Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Apache's JIRA Issue Tracker by Min Zhou, 1 year ago
via Apache's JIRA Issue Tracker by Min Zhou, 1 year ago
via apache.org by Unknown author, 2 years ago
via Stack Overflow by Raphael_LK
, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at org.apache.jasper.servlet.JspServlet.destroy(JspServlet.java:410)	at org.mortbay.jetty.servlet.ServletHolder.destroyInstance(ServletHolder.java:318)	at org.mortbay.jetty.servlet.ServletHolder.doStop(ServletHolder.java:289)	at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:78)	at org.mortbay.jetty.servlet.ServletHandler.doStop(ServletHandler.java:171)	at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:78)	at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)	at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:78)	at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)	at org.mortbay.jetty.servlet.SessionHandler.doStop(SessionHandler.java:124)	at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:78)	at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)	at org.mortbay.jetty.handler.ContextHandler.doStop(ContextHandler.java:591)	at org.mortbay.jetty.webapp.WebAppContext.doStop(WebAppContext.java:498)	at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:78)	at org.apache.hadoop.http.HttpServer.stop(HttpServer.java:792)	at org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.stop(NameNodeHttpServer.java:160)	at org.apache.hadoop.hdfs.server.namenode.NameNode.stopHttpServer(NameNode.java:633)	at org.apache.hadoop.hdfs.server.namenode.NameNode.stopCommonServices(NameNode.java:589)	at org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:732)	at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:688)	at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:669)	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1254)	at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:893)	at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:784)	at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:642)	at org.apache.hadoop.hdfs.MiniDFSCluster.(MiniDFSCluster.java:334)	at org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:316)	at org.apache.tajo.TajoTestingCluster.startMiniDFSCluster(TajoTestingCluster.java:195)	at org.apache.tajo.TajoTestingCluster.startMiniCluster(TajoTestingCluster.java:396)	at org.apache.tajo.TajoTestingCluster.startMiniCluster(TajoTestingCluster.java:368)	at org.apache.tajo.LocalTajoTestingUtility.setup(LocalTajoTestingUtility.java:71)	at org.apache.tajo.TpchTestBase.setUp(TpchTestBase.java:94)	at org.apache.tajo.TpchTestBase.(TpchTestBase.java:51)	at org.apache.tajo.QueryTestCaseBase.(QueryTestCaseBase.java:133)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:77)	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)