How to debug a jsp in JBoss EAP 6

Solution Verified - Updated -

Issue

  • We are getting a NullPointerException from a jsp in our web application, how can we locate the line in the jsp that is causing the Exception?
java.lang.NullPointerException
   at org.apache.jsp.valid_jsp._jspService(valid_jsp.java:235)
   at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
   ...

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 6.1.0
    • 6.0.x

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