I have a SpringBoot application that connect to Neo4j at startup using the code below

We deploy a pod for Neo4j and one for this application.

When the service port of Neo4j are UP, our application pod starts, but we get those errors when the pod start too soon.

@Configuration
@EnableNeo4jRepositories(basePackages = "com.repository")
@EnableTransactionManagement
public class Neo4jConfig {
    private final Environment env;

    @Autowired
    public Neo4jConfig(Environment env) {
        this.env = env;
    }

    @Bean
    public SessionFactory sessionFactory() {
        return new SessionFactory(configuration(), "com.model");
    }

    @Bean
    public org.neo4j.ogm.config.Configuration configuration() {
        return new Builder()
                .uri(env.getProperty("db.uri"))
                .credentials(env.getProperty("db.username"), env.getProperty("db.password"))
                .autoIndex("update")
                .build();
    }

    @Bean
    public Neo4jTransactionManager transactionManager() {
        return new Neo4jTransactionManager(sessionFactory());
    }
}

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.2.4.RELEASE)

2020-10-15 14:26:32.319  INFO 1 --- [           main] com.comact.App                           : Starting App v1.0.0-SNAPSHOT on twin-api-service-5b74974d84-pngvs with PID 1 (/app/app.jar started by root in /app)
2020-10-15 14:26:32.323  INFO 1 --- [           main] com.comact.App                           : The following profiles are active: kubernetes,production
2020-10-15 14:26:33.713  INFO 1 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Neo4j repositories in DEFAULT mode.
2020-10-15 14:26:33.797  INFO 1 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 71ms. Found 2 Neo4j repository interfaces.
2020-10-15 14:26:34.843  INFO 1 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2020-10-15 14:26:35.255  INFO 1 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2020-10-15 14:26:35.271  INFO 1 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2020-10-15 14:26:35.272  INFO 1 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.30]
2020-10-15 14:26:35.363  INFO 1 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2020-10-15 14:26:35.363  INFO 1 --- [           main] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 2952 ms
2020-10-15 14:26:36.310  INFO 1 --- [           main] org.neo4j.ogm.metadata.DomainInfo        : Starting Post-processing phase
2020-10-15 14:26:36.310  INFO 1 --- [           main] org.neo4j.ogm.metadata.DomainInfo        : Building byLabel lookup maps
2020-10-15 14:26:36.310  INFO 1 --- [           main] org.neo4j.ogm.metadata.DomainInfo        : Building interface class map for 19 classes
2020-10-15 14:26:36.333  INFO 1 --- [           main] org.neo4j.ogm.metadata.DomainInfo        : Post-processing complete
2020-10-15 14:26:36.526  INFO 1 --- [           main] Driver                                   : Direct driver instance 550572371 created for server address twin-neo4j:7687
2020-10-15 14:26:36.671 ERROR 1 --- [           main] o.s.b.web.embedded.tomcat.TomcatStarter  : Error starting Tomcat context. Exception: org.springframework.beans.factory.BeanCreationException. Message: Error creating bean with name 'servletEndpointRegistrar' defined in class path resource [org/springframework/boot/actuate/autoconfigure/endpoint/web/ServletEndpointManagementContextConfiguration$WebMvcServletEndpointManagementContextConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.endpoint.web.ServletEndpointRegistrar]: Factory method 'servletEndpointRegistrar' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'healthEndpoint' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Unsatisfied dependency expressed through method 'healthEndpoint' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'healthContributorRegistry' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthContributorRegistry]: Factory method 'healthContributorRegistry' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
2020-10-15 14:26:36.705  INFO 1 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2020-10-15 14:26:36.713  WARN 1 --- [           main] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [Neo4jDriverIO-2-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.8/sun.nio.ch.EPoll.wait(Native Method)
 java.base@11.0.8/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
 java.base@11.0.8/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
 java.base@11.0.8/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
 org.neo4j.driver.internal.shaded.io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
 org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:824)
 org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:457)
 org.neo4j.driver.internal.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044)
 org.neo4j.driver.internal.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
 org.neo4j.driver.internal.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 java.base@11.0.8/java.lang.Thread.run(Thread.java:834)
2020-10-15 14:26:36.713  WARN 1 --- [           main] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [Neo4jDriverIO-2-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.8/sun.nio.ch.EPoll.wait(Native Method)
 java.base@11.0.8/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
 java.base@11.0.8/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
 java.base@11.0.8/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
 org.neo4j.driver.internal.shaded.io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
 org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:824)
 org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:457)
 org.neo4j.driver.internal.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044)
 org.neo4j.driver.internal.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
