null in compiled jsp is killing me

I always get this error:

500 Internal Server Error
/dailyschedule.jsp:

null
java.lang.ArrayIndexOutOfBoundsException
     at jrun__cstools__utility__dailyschedule2ejsp2e._jspService(jrun__cstools____utility__dailyschedule2ejsp2e.java:223)
     at allaire.jrun.jsp.HttpJSPServlet.service(../jsp/HttpJSPServlet.java:40)
     at allaire.jrun.servlet.JRunSE.service(../servlet/JRunSE.java:1013)
     at allaire.jrun.servlet.JRunSE.runServlet(../servlet/JRunSE.java:925)
     at allaire.jrun.servlet.JRunNamedDispatcher.forward(../servlet/JRunNamedDispatcher.java:34)
     at allaire.jrun.jsp.JSPServlet.service(../jsp/JSPServlet.java:175)
     at allaire.jrun.servlet.JRunSE.service(../servlet/JRunSE.java:1013)
     at allaire.jrun.servlet.JRunSE.runServlet(../servlet/JRunSE.java:925)
     at allaire.jrun.servlet.JRunRequestDispatcher.forward(../servlet/JRunRequestDispatcher.java:88)
     at allaire.jrun.servlet.JRunSE.service(../servlet/JRunSE.java:1131)
     at allaire.jrun.servlet.JvmContext.dispatch(../servlet/JvmContext.java:330)
     at allaire.jrun.http.WebEndpoint.run(../http/WebEndpoint.java:107)
     at allaire.jrun.ThreadPool.run(../ThreadPool.java:272)
     at allaire.jrun.WorkerThread.run(../WorkerThread.java:75)


the thing that driving me nuts is I won't be able to know where the error is!!!

This : dailyschedule2ejsp2e.java:223 line 223 doesn't mean the line 223 in source code, it is the line for the compiled code!!

anyone has a idea how to track this kind of error better?

Thanks
chrislee8Asked:
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ny971181Commented:
just find the jsp in the jsp server, cuase they are saved in some place based on the setup of your server.

open that up, go to line 233, you will get it.

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