[JAVA] Connection leck 관련 Apparent connection leak detected 경고 관련 내용

⚡ 내용 정리

아래의 경고가 발생하는 원인은 leakDetectionThreshold 옵션으로 인해서 아래의 메모리 이슈가 발생하는것으로 파악 되며 옵션을 끄면 나오지 않는다. 

 

default 시간이 2s 인데 2s 가 넘어가게 되면 로그가 찍히게 되며, application.yml 설정상으로 시간을 늘릴수도 있다.

WARN  (2023-12-29 17:26:17,223) : com.zaxxer.hikari.pool.ProxyLeakTask - Connection leak detection triggered for ConnectionID:10853 ClientConnectionId: 5cc00177-8fe4-4504-8b9e-4fbb024ef851 on thread http-nio-8080-exec-58, stack trace follows
java.lang.Exception: Apparent connection leak detected
	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:100) ~[HikariCP-4.0.3.jar:?]
	at net.sf.log4jdbc.Log4jdbcProxyDataSource.getConnection(Log4jdbcProxyDataSource.java:89) ~[log4jdbc-remix-0.2.7.jar:?]
	at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111) ~[spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ~[spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
	at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80) ~[mybatis-spring-1.1.1.jar:1.1.1]
	at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:66) ~[mybatis-spring-1.1.1.jar:1.1.1]
	at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:279) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:69) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:56) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:141) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:105) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:101) ~[mybatis-3.1.1.jar:3.1.1]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:95) ~[mybatis-3.1.1.jar:3.1.1]
	at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_192]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_192]
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:355) ~[mybatis-spring-1.1.1.jar:1.1.1]
	at com.sun.proxy.$Proxy33.selectList(Unknown Source) ~[?:?]
	at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:195) ~[mybatis-spring-1.1.1.jar:1.1.1]
	at com.izex.work.time.dao.BaseDaoImpl.baseSelectList(BaseDaoImpl.java:56) ~[classes/:?]
	at com.izex.work.time.service.BaseServiceImpl.baseSelectList(BaseServiceImpl.java:37) ~[classes/:?]
	at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_192]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_192]
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) ~[spring-aop-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:201) ~[spring-aop-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at com.sun.proxy.$Proxy72.baseSelectList(Unknown Source) ~[?:?]
	at com.izex.work.time.controller.BaseController.baseSelect(BaseController.java:614) ~[classes/:?]
	at sun.reflect.GeneratedMethodAccessor64.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_192]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_192]
	at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) ~[spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) ~[spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) ~[servlet-api.jar:?]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) ~[spring-webmvc-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[servlet-api.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:8.5.43]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-websocket.jar:8.5.43]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:8.5.43]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) ~[spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.0.6.RELEASE.jar:4.0.6.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:8.5.43]
	at com.izex.work.time.security.IEFilter.doFilter(IEFilter.java:34) ~[classes/:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:8.5.43]
	at com.izex.work.time.security.CrossScriptingFilter.doFilter(CrossScriptingFilter.java:36) ~[classes/:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[catalina.jar:8.5.43]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) ~[catalina.jar:8.5.43]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) ~[catalina.jar:8.5.43]
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660) ~[catalina.jar:8.5.43]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) ~[catalina.jar:8.5.43]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[catalina.jar:8.5.43]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798) ~[tomcat-coyote.jar:8.5.43]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-coyote.jar:8.5.43]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808) ~[tomcat-coyote.jar:8.5.43]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) ~[tomcat-coyote.jar:8.5.43]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-coyote.jar:8.5.43]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_192]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_192]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-util.jar:8.5.43]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_192]