 org.neo4j.driver.internal.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 java.base@11.0.8/java.lang.Thread.run(Thread.java:834)
2020-10-15 14:26:36.716  WARN 1 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
2020-10-15 14:26:36.735  INFO 1 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-10-15 14:26:36.744 ERROR 1 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:156) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) ~[spring-context-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at com.comact.App.main(App.java:9) ~[classes!/:1.0.0-SNAPSHOT]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[app.jar:1.0.0-SNAPSHOT]
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[app.jar:1.0.0-SNAPSHOT]
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) ~[app.jar:1.0.0-SNAPSHOT]
    at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) ~[app.jar:1.0.0-SNAPSHOT]
Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:126) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    ... 16 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'servletEndpointRegistrar' defined in class path resource [org/springframework/boot/actuate/autoconfigure/endpoint/web/ServletEndpointManagementContextConfiguration$WebMvcServletEndpointManagementContextConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.endpoint.web.ServletEndpointRegistrar]: Factory method 'servletEndpointRegistrar' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'healthEndpoint' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Unsatisfied dependency expressed through method 'healthEndpoint' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'healthContributorRegistry' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthContributorRegistry]: Factory method 'healthContributorRegistry' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:656) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:636) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.boot.web.servlet.ServletContextInitializerBeans.getOrderedBeansOfType(ServletContextInitializerBeans.java:211) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.ServletContextInitializerBeans.getOrderedBeansOfType(ServletContextInitializerBeans.java:202) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.ServletContextInitializerBeans.addServletContextInitializerBeans(ServletContextInitializerBeans.java:96) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.ServletContextInitializerBeans.<init>(ServletContextInitializerBeans.java:85) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.getServletContextInitializerBeans(ServletWebServerApplicationContext.java:253) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.selfInitialize(ServletWebServerApplicationContext.java:227) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.web.embedded.tomcat.TomcatStarter.onStartup(TomcatStarter.java:53) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5135) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na]
    at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140) ~[na:na]
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na]
    at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140) ~[na:na]
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.apache.catalina.startup.Tomcat.start(Tomcat.java:459) ~[tomcat-embed-core-9.0.30.jar!/:9.0.30]
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) ~[spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    ... 21 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.endpoint.web.ServletEndpointRegistrar]: Factory method 'servletEndpointRegistrar' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'healthEndpoint' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Unsatisfied dependency expressed through method 'healthEndpoint' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'healthContributorRegistry' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthContributorRegistry]: Factory method 'healthContributorRegistry' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:651) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 61 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'healthEndpoint' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Unsatisfied dependency expressed through method 'healthEndpoint' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'healthContributorRegistry' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthContributorRegistry]: Factory method 'healthContributorRegistry' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:539) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1108) ~[spring-context-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.boot.actuate.endpoint.annotation.EndpointDiscoverer.createEndpointBean(EndpointDiscoverer.java:143) ~[spring-boot-actuator-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.actuate.endpoint.annotation.EndpointDiscoverer.createEndpointBeans(EndpointDiscoverer.java:133) ~[spring-boot-actuator-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.actuate.endpoint.annotation.EndpointDiscoverer.discoverEndpoints(EndpointDiscoverer.java:122) ~[spring-boot-actuator-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.actuate.endpoint.annotation.EndpointDiscoverer.getEndpoints(EndpointDiscoverer.java:116) ~[spring-boot-actuator-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.actuate.autoconfigure.endpoint.web.ServletEndpointManagementContextConfiguration$WebMvcServletEndpointManagementContextConfiguration.servletEndpointRegistrar(ServletEndpointManagementContextConfiguration.java:65) ~[spring-boot-actuator-autoconfigure-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 62 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'healthContributorRegistry' defined in class path resource [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthContributorRegistry]: Factory method 