confluence 在使用的過程中發現不能編輯的情況，查看后臺日志看 報錯如標題

詳細如下：

26-Mar-2020 15:19:31.400 警告 [ContainerBackgroundProcessor[StandardEngine[Standalone]]] org.apache.catalina.valves.StuckThreadDetectionValve.notifyStuckThreadDetected Thread [http-nio-8090-exec-14] (id=[2039]) has been active for [67,676] milliseconds (since [3/26/20 3:18 PM]) to serve the same request for [http://wiki.kmelearning.com/synchrony-proxy/heartbeat?_=1585207102242] and may be stuck (configured threshold for this StuckThreadDetectionValve is [60] seconds). There is/are [13] thread(s) in total that are monitored by this Valve and may be stuck.java.lang.Throwableat java.lang.Object.wait(Native Method)at java.lang.Object.wait(Object.java:502)at java.net.InetAddress.checkLookupTable(InetAddress.java:1394)at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1311)at java.net.InetAddress.getAllByName0(InetAddress.java:1277)at java.net.InetAddress.getAllByName0(InetAddress.java:1254)at java.net.InetAddress.getHostFromNameService(InetAddress.java:635)at java.net.InetAddress.getHostName(InetAddress.java:560)at java.net.InetAddress.getHostName(InetAddress.java:532)at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.populateLocalName(NioEndpoint.java:1304)at org.apache.tomcat.util.net.SocketWrapperBase.getLocalName(SocketWrapperBase.java:223)at org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:446)at org.apache.coyote.Request.action(Request.java:432)at org.apache.catalina.connector.Request.getLocalName(Request.java:1307)at org.apache.catalina.connector.RequestFacade.getLocalName(RequestFacade.java:1002)at org.eclipse.jetty.proxy.AbstractProxyServlet.addXForwardedHeaders(AbstractProxyServlet.java:511)at org.eclipse.jetty.proxy.AbstractProxyServlet.addProxyHeaders(AbstractProxyServlet.java:498)at org.eclipse.jetty.proxy.ProxyServlet.service(ProxyServlet.java:86)at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)at com.atlassian.synchrony.proxy.web.SynchronyProxyFilter.doFilter(SynchronyProxyFilter.java:71)at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)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:199)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)at org.apache.catalina.valves.StuckThreadDetectionValve.invoke(StuckThreadDetectionValve.java:206)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)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:408)at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:770)at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:748)26-Mar-2020 15:23:31.432 警告 [ContainerBackgroundProcessor[StandardEngine[Standalone]]] org.apache.catalina.valves.StuckThreadDetectionValve.notifyStuckThreadDetected Thread [http-nio-8090-exec-11] (id=[2025]) has been active for [67,655] milliseconds (since [3/26/20 3:22 PM]) to serve the same request for [http://wiki.kmelearning.com/confluence/synchrony-proxy/heartbeat?_=1585207342301] and may be stuck (configured threshold for this StuckThreadDetectionValve is [60] seconds). There is/are [1] thread(s) in total that are monitored by this Valve and may be stuck.java.lang.Throwableat java.lang.Object.wait(Native Method)at java.lang.Object.wait(Object.java:502)at java.net.InetAddress.checkLookupTable(InetAddress.java:1394)at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1311)at java.net.InetAddress.getAllByName0(InetAddress.java:1277)at java.net.InetAddress.getAllByName0(InetAddress.java:1254)at java.net.InetAddress.getHostFromNameService(InetAddress.java:635)at java.net.InetAddress.getHostName(InetAddress.java:560)at java.net.InetAddress.getHostName(InetAddress.java:532)at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.populateLocalName(NioEndpoint.java:1304)at org.apache.tomcat.util.net.SocketWrapperBase.getLocalName(SocketWrapperBase.java:223)at org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:446)at org.apache.coyote.Request.action(Request.java:432)at org.apache.catalina.connector.Request.getLocalName(Request.java:1307)at org.apache.catalina.connector.RequestFacade.getLocalName(RequestFacade.java:1002)at org.eclipse.jetty.proxy.AbstractProxyServlet.addXForwardedHeaders(AbstractProxyServlet.java:511)at org.eclipse.jetty.proxy.AbstractProxyServlet.addProxyHeaders(AbstractProxyServlet.java:498)at org.eclipse.jetty.proxy.ProxyServlet.service(ProxyServlet.java:86)at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)at com.atlassian.synchrony.proxy.web.SynchronyProxyFilter.doFilter(SynchronyProxyFilter.java:71)at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)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:199)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)at org.apache.catalina.valves.StuckThreadDetectionValve.invoke(StuckThreadDetectionValve.java:206)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)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:408)at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:770)at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)at java.lang.Thread.run(Thread.java:748)

項目tomcat運行出現異常：

Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.OutOfMemoryError: PermGen space

解決辦法：

找到apache-tomcat-6.0.35\bin目錄下的catalina.bat文件，打開后找到echo Using CATALINA_BASE:?? "%CATALINA_BASE%"一行，在這行上面添加一行代碼

JAVA_OPTS="-server -XX:PermSize=64M -XX:MaxPermSize=128m

運行，OK。

無需重啟。

轉載自

https://blog.csdn.net/lanyu_lee/article/details/17752309

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