[jira] Created: (SLING-571) JspServletWrapper swallows jsp exceptions if root cause is null

[Tobias Bocanegra (JIRA)]

JspServletWrapper swallows jsp exceptions if root cause is null
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                 Key: SLING-571
                 URL: https://issues.apache.org/jira/browse/SLING-571
             Project: Sling
          Issue Type: Bug
          Components: Scripting JSP
    Affects Versions: Scripting JSP 2.0.2
            Reporter: Tobias Bocanegra


For example for a JSP compile error the 'realException' is null and the 
following stack-frame resolution fails:

(JspServletWrapper.java, line 492ff)

            // First identify the stack frame in the trace that represents the 
JSP
            StackTraceElement[] frames = realException.getStackTrace();
            StackTraceElement jspFrame = null;

            for (int i=0; i<frames.length; ++i) {
                if ( 
frames[i].getClassName().equals(this.getServlet().getClass().getName()) ) {
                    jspFrame = frames[i];
                    break;
                }
            }

Suggest to check for (realException == null)

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