'healthContributorRegistry' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:656) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:636) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:885) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:789) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 82 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthContributorRegistry]: Factory method 'healthContributorRegistry' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:651) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 96 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'neo4jHealthContributor' defined in class path resource [org/springframework/boot/actuate/autoconfigure/neo4j/Neo4jHealthContributorAutoConfiguration.class]: Unsatisfied dependency expressed through method 'neo4jHealthContributor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:539) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:617) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:605) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1242) ~[spring-context-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.boot.actuate.autoconfigure.health.HealthEndpointConfiguration.healthContributorRegistry(HealthEndpointConfiguration.java:78) ~[spring-boot-actuator-autoconfigure-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 97 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [com/comact/twin/config/Neo4jConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:656) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:484) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1503) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1467) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1386) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1245) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:885) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:789) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 115 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:651) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 132 common frames omitted
Caused by: org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.initializeDriver(BoltDriver.java:168) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.checkDriverInitialized(BoltDriver.java:146) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.lambda$null$0(BoltDriver.java:132) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.transaction.DefaultTransactionManager.openTransaction(DefaultTransactionManager.java:75) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.beginTransaction(Neo4jSession.java:536) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.doInTransaction(Neo4jSession.java:586) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.doInTransaction(Neo4jSession.java:564) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.delegates.ExecuteQueriesDelegate.query(ExecuteQueriesDelegate.java:122) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.query(Neo4jSession.java:435) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.query(Neo4jSession.java:430) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.autoindex.AutoIndexManager.run(AutoIndexManager.java:86) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.SessionFactory.runAutoIndexManager(SessionFactory.java:132) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.SessionFactory.<init>(SessionFactory.java:92) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at com.comact.twin.config.Neo4jConfig.sessionFactory(Neo4jConfig.java:26) ~[classes!/:1.0.0-SNAPSHOT]
    at com.comact.twin.config.Neo4jConfig$$EnhancerBySpringCGLIB$$b6705f62.CGLIB$sessionFactory$1(<generated>) ~[classes!/:1.0.0-SNAPSHOT]
    at com.comact.twin.config.Neo4jConfig$$EnhancerBySpringCGLIB$$b6705f62$$FastClassBySpringCGLIB$$1ef77679.invoke(<generated>) ~[classes!/:1.0.0-SNAPSHOT]
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at com.comact.twin.config.Neo4jConfig$$EnhancerBySpringCGLIB$$b6705f62.sessionFactory(<generated>) ~[classes!/:1.0.0-SNAPSHOT]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 133 common frames omitted
Caused by: org.neo4j.driver.exceptions.ServiceUnavailableException: Unable to connect to twin-neo4j:7687, ensure the database is running and that there is a working network connection to it.
    at org.neo4j.driver.internal.util.Futures.blockingGet(Futures.java:143) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.util.Futures.blockingGet(Futures.java:113) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.InternalDriver.verifyConnectivity(InternalDriver.java:159) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.initializeDriver(BoltDriver.java:165) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    ... 156 common frames omitted
    Suppressed: org.neo4j.driver.internal.util.ErrorUtil$InternalExceptionCause: null
        at org.neo4j.driver.internal.async.connection.ChannelConnectedListener.databaseUnavailableError(ChannelConnectedListener.java:76) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.async.connection.ChannelConnectedListener.operationComplete(ChannelConnectedListener.java:70) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.async.connection.ChannelConnectedListener.operationComplete(ChannelConnectedListener.java:37) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:688) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
Caused by: org.neo4j.driver.internal.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: twin-neo4j/10.104.227.154:7687
Caused by: java.net.ConnectException: Connection refused
    at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:na]
    at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[na:na]
    at org.neo4j.driver.internal.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:327) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:688) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]


