java.lang.IllegalStateException: Logback configuration error detected:
 ERROR in ch.qos.logback.core.joran.spi.Interpreter@15:66 - RuntimeException in Action for tag [logger] java.util.ConcurrentModificationException
         at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:151)
         at org.springframework.boot.logging.logback.LogbackLoggingSystem.reinitialize(LogbackLoggingSystem.java:195)
         at org.springframework.boot.logging.AbstractLoggingSystem.initializeWithConventions(AbstractLoggingSystem.java:65)
         at org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:50)
         at org.springframework.boot.logging.logback.LogbackLoggingSystem.initialize(LogbackLoggingSystem.java:106)
         at org.springframework.boot.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:277)
         at org.springframework.boot.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:255)
         at org.springframework.boot.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:224)
         at org.springframework.boot.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:200)
         at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:166)
         at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:138)
         at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:121)
         at org.springframework.boot.context.event.EventPublishingRunListener.publishEvent(EventPublishingRunListener.java:111)
         at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:65)
         at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
         at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:330)
         at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
         at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)
         at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:140)
         at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:84)
         at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:1)
         at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:166)
         at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:138)
         at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:121)
         at org.springframework.boot.context.event.EventPublishingRunListener.publishEvent(EventPublishingRunListener.java:111)
         at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:65)
         at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
         at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:330)
         at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
         at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)
         at org.springframework.cloud.config.server.environment.JGitEnvironmentRepositoryIntegrationTests.findOne_NestedSearchPath_FindOneSuccess(JGitEnvironmentRepositoryIntegrationTests.java:234)
         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:497)
         at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
         at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
         at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
         at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
         at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)