[jira] [Created] (LENS-1199) NPE while closing session

["Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>]

Amareshwari Sriramadasu created LENS-1199:
---------------------------------------------

             Summary: NPE while closing session
                 Key: LENS-1199
                 URL: https://issues.apache.org/jira/browse/LENS-1199
             Project: Apache Lens
          Issue Type: Bug
          Components: server
    Affects Versions: 2.6
            Reporter: Amareshwari Sriramadasu
            Assignee: Raju Bairishetti
             Fix For: 2.6


Close session fails with 500.
Seeing the following in server logs :
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23 Jun 2016 05:55:01 [9217270f-8cf1-43dd-add4-64d604bebb65] [e319efea-fd05-401a-91c9-c94ee8409dcf grizzly-http-server-1] INFO  org.apache.lens.server.BaseLensService - Closed session <?xml version="1.0" encoding="UTF-8" standalone="yes"?><lensSessionHandle><publicId>e319efea-fd05-401a-91c9-c94ee8409dcf</publicId><secretId>76942b08-b549-430f-834b-ae39514c6a91</secretId></lensSessionHandle> for anonymous user
23 Jun 2016 05:55:01 [9217270f-8cf1-43dd-add4-64d604bebb65] [e319efea-fd05-401a-91c9-c94ee8409dcf grizzly-http-server-1] ERROR org.apache.lens.server.LensRequestListener - Encountered HTTP exception
org.glassfish.jersey.server.internal.process.MappableException: java.lang.NullPointerException
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.mapTargetToRuntimeEx(AbstractJavaResourceMethodDispatcher.java:179) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.access$200(AbstractJavaResourceMethodDispatcher.java:72) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:149) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) [jersey-common-2.22.1.jar:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) [jersey-common-2.22.1.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315) [jersey-common-2.22.1.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297) [jersey-common-2.22.1.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:267) [jersey-common-2.22.1.jar:na]
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317) [jersey-common-2.22.1.jar:na]
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) [jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) [jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:384) [jersey-container-grizzly2-http-2.22.1.jar:na]
        at org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:224) [grizzly-http-server-2.3.23.jar:2.3.23]
        at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591) [grizzly-framework-2.3.23.jar:2.3.23]
        at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571) [grizzly-framework-2.3.23.jar:2.3.23]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66]
Caused by: java.lang.NullPointerException: null
        at org.apache.lens.server.BaseLensService.decrementSessionCountForUser(BaseLensService.java:329) ~[classes/:na]
        at org.apache.lens.server.BaseLensService.closeSession(BaseLensService.java:307) ~[classes/:na]
        at org.apache.lens.server.session.HiveSessionService.closeInternal(HiveSessionService.java:481) ~[classes/:na]
        at org.apache.lens.server.session.HiveSessionService.closeSession(HiveSessionService.java:471) ~[classes/:na]
        at org.apache.lens.server.session.SessionResource.closeSession(SessionResource.java:109) ~[classes/:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_66]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_66]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_66]
        at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_66]
        at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81) ~[jersey-server-2.22.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144) ~[jersey-server-2.22.1.jar:na]
        ... 20 common frames omitted
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