[TAJO-1706] querytasks.jsp in Worker causes NPE when a running EB page is open.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 0.11.0
• Component/s: Web UI
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 24/Jul/15 04:54
• Updated: 04/Aug/15 01:33
• Resolved: 04/Aug/15 01:33

Description

See the title.

2015-07-24 13:49:06,817 INFO org.apache.tajo.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1467msGC pool 'PS MarkSweep' had collection(s): count=1 time=1145ms GC pool 'PS Scavenge' had collection(s): count=2 time=507ms2015-07-24 13:49:06,827 ERROR org.mortbay.log: /querytasks.jspjava.lang.NullPointerException   at org.apache.jsp.querytasks_jsp._jspService(querytasks_jsp.java:426)  at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)  at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389)  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)  at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)   at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)  at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:363)   at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)   at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)   at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)   at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)   at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)   at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)   at org.mortbay.jetty.Server.handle(Server.java:324)   at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)   at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)   at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:533)   at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:207)   at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:403)   at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)   at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

Issue Links

• is duplicated by: TAJO-1712 querytasks.jsp throws NPE occasionally when tasks are running.