Philip Harvey created QPID-4375:
-----------------------------------
Summary: Java web UI throws exception if used too soon after
broker startup
Key: QPID-4375
URL: https://issues.apache.org/jira/browse/QPID-4375
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: 0.18
Reporter: Philip Harvey
Priority: Minor
If you access the web management UI too soon after Broker startup (eg
http://localhost:8080/management) a NullPointerException is thrown:
{noformat}
2012-10-15 09:08:26,442 WARN [qtp24422114-21] servlet.ServletHandler
(ServletHandler.java:546) - /rest/broker
java.lang.NullPointerException
at
org.apache.qpid.server.registry.ApplicationRegistry.getSubjectCreator(ApplicationRegistry.java:624)
at
org.apache.qpid.server.management.plugin.servlet.rest.AbstractServlet.getAndCacheAuthorizedSubject(AbstractServlet.java:266)
at
org.apache.qpid.server.management.plugin.servlet.rest.AbstractServlet.doWithSubjectAndActor(AbstractServlet.java:199)
at
org.apache.qpid.server.management.plugin.servlet.rest.AbstractServlet.doGet(AbstractServlet.java:80)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:565)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:479)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
at org.eclipse.jetty.server.Server.handle(Server.java:348)
at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:452)
at
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:884)
at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:938)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:630)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:230)
at
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:77)
at
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:606)
at
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:46)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:603)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:538)
at java.lang.Thread.run(Thread.java:619)
{noformat}
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