[Spring Boot Admin] WAS 구동 시 발생하는 'InstanceAlreadyExistsException: com.zaxxer.hikari:name=dataSource,type=HikariDataSource' 에러

날짜:




Spring Boot 2.x 사용



문제

WAS 구동 시 아래와 같은 에러메시지가 발생하며 웹페이지가 뜨지 않았다.


2020-04-01 18:53:09.673  INFO 19792 --- [com-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 1321 ms
2020-04-01 18:53:10.219  INFO 19792 --- [com-startStop-1] o.s.b.a.e.web.ServletEndpointRegistrar   : Registered '/actuator/jolokia' to jolokia-actuator-endpoint
2020-04-01 18:53:10.854  INFO 19792 --- [com-startStop-1] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'
2020-04-01 18:53:10.930  INFO 19792 --- [com-startStop-1] o.s.b.a.w.s.WelcomePageHandlerMapping    : Adding welcome page template: index
2020-04-01 18:53:11.372  INFO 19792 --- [com-startStop-1] o.s.s.c.ThreadPoolTaskScheduler          : Initializing ExecutorService
2020-04-01 18:53:11.489  INFO 19792 --- [com-startStop-1] o.s.b.a.e.web.EndpointLinksResolver      : Exposing 16 endpoint(s) beneath base path '/actuator'
2020-04-01 18:53:11.544  INFO 19792 --- [com-startStop-1] ConditionEvaluationReportLoggingListener :

 Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-04-01 18:53:11.549 ERROR 19792 --- [com-startStop-1] o.s.boot.SpringApplication               : Application run failed

 org.springframework.jmx.export.UnableToRegisterMBeanException: Unable to register MBean [HikariDataSource (null)] with key 'dataSource'; nested exception is javax.management.InstanceAlreadyExistsException: com.zaxxer.hikari:name=dataSource,type=HikariDataSource
        at org.springframework.jmx.export.MBeanExporter.registerBeanNameOrInstance(MBeanExporter.java:626) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.jmx.export.MBeanExporter.lambda$registerBeans$2(MBeanExporter.java:552) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at java.util.HashMap.forEach(HashMap.java:1289) ~[na:1.8.0_241]
        at org.springframework.jmx.export.MBeanExporter.registerBeans(MBeanExporter.java:552) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.jmx.export.MBeanExporter.afterSingletonsInstantiated(MBeanExporter.java:435) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:864) ~[spring-beans-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) ~[spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:151) [spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:131) [spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:91) [spring-boot-2.1.13.RELEASE.jar:2.1.13.RELEASE]
        at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:172) [spring-web-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5154) [catalina.jar:8.5.51]
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:8.5.51]
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:743) [catalina.jar:8.5.51]
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719) [catalina.jar:8.5.51]
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) [catalina.jar:8.5.51]
        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:970) [catalina.jar:8.5.51]
        at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1841) [catalina.jar:8.5.51]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_241]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_241]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_241]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_241]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_241]
Caused by: javax.management.InstanceAlreadyExistsException: com.zaxxer.hikari:name=dataSource,type=HikariDataSource
        at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) ~[na:1.8.0_241]
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898) ~[na:1.8.0_241]
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966) ~[na:1.8.0_241]
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900) ~[na:1.8.0_241]
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324) ~[na:1.8.0_241]
        at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) ~[na:1.8.0_241]
        at org.springframework.jmx.support.MBeanRegistrationSupport.doRegister(MBeanRegistrationSupport.java:138) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.jmx.export.MBeanExporter.registerBeanInstance(MBeanExporter.java:672) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        at org.springframework.jmx.export.MBeanExporter.registerBeanNameOrInstance(MBeanExporter.java:616) ~[spring-context-5.1.14.RELEASE.jar:5.1.14.RELEASE]
        ... 27 common frames omitted

