当前使用版本(必填,否则不予处理)

从3.4.2 升级到 3.4.3，应用在本机启动是正常的，但是在docker中启动，网络是 host 模式就会出现问题

报错信息

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is java.lang.ExceptionInInitializerError at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1334) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:564) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1380) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1300) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1501) ... 53 common frames omitted Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is java.lang.ExceptionInInitializerError at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ... 66 common frames omitted Caused by: java.lang.ExceptionInInitializerError: null at com.baomidou.mybatisplus.core.MybatisSqlSessionFactoryBuilder.build(MybatisSqlSessionFactoryBuilder.java:96) at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.buildSqlSessionFactory(MybatisSqlSessionFactoryBean.java:606) at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.afterPropertiesSet(MybatisSqlSessionFactoryBean.java:431) at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.getObject(MybatisSqlSessionFactoryBean.java:628) at com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration.sqlSessionFactory(MybatisPlusAutoConfiguration.java:219) at com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration$$EnhancerBySpringCGLIB$$3d8348d4.CGLIB$sqlSessionFactory$0() at com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration$$EnhancerBySpringCGLIB$$3d8348d4$$FastClassBySpringCGLIB$$179bb464.invoke() at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331) at com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration$$EnhancerBySpringCGLIB$$3d8348d4.sqlSessionFactory() at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ... 67 common frames omitted Caused by: com.baomidou.mybatisplus.core.exceptions.MybatisPlusException: java.net.UnknownHostException: k8s-node53: k8s-node53: Temporary failure in name resolution at com.baomidou.mybatisplus.core.toolkit.Sequence.getLocalHost(Sequence.java:100) at com.baomidou.mybatisplus.core.toolkit.Sequence.(Sequence.java:85) at com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator.(DefaultIdentifierGenerator.java:39) at com.baomidou.mybatisplus.core.toolkit.IdWorker.(IdWorker.java:38) ... 82 common frames omitted Caused by: java.net.UnknownHostException: k8s-node53: k8s-node53: Temporary failure in name resolution at java.net.InetAddress.getLocalHost(InetAddress.java:1506) at com.baomidou.mybatisplus.core.toolkit.Sequence.getLocalHost(Sequence.java:98) ... 85 common frames omitted Caused by: java.net.UnknownHostException: k8s-node53: Temporary failure in name resolution at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929) at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324) at java.net.InetAddress.getLocalHost(InetAddress.java:1501) ... 86 common frames omitted

Comment From: 986510453

@ldh7 MyBatis-Plus Temporary failure in name resolution

host模式是无法访问k8s内部网络的，报错很明显了

Comment From: sunshixiong789

我也遇到了

Comment From: sunshixiong789

报错是 java.net.UnknownHostException: bogon: bogon: Name or service not known 这个

Comment From: wxip

extra_hosts添加一下hostname的解析就好了 InetAddress.getLocalHost()的问题 MyBatis-Plus Temporary failure in name resolution 这块的问题

Comment From: qmdx

请关注 3.4.3.2 发布 https://gitee.com/baomidou/mybatis-plus/commit/f63065270cf62b87104cf9d84a2eacbde3a7da61