I can't help you if you don't pare down your JSP to a reasonable size and post
it or send it to me or something. If the JRun errors are any indication, you
have like 5 forwards in a single JSP, which could indicate a pretty complex JSP
that you aren't able to debug or reduce. If that's so, you'll blindly go from
one JSP engine to the next until one works. But given that JRun and Resin are
two of the best, I don't think you'll get that lucky. So you'll eventually have
to analyze the JSP and figure out what's wrong with it anyway. Those "funny
exceptions" could be the key to your problem.
Scott S.
> -----Original Message-----
> From: Amy Wan [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 29, 2000 7:59 PM
> To: '[EMAIL PROTECTED]'
> Subject: RE: Strange! 500 Internal Server Error
>
>
> Thank you for your reply.
>
> =>Are you using any of Resin's built-in XSL features in your
> =>code? The errors
> =>you're seeing are unusual. Restarting JRun shouldn't affect
> =>whether your page
> =>throws an error or not.
>
> No, I am not using any Resin build-in XSL. Honestly, I don't even know what
> is XSL.
>
> THe reason why I am testing my page with Jrun is I can easily crash Resin
> after my JSP refresh about 5 times every 20 seconds.
> Even though I don't have the same problem so far using Jrun, because of
> those funny exceptions, I believe we may not use JRun as our finaly
> production servlet engine.
>
>
>
>
> =>-----Original Message-----
> =>From: Scott Stirling [mailto:[EMAIL PROTECTED]]
> =>Sent: Tuesday, August 29, 2000 4:46 PM
> =>To: [EMAIL PROTECTED]
> =>Subject: RE: Strange! 500 Internal Server Error
> =>
> =>
> =>Are you using any of Resin's built-in XSL features in your
> =>code? The errors
> =>you're seeing are unusual. Restarting JRun shouldn't affect
> =>whether your page
> =>throws an error or not.
> =>
> =>An important difference between JRun and Resin is that Resin
> =>will dynamically
> =>reload JavaBeans. Since you've mentioned Resin a couple
> =>times, I'm led to
> =>believe there's something vendor-specific that's hanging you
> =>up. Again, nothing
> =>beats some simple test cases to prove the problem and let
> =>other people look at
> =>it.
> =>
> =>Scott
> =>
> =>> -----Original Message-----
> =>> From: Amy Wan [mailto:[EMAIL PROTECTED]]
> =>> Sent: Tuesday, August 29, 2000 7:31 PM
> =>> To: '[EMAIL PROTECTED]'
> =>> Subject: RE: Strange! 500 Internal Server Error
> =>>
> =>>
> =>> Hi
> =>>
> =>> I am not sure if it is a requirement to restart JRUN
> =>Default server after I
> =>> make changes to any JSP page.
> =>>
> =>> I found that after I restart JRun A FEW TIMES, the 500
> =>Internal Error gone
> =>> and my JSP pages work fine.
> =>>
> =>> The other funny thing is if I access a JSP page which I
> =>have never accessed
> =>> before, I will get
> =>> EXCEPTION 1 (See below) once and EXCEPTION 2 when I reload
> =>the page.
> =>> Then when I restarted JRun Default Server, the page works again.
> =>>
> =>> Therefore, I concluded that it is not my JSP page error.
> =>>
> =>> The third thing is I have this line in my JSP page
> =>> response.setIntHeader("Expires", -1);
> =>> I got Exception 3 (see below)
> =>> The same line works in Resin1.1.3
> =>>
> =>>
> =>> EXCEPTION 1
> =>> [java.lang.NullPointerException]
> =>> java.lang.NullPointerException
> =>> at
> =>>
> =>com.jclark.xsl.om.NameTableImpl.createName(NameTableImpl.java(Compiled
> =>> Code))
> =>> at
> =>>
> =>com.jclark.xsl.om.NameTableImpl.createName(NameTableImpl.java(Compiled
> =>> Code))
> =>> at
> =>>
> =>com.jclark.xsl.om.NameTableImpl$NamespacePrefixMapImpl.expandA
> =>ttributeName(N
> =>> ameTableImpl.java(Compiled Code))
> =>> at com.jclark.xsl.expr.ExprParser.expandName(ExprParser.java)
> =>> at com.jclark.xsl.expr.ExprParser.parseNodeTest(ExprParser.java)
> =>> at com.jclark.xsl.expr.ExprParser.parseStep(ExprParser.java)
> =>> at
> =>>
> =>com.jclark.xsl.expr.ExprParser.parseRelativeLocationPath(ExprP
> =>arser.java)
> =>> at
> =>>
> =>com.jclark.xsl.expr.ExprParser.parseRelativeLocationPath(ExprP
> =>arser.java)
> =>> at com.jclark.xsl.expr.ExprParser.parsePathExpr(ExprParser.java)
> =>> at
> =>com.jclark.xsl.expr.ExprParser.parseUnionExpr(ExprParser.java)
> =>> at
> =>com.jclark.xsl.expr.ExprParser.parseUnaryExpr(ExprParser.java)
> =>> at
> =>>
> =>com.jclark.xsl.expr.ExprParser.parseMultiplicativeExpr(ExprPar
> =>ser.java)
> =>> at
> =>com.jclark.xsl.expr.ExprParser.parseAdditiveExpr(ExprParser.java)
> =>> at
> =>> com.jclark.xsl.expr.ExprParser.parseRelationalExpr(ExprParser.java)
> =>> at
> =>com.jclark.xsl.expr.ExprParser.parseEqualityExpr(ExprParser.java)
> =>> at com.jclark.xsl.expr.ExprParser.parseAndExpr(ExprParser.java)
> =>> at com.jclark.xsl.expr.ExprParser.parseOrExpr(ExprParser.java)
> =>> at com.jclark.xsl.expr.ExprParser.parseExpr(ExprParser.java)
> =>> at
> =>> com.jclark.xsl.expr.ExprParser.parseConvertibleExpr(ExprParser.java)
> =>> at