Comment From: wilkinsona

Thanks for the report. This looks like another variant of https://github.com/spring-projects/spring-boot/issues/11325. Out of interest, how does your application behave without the Actuator when Neo4j is unavailable?

Comment From: survivant

good question. but the problem is that I need the Actuator to get the Health of the pod for the readiness or liveness probes.

Comment From: wilkinsona

I wasn't proposing it as a long- or even short-term solution, but I am interested in knowing how it behaves. I would expect it to fail to start due to the creating of the org.neo4j.ogm.session.SessionFactory bean requiring Neo4j to be available but knowing whether or not that's the case for your specific setup would be a useful data point.

Comment From: survivant

ok, I will do the tests for you. Just tell me which config/annotation to modify and I'll do the tests

Comment From: survivant

I put that in comment and redeploy everything in the cluster

<!--
<dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
-->

I still got a error (but a new one.. still with Neo4j)

Caused by: org.neo4j.ogm.exception.ConnectionException: Could not create driver instance
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.initializeDriver(BoltDriver.java:168) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.checkDriverInitialized(BoltDriver.java:146) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.lambda$null$0(BoltDriver.java:132) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.transaction.DefaultTransactionManager.openTransaction(DefaultTransactionManager.java:75) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.beginTransaction(Neo4jSession.java:536) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.doInTransaction(Neo4jSession.java:586) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.doInTransaction(Neo4jSession.java:564) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.delegates.ExecuteQueriesDelegate.query(ExecuteQueriesDelegate.java:122) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.query(Neo4jSession.java:435) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.Neo4jSession.query(Neo4jSession.java:430) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.autoindex.AutoIndexManager.run(AutoIndexManager.java:86) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.SessionFactory.runAutoIndexManager(SessionFactory.java:132) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at org.neo4j.ogm.session.SessionFactory.<init>(SessionFactory.java:92) ~[neo4j-ogm-core-3.2.6.jar!/:3.2.6]
    at com.comact.twin.config.Neo4jConfig.sessionFactory(Neo4jConfig.java:26) ~[classes!/:1.0.0-SNAPSHOT]
    at com.comact.twin.config.Neo4jConfig$$EnhancerBySpringCGLIB$$61e7335e.CGLIB$sessionFactory$0(<generated>) ~[classes!/:1.0.0-SNAPSHOT]
    at com.comact.twin.config.Neo4jConfig$$EnhancerBySpringCGLIB$$61e7335e$$FastClassBySpringCGLIB$$8aa480dc.invoke(<generated>) ~[classes!/:1.0.0-SNAPSHOT]
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    at com.comact.twin.config.Neo4jConfig$$EnhancerBySpringCGLIB$$61e7335e.sessionFactory(<generated>) ~[classes!/:1.0.0-SNAPSHOT]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.3.RELEASE.jar!/:5.2.3.RELEASE]
    ... 78 common frames omitted
Caused by: org.neo4j.driver.exceptions.ServiceUnavailableException: Unable to connect to twin-neo4j:7687, ensure the database is running and that there is a working network connection to it.
    at org.neo4j.driver.internal.util.Futures.blockingGet(Futures.java:143) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.util.Futures.blockingGet(Futures.java:113) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.InternalDriver.verifyConnectivity(InternalDriver.java:159) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.ogm.drivers.bolt.driver.BoltDriver.initializeDriver(BoltDriver.java:165) ~[neo4j-ogm-bolt-driver-3.2.6.jar!/:3.2.6]
    ... 101 common frames omitted
    Suppressed: org.neo4j.driver.internal.util.ErrorUtil$InternalExceptionCause: null
        at org.neo4j.driver.internal.async.connection.ChannelConnectedListener.databaseUnavailableError(ChannelConnectedListener.java:76) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.async.connection.ChannelConnectedListener.operationComplete(ChannelConnectedListener.java:70) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.async.connection.ChannelConnectedListener.operationComplete(ChannelConnectedListener.java:37) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:688) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
        at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
Caused by: org.neo4j.driver.internal.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: twin-neo4j/10.101.112.203:7687
Caused by: java.net.ConnectException: Connection refused
    at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:na]
    at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:779) ~[na:na]
    at org.neo4j.driver.internal.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:327) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:688) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at org.neo4j.driver.internal.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[neo4j-java-driver-4.0.0.jar!/:4.0.0-d03d93ede8ad65657eeb90ed890757203ecfaa7a]
    at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]

Comment From: wilkinsona

Thanks very much, @survivant. That confirms that this is indeed a variant of #11325. I'll update it accordingly. Perhaps @michael-simons may have a suggestion for you to make the session factory tolerant of Neo4j being down.

Comment From: michael-simons

A couple of things here…

  • You are basically turning of Spring Boots auto configuration. Everything you have there can be done via properties.

Alas, that is not the issue of your problem

As you are not setting to verify the connection on OGM driver creation, that is also not the problem: https://github.com/neo4j/neo4j-ogm/blob/master/bolt-driver/src/main/java/org/neo4j/ogm/drivers/bolt/driver/BoltDriver.java#L112

^^ that would make your application fail.

What is however a problem - without actuator - is that you are running OGM in auto index update mode: Meaning it should update your database indexes. For that it needs a database connection.

Regarding actuator: As Boot 2.3 uses OGM for health checking, the actuator will trigger the connection and on failure, fail the whole thing: https://github.com/spring-projects/spring-boot/blob/2.3.x/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/neo4j/Neo4jHealthIndicator.java

We could try to unwrap the underlying Bolt driver from the session via https://github.com/neo4j/neo4j-ogm/blob/master/core/src/main/java/org/neo4j/ogm/session/SessionFactory.java#L247 and if it gives us the bolt driver, check health on that. If Bolt protocol, we must use the session factory for embedded or http.

This will be better in Boot 2.4 (Compare the health indicator 2.3 to master).