Monitoring JavaMelody sur /demo

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Requête	Temps moyen (ms)	Temps max (ms)	Ecart-type	Temps cpu moyen (ms)	% d'erreur système
WARN [net.bull.javamelody] database report failed	-1	0	0		100,00

Stack-trace
java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
      at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:142)
      at org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:753)
      at jdk.internal.reflect.GeneratedMethodAccessor64.invoke(Unknown Source)
      at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.base/java.lang.reflect.Method.invoke(Method.java:566)
      at net.bull.javamelody.JdbcWrapper$3.invoke(JdbcWrapper.java:797)
      at net.bull.javamelody.JdbcWrapper$DelegatingInvocationHandler.invoke(JdbcWrapper.java:300)
      at com.sun.proxy.$Proxy5.getConnection(Unknown Source)
      at net.bull.javamelody.internal.model.DatabaseInformations.getConnection(DatabaseInformations.java:336)
      at net.bull.javamelody.internal.model.DatabaseInformations.<init>(DatabaseInformations.java:204)
      at net.bull.javamelody.internal.web.HtmlController.doDatabase(HtmlController.java:266)
      at jdk.internal.reflect.GeneratedMethodAccessor3338.invoke(Unknown Source)
      at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.base/java.lang.reflect.Method.invoke(Method.java:566)
      at net.bull.javamelody.internal.web.RequestToMethodMapper.invokeAndReturn(RequestToMethodMapper.java:105)
      at net.bull.javamelody.internal.web.RequestToMethodMapper.invoke(RequestToMethodMapper.java:91)
      at net.bull.javamelody.internal.web.HtmlController.doHtml(HtmlController.java:110)
      at net.bull.javamelody.internal.web.MonitoringController.doCompressedHtml(MonitoringController.java:280)
      at net.bull.javamelody.internal.web.MonitoringController.doReportCore(MonitoringController.java:230)
      at net.bull.javamelody.internal.web.MonitoringController.doReport(MonitoringController.java:209)
      at net.bull.javamelody.internal.web.MonitoringController.doActionIfNeededAndReport(MonitoringController.java:163)
      at net.bull.javamelody.MonitoringFilter.doMonitoring(MonitoringFilter.java:408)
      at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at fr.spi4j.filter.HttpSessionFilter.doFilter(HttpSessionFilter.java:69)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:199)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at ForbiddenActionsFilter.doFilter(ForbiddenActionsFilter.java:24)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at fr.spi4j.lib.security.RemoteUserFilter.doFilter(RemoteUserFilter.java:66)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
      at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
      at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
      at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
      at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
      at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
      at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
      at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
      at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
      at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
      at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
      at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1594)
      at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
      at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
      at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
      at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
      at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:443)
      at org.apache.tomcat.dbcp.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:353)
      at org.apache.tomcat.dbcp.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:134)
      ... 53 more