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Date: Fri, 24 Jul 2015 23:00:05 +0000 (UTC)
From: "Henry Sowell (JIRA)" <jira@apache.org>
To: dev@ambari.apache.org
Message-ID: <JIRA.12849031.1437778805000.286608.1437778805940@Atlassian.JIRA>
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 <JIRA.12849031.1437778805195@arcas>
Subject: [jira] [Created] (AMBARI-12541) Accessing view in Ambari throws
 NullPointerException
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Henry Sowell created AMBARI-12541:
-------------------------------------

             Summary: Accessing view in Ambari throws NullPointerException
                 Key: AMBARI-12541
                 URL: https://issues.apache.org/jira/browse/AMBARI-12541
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.1.0
         Environment: AWS EC2 Centos 7 instance
            Reporter: Henry Sowell
            Priority: Minor


I created a PIG view in Ambari and went to load it, which resulted in the following NPE. It doesn't appear to be related to the other known NPE issue fixed by removing the instance element in the view.xml. Following the stack trace it looks like javax isn't null value error handling, which prevented me from using the view. I was able to get around it by deleting and recreating the view. 

/var/lib/ambari-server/resources/stacks/HDP/2.3.GlusterFS/role_command_order.json
/NullPointerException
       at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
       at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)
       at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
       at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
       at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
       at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
       at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
       at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
       at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
       at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
       at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:209)
       at org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:198)
       at org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:132)
       at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
       at org.eclipse.jetty.server.Server.handle(Server.java:370)
       at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
       at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
       at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)
       at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
       at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
       at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
       at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)
       at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)
       at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
       at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
       at java.lang.Thread.run(Thread.java:745)


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