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https://issues.apache.org/jira/browse/QPID-7797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Wall closed QPID-7797.
----------------------------

> HTTP management authentication occasionally fails with NPE
> ----------------------------------------------------------
>
>                 Key: QPID-7797
>                 URL: https://issues.apache.org/jira/browse/QPID-7797
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.28, 0.30, 0.32
>            Reporter: Keith Wall
>             Fix For: qpid-java-6.0
>
>
> On a 0.32 derivative, the operator of the Broker reports the following stack 
> trace reported to the logs.  The operation of the Broker is unaffected.
> {noformat}
> 2017-05-25 09:09:48,239 WARN  [HttpManagement-30] (servlet.ServletHandler) - /
> java.lang.NullPointerException
>         at 
> org.apache.qpid.server.management.plugin.HttpManagementUtil.tryToAuthenticate(HttpManagementUtil.java:161)
>         at 
> org.apache.qpid.server.management.plugin.HttpManagementUtil.checkRequestAuthenticatedAndAccessAuthorized(HttpManagementUtil.java:112)
>         at 
> org.apache.qpid.server.management.plugin.filter.RedirectingAuthorisationFilter.doFilter(RedirectingAuthorisationFilter.java:74)
>         at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
>         at 
> org.apache.qpid.server.management.plugin.filter.ForbiddingTraceFilter.doFilter(ForbiddingTraceFilter.java:65)
>         at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
>         at 
> org.apache.qpid.server.management.plugin.filter.ExceptionHandlingFilter.doFilter(ExceptionHandlingFilter.java:55)
>         at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
>         at 
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
>         at 
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
>         at 
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
>         at 
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
>         at 
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
>         at org.eclipse.jetty.server.Server.handle(Server.java:370)
>         at 
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
>         at 
> org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
>         at 
> org.eclipse.jetty.server.AbstractHttpConnection$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:667)
>         at 
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
>         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)
> {noformat}



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