Jenkins tomcat服务器启动时，SSH连接自动关闭

Question

我在apache-tomcat-9上部署了jenkins.war。它在早些时候工作。现在它显示内存泄漏错误。当我启动tomcat服务器时，我的ssh连接会自动关闭。

错误消息：

Mar 14, 2019 10:15:49 AM jenkins.model.Jenkins cleanUp INFO: Stopping Jenkins Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins$19 onAttained INFO: Started termination Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins$19 onAttained INFO: Completed termination Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins _cleanUpDisconnectComputers INFO: Starting node disconnection Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins _cleanUpShutdownPluginManager INFO: Stopping plugin manager Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins _cleanUpPersistQueue INFO: Persisting build queue Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins _cleanUpAwaitDisconnects INFO: Waiting for node disconnection completion Mar 14, 2019 10:15:50 AM jenkins.model.Jenkins cleanUp INFO: Jenkins stopped Mar 14, 2019 10:15:50 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [] appears to have started a thread named [Computer.threadPoolForRemoting [#3]] but has failed to stop it. This is very likely to create a memory leak. Mar 14, 2019 10:15:50 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [] appears to have started a thread named [Computer.threadPoolForRemoting [#4]] but has failed to stop it. This is very likely to create a memory leak. Mar 14, 2019 10:15:50 AM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@3024d93c]) and a value of type [java.util.Stack] (value [[org.apache.ivy.core.IvyContext@6bd72f27]]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Mar 14, 2019 10:15:50 AM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@2af01ad7]) and a value of type [org.acegisecurity.context.SecurityContextImpl] (value [org.acegisecurity.context.SecurityContextImpl@ffffffff: Null authentication]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Mar 14, 2019 10:15:50 AM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@2af01ad7]) and a value of type [org.acegisecurity.context.SecurityContextImpl] (value [org.acegisecurity.context.SecurityContextImpl@ffffffff: Null authentication]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Mar 14, 2019 10:15:50 AM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@2af01ad7]) and a value of type [org.acegisecurity.context.SecurityContextImpl] (value [org.acegisecurity.context.SecurityContextImpl@ffffffff: Null authentication]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.

服务器启动我的ssh连接后，它会自动关闭，因此我也无法调试。我也检查了 top 命令，请找到输出

可以请任何人帮我解决此问题吗？

谢谢！