java.lang.NullPointerException

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  • java.lang.NullPointerException at org.atmosphere.samples.chat.ChatAtmosphereHandler.onEvent(ChatAtmosphereHandler.java:96) at org.atmosphere.cpr.WebContainer.action(WebContainer.java:115) at org.atmosphere.cpr.WebContainer.suspended(WebContainer.java:93) at org.atmosphere.container.JettyCometSupport.service(JettyCometSupport.java:89) at org.atmosphere.cpr.AtmosphereServlet.service(AtmosphereServlet.java:310) at javax.servlet.http.HttpServlet.service(HttpServlet.java:844) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1518) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:171) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:651) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:591) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94) at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:87) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:158) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:651) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:591) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:318) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:222) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:803) at com.sun.grizzly.comet.CometEngine.executeServlet(CometEngine.java:469) at com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:338) at com.sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:84) at com.sun.grizzly.arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:164) at com.sun.grizzly.arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:140) at com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:90) at com.sun.grizzly.http.TaskBase.run(TaskBase.java:190) at com.sun.grizzly.http.TaskBase.execute(TaskBase.java:172) at com.sun.grizzly.arp.DefaultAsyncHandler.handle(DefaultAsyncHandler.java:142) at com.sun.grizzly.arp.AsyncProtocolFilter.execute(AsyncProtocolFilter.java:174) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) at com.sun.grizzly.ContextTask.run(ContextTask.java:69) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:526) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:507) at java.lang.Thread.run(Thread.java:662)
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