As long as there is a config folder in the root directory of the project, it will start to report an error
12:30:51.961 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
java.lang.IllegalStateException: No subdirectories found for mandatory directory location 'file:./config/*/'.
at org.springframework.util.Assert.state(Assert.java:76)
at org.springframework.boot.context.config.StandardConfigDataLocationResolver.resolvePatternEmptyDirectories(StandardConfigDataLocationResolver.java:268)
at org.springframework.boot.context.config.StandardConfigDataLocationResolver.resolveEmptyDirectories(StandardConfigDataLocationResolver.java:257)
at org.springframework.boot.context.config.StandardConfigDataLocationResolver.resolveEmptyDirectories(StandardConfigDataLocationResolver.java:248)
at org.springframework.boot.context.config.StandardConfigDataLocationResolver.resolve(StandardConfigDataLocationResolver.java:239)
at org.springframework.boot.context.config.StandardConfigDataLocationResolver.resolve(StandardConfigDataLocationResolver.java:117)
at org.springframework.boot.context.config.ConfigDataLocationResolvers.lambda$resolve$1(ConfigDataLocationResolvers.java:115)
at org.springframework.boot.context.config.ConfigDataLocationResolvers.resolve(ConfigDataLocationResolvers.java:126)
at org.springframework.boot.context.config.ConfigDataLocationResolvers.resolve(ConfigDataLocationResolvers.java:115)
at org.springframework.boot.context.config.ConfigDataLocationResolvers.resolve(ConfigDataLocationResolvers.java:107)
at org.springframework.boot.context.config.ConfigDataImporter.resolve(ConfigDataImporter.java:105)
at org.springframework.boot.context.config.ConfigDataImporter.resolve(ConfigDataImporter.java:97)
at org.springframework.boot.context.config.ConfigDataImporter.resolveAndLoad(ConfigDataImporter.java:85)
at org.springframework.boot.context.config.ConfigDataEnvironmentContributors.withProcessedImports(ConfigDataEnvironmentContributors.java:121)
at org.springframework.boot.context.config.ConfigDataEnvironment.processInitial(ConfigDataEnvironment.java:243)
at org.springframework.boot.context.config.ConfigDataEnvironment.processAndApply(ConfigDataEnvironment.java:230)
at org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor.postProcessEnvironment(ConfigDataEnvironmentPostProcessor.java:102)
at org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor.postProcessEnvironment(ConfigDataEnvironmentPostProcessor.java:94)
at org.springframework.boot.env.EnvironmentPostProcessorApplicationListener.onApplicationEnvironmentPreparedEvent(EnvironmentPostProcessorApplicationListener.java:100)
at org.springframework.boot.env.EnvironmentPostProcessorApplicationListener.onApplicationEvent(EnvironmentPostProcessorApplicationListener.java:86)
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131)
at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:82)
at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:63)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:117)
at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:111)
at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:62)
at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:375)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:333)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1329)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1318)
at com.example.demo21.Demo21Application.main(Demo21Application.java:10)
Disconnected from the target VM, address: '127.0.0.1:57162', transport: 'socket'
Comment From: mamachanko
Running into the same issue.
This fails with the mentioned java.lang.IllegalStateException: No subdirectories found for mandatory directory location 'file:./config/*/'.:
$CWD/config/application.yaml
This works as expected:
$CWD/config/anything/application.yaml
Comment From: anoopgarlapati
Please see https://github.com/spring-projects/spring-boot/issues/26627. The issue is reported there and there are couple of workarounds provided by Spring team to unblock (Refer comment for workarounds).
Comment From: snicoll
Thanks @anoopgarlapati.
Duplicate of #26627
Comment From: mengxianglu
I still don't know how to solve it？
Comment From: snicoll
@mengxianglu this issue is closed as a duplicate as I've indicated so please follow there for workarounds. The issue has been fixed with 2.4.7 and 2.5.1 that haven't been released yet.