> =>com.jclark.xsl.expr.ExprParser.parseNodeSetExpr(ExprParser.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$ForEachParser.parse(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseActions(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseActions(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$TemplateParser.parse(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseTopLevel(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$IncludeParser.parse(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$ImportParser.parse(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseTopLevel(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$IncludeParser.parse(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$ImportParser.parse(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseTopLevel(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$IncludeParser.parse(SheetImpl.java)
> =>> at
> =>com.jclark.xsl.tr.SheetImpl$ImportParser.parse(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseTopLevel(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.parseSheet(SheetImpl.java)
> =>> at com.jclark.xsl.tr.SheetImpl.<init>(SheetImpl.java)
> =>> at com.jclark.xsl.tr.EngineImpl.createSheet(EngineImpl.java)
> =>> at
> =>>
> =>com.jclark.xsl.sax.XSLProcessorImpl.loadStylesheet(XSLProcesso
> =>rImpl.java)
> =>> at allaire.jrun.jsp.XT.<init>(XT.java:49)
> =>> at
> =>>
> =>allaire.jrun.jsp.JSPServlet.getLanguageProcessor(JSPServlet.java:476)
> =>> at allaire.jrun.jsp.JSPServlet.processPage(JSPServlet.java:416)
> =>> at
> =>allaire.jrun.jsp.JSPServlet.createServlet(JSPServlet.java:392)
> =>> at allaire.jrun.jsp.JSPServlet.loadPage(JSPServlet.java:201)
> =>> at allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:168)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
> =>> at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
> =>> at
> =>>
> =>allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequest
> =>Dispatcher.jav
> =>> a:88)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
> =>> at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
> =>> at allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:354)
> =>> at allaire.jrun.ThreadPool.run(ThreadPool.java(Compiled Code))
> =>> at allaire.jrun.WorkerThread.run(WorkerThread.java:74)
> =>>
> =>> EXCEPTION 2
> =>>
> =>> null
> =>> java.lang.NullPointerException
> =>> at
> =>>
> =>com.jclark.xsl.om.NameTableImpl.createName(NameTableImpl.java(Compiled
> =>> Code))
> =>> at
> =>>
> =>com.jclark.xsl.om.NameTableImpl.createName(NameTableImpl.java(Compiled
> =>> Code))
> =>> at com.jclark.xsl.tr.EngineImpl.<init>(EngineImpl.java)
> =>> at
> =>>
> =>com.jclark.xsl.sax.XSLProcessorImpl.loadStylesheet(XSLProcesso
> =>rImpl.java)
> =>> at allaire.jrun.jsp.XT.<init>(XT.java:49)
> =>> at
> =>>
> =>allaire.jrun.jsp.JSPServlet.getLanguageProcessor(JSPServlet.java:476)
> =>> at allaire.jrun.jsp.JSPServlet.processPage(JSPServlet.java:416)
> =>> at
> =>allaire.jrun.jsp.JSPServlet.createServlet(JSPServlet.java:392)
> =>> at allaire.jrun.jsp.JSPServlet.loadPage(JSPServlet.java:201)
> =>> at allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:168)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
> =>> at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
> =>> at
> =>>
> =>allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequest
> =>Dispatcher.jav
> =>> a:88)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
> =>> at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
> =>> at allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:354)
> =>> at allaire.jrun.ThreadPool.run(ThreadPool.java(Compiled Code))
> =>> at allaire.jrun.WorkerThread.run(WorkerThread.java:74)
> =>>
> =>> EXCEPTION 3
> =>> -1
> =>> java.lang.ArrayIndexOutOfBoundsException: -1
> =>> at
> =>>
> =>allaire.jrun.util.SimpleNumberFormat.formatToBuf(SimpleNumberF
> =>ormat.java:43)
> =>> at
> =>>
> =>allaire.jrun.util.SimpleNumberFormat.format(SimpleNumberFormat.java:9)
> =>> at
> =>>
> =>allaire.jrun.ServletConnection.formatIntegerHeader(ServletConn
> =>ection.java:35
> =>> 3)
> =>> at
> =>>
> =>allaire.jrun.ServletConnection.setIntHeader(ServletConnection.
> =>java:358)
> =>> at
> =>>
> =>jrun__enter_process2ejsp12._jspService(jrun__enter_process2ejs
> =>p12.java:82)
> =>> at
> =>allaire.jrun.jsp.HttpJSPServlet.service(HttpJSPServlet.java:40)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
> =>> at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
> =>> at
> =>>
> =>allaire.jrun.servlet.JRunNamedDispatcher.forward(JRunNamedDisp
> =>atcher.java:34
> =>> )
> =>> at allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:174)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
> =>> at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
> =>> at
> =>>
> =>allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequest
> =>Dispatcher.jav
> =>> a:88)
> =>> at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
> =>> at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
> =>> at allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:354)
> =>> at allaire.jrun.ThreadPool.run(ThreadPool.java(Compiled Code))
> =>> at allaire.jrun.WorkerThread.run(WorkerThread.java:74)
> =>
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