 2020-04-01 18:53:11.551  WARN 19792 --- [com-startStop-1] o.s.b.f.support.DisposableBeanAdapter    : Invocation of destroy method failed on bean with name 'tomcatMetricsBinder': java.lang.NullPointerException
2020-04-01 18:53:11.552  INFO 19792 --- [com-startStop-1] o.s.s.c.ThreadPoolTaskScheduler          : Shutting down ExecutorService
2020-04-01 18:53:11.553  INFO 19792 --- [com-startStop-1] o.s.s.concurrent.ThreadPoolTaskExecutor  : Shutting down ExecutorService 'applicationTaskExecutor'
01-Apr-2020 18:53:11.555 SEVERE [video.aquapick-event.com-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:
        org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[video.aquapick-event.com].StandardContext[]]
                at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
                at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
                at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:743)
                at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719)
                at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
                at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:970)
                at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1841)
                at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
                at java.util.concurrent.FutureTask.run(FutureTask.java:266)
                at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
                at java.lang.Thread.run(Thread.java:748)
        Caused by: org.springframework.jmx.export.UnableToRegisterMBeanException: Unable to register MBean [HikariDataSource (null)] with key 'dataSource'; nested exception is javax.management.InstanceAlreadyExistsException: com.zaxxer.hikari:name=dataSource,type=HikariDataSource
                at org.springframework.jmx.export.MBeanExporter.registerBeanNameOrInstance(MBeanExporter.java:626)
                at org.springframework.jmx.export.MBeanExporter.lambda$registerBeans$2(MBeanExporter.java:552)
                at java.util.HashMap.forEach(HashMap.java:1289)
                at org.springframework.jmx.export.MBeanExporter.registerBeans(MBeanExporter.java:552)
                at org.springframework.jmx.export.MBeanExporter.afterSingletonsInstantiated(MBeanExporter.java:435)
                at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:864)
                at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)
                at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
                at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
                at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744)
                at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391)
                at org.springframework.boot.SpringApplication.run(SpringApplication.java:312)
                at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:151)
                at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:131)
                at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:91)
                at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:172)
                at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5154)
                at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
                ... 10 more
        Caused by: javax.management.InstanceAlreadyExistsException: com.zaxxer.hikari:name=dataSource,type=HikariDataSource
                at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
                at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
                at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
                at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
                at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
                at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
                at org.springframework.jmx.support.MBeanRegistrationSupport.doRegister(MBeanRegistrationSupport.java:138)
                at org.springframework.jmx.export.MBeanExporter.registerBeanInstance(MBeanExporter.java:672)
                at org.springframework.jmx.export.MBeanExporter.registerBeanNameOrInstance(MBeanExporter.java:616)
                ... 27 more
01-Apr-2020 18:53:11.562 SEVERE [video.aquapick-event.com-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Error deploying web application archive [/home/1004lucifer/apps/apache-tomcat-8.5.51/webapps/urban/event/ROOT.war]
        java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[video.aquapick-event.com].StandardContext[]]
                at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:747)
                at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719)
                at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
                at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:970)
                at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1841)
                at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
                at java.util.concurrent.FutureTask.run(FutureTask.java:266)
                at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
                at java.lang.Thread.run(Thread.java:748)
01-Apr-2020 18:53:11.563 INFO [video.aquapick-event.com-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/home/1004lucifer/apps/apache-tomcat-8.5.51/webapps/urban/event/ROOT.war] has finished in [5,277] ms
01-Apr-2020 18:53:11.564 WARNING [main] org.apache.catalina.mapper.MapperListener.findDefaultHost Unknown default host [localhost] for service [StandardService[Catalina]]. Tomcat will not be able process HTTP/1.0 requests that do not specify a host name.
01-Apr-2020 18:53:11.569 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
01-Apr-2020 18:53:11.585 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["https-jsse-nio-8443"]
01-Apr-2020 18:53:11.588 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 16541 ms






원인

스택오버플로우 확인 시 jmx 충돌로 인해 발생하는 문제로 보여졌다.


그러고보니 문제가 발생한 시점이..

1개의 서버에 아래와 같이 두개의 애플리케이션이 올라가 있는 상태에서..
 - Spring Boot Admin (Server)
 - Spring Boot Admin (Client)

신규 Spring Boot Admin (Client) 를 추가하고 바로 발생했다.



1004lucifer


해결방법

JMX 이름을 다르게해서 다시 배포를 하니 정상적으로 동작되는 것을 확인 할 수 있었다.
(Spring Boot 2.1.13 기준)


spring:
  jmx:
    unique-names: true
management:
  endpoints:
    jmx:
      domain: co.kr.1004lucifer





참고:
 - https://stackoverflow.com/questions/51798003/javax-management-instancealreadyexistsexception-com-zaxxer-hikariname-datasour/51798043


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