[jira] [Created] (TAJO-1712) querytasks.jsp throws NPE occasionally when tasks are running.

["Jaehwa Jung (JIRA)" <ji...@apache.org>]

Jaehwa Jung created TAJO-1712:
---------------------------------

             Summary: querytasks.jsp throws NPE occasionally when tasks are running.
                 Key: TAJO-1712
                 URL: https://issues.apache.org/jira/browse/TAJO-1712
             Project: Tajo
          Issue Type: Bug
            Reporter: Jaehwa Jung
            Assignee: Jaehwa Jung
             Fix For: 0.11.0


querytasks.jsp throws NPE occasionally when tasks of execution block are running as following:

{code:xml}
java.lang.NullPointerException
	at org.apache.jsp.querytasks_jsp._jspService(org.apache.jsp.querytasks_jsp: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
{code}



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