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Hi All,
I have just installed the WebSphere Application Server 3.5.4, with its FixPack
and the Administrative console runs nice and easy (and I think I have made a
correct database configuration).
However java error messages appear when I try to run the samples. For example,
even though I can load the beginning page:
/WSsamples/index.html">http://<mysystem>/WSsamples/index.html[1] I cannot
correctly load correctly any of the examples provided by this page eg. the
Page hit Count sample. The corresponding jsp page is loaded so I get
"This page has been requested " at the beginning
and "times" in the end so in-between a number should have appeared. A Message:
java.lang.NullPointerException is shown instead (the full message following).
Does anybidy have any idea why does this happen?
Thanks,
Nick.
Error 500
An error has occured while processing request:
http://<mysystem>/WebSphereSamples/Counter/CounterServletOutputPage.jsp
Message: java.lang.NullPointerException
Target Servlet: WebSphereSamples.Counter.CounterServlet
StackTrace:
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Root Error-1: java.lang.NullPointerException
com.ibm.servlet.engine.webapp.WebAppErrorReport:
java.lang.NullPointerException
java/lang/Throwable.(Ljava/lang/String;)V+4 (Throwable.java:94)
com/ibm/servlet/engine/webapp/WebAppDispatcherResponse.sendError(ILjava/lang/String;)V+38
(WebAppDispatcherResponse.java:102)
com/ibm/servlet/PageListServlet.handleError(Ljava/lang/String;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Ljava/lang/Object;)V+89
(PageListServlet.java:798)
com/ibm/webtools/runtime/StudioPervasiveServlet.handleError(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Ljava/lang/Object;)V+19
(StudioPervasiveServlet.java:94)
WebSphereSamples/Counter/CounterServlet.performTask(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+0
(CounterServlet.java:42)
javax/servlet/http/HttpServlet.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+32
(HttpServlet.java:740)
javax/servlet/http/HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+25
(HttpServlet.java:853)
com/ibm/servlet/engine/webapp/StrictServletInstance.doService(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+21
(ServletManager.java:644)
com/ibm/servlet/engine/webapp/StrictLifecycleServlet._service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+46
(StrictLifecycleServlet.java:160)
com/ibm/servlet/engine/webapp/ServletInstance.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Lcom/ibm/servlet/engine/webapp/WebAppServletInvocationEvent;)V+186
(ServletManager.java:371)
com/ibm/servlet/engine/webapp/WebAppRequestDispatcher.handleWebAppDispatch(Lcom/ibm/servlet/engine/webapp/WebAppRequest;Ljavax/servlet/http/HttpServletResponse;Z)V+1242
(WebAppRequestDispatcher.java:666)
com/ibm/servlet/engine/webapp/WebAppRequestDispatcher.dispatch(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Z)V+443
(WebAppRequestDispatcher.java:257)
com/ibm/servlet/engine/webapp/WebAppRequestDispatcher.include(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+1
(WebAppRequestDispatcher.java:165)
org/apache/jasper/runtime/PageContextImpl.include(Ljava/lang/String;)V+29
(PageContextImpl.java:373)
_Counter_2F_CounterServletOutputPage_2E_jsp_jsp_1._jspService(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+0
(_Counter_2F_CounterServletOutputPage_2E_jsp_jsp_1.java:97)
com/sun/jsp/runtime/HttpJspBase.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+134
(HttpJspBase.java:175)
javax/servlet/http/HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+25
(HttpServlet.java:853)
com/sun/jsp/runtime/JspServlet$JspServletWrapper.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+361
(JspServlet.java:263)
com/sun/jsp/runtime/JspServlet.serviceJspFile(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Ljava/lang/String;Ljava/lang/Throwable;)V+186
(JspServlet.java:926)
com/sun/jsp/runtime/JspServlet.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+187
(JspServlet.java:835)
javax/servlet/http/HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+25
(HttpServlet.java:853)
com/ibm/servlet/engine/webapp/StrictServletInstance.doService(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+21
(ServletManager.java:644)
com/ibm/servlet/engine/webapp/StrictLifecycleServlet._service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+46
(StrictLifecycleServlet.java:160)
com/ibm/servlet/engine/webapp/ServletInstance.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Lcom/ibm/servlet/engine/webapp/WebAppServletInvocationEvent;)V+186
(ServletManager.java:371)
com/ibm/servlet/engine/webapp/WebAppRequestDispatcher.handleWebAppDispatch(Lcom/ibm/servlet/engine/webapp/WebAppRequest;Ljavax/servlet/http/HttpServletResponse;Z)V+1242
(WebAppRequestDispatcher.java:666)
com/ibm/servlet/engine/webapp/WebAppRequestDispatcher.dispatch(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Z)V+443
(WebAppRequestDispatcher.java:257)
com/ibm/servlet/engine/webapp/WebAppRequestDispatcher.forward(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+236
(WebAppRequestDispatcher.java:154)
com/ibm/servlet/engine/srt/WebAppInvoker.doForward(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+174
(WebAppInvoker.java:105)
com/ibm/servlet/engine/srt/WebAppInvoker.handleInvocationHook(Ljava/lang/Object;)V+130
(WebAppInvoker.java:214)
com/ibm/servlet/engine/invocation/CachedInvocation.handleInvocation(Ljava/lang/Object;)V+25
(CachedInvocation.java:67)
com/ibm/servlet/engine/invocation/CacheableInvocationContext.invoke(Ljava/lang/Object;)V+87
(CacheableInvocationContext.java:106)
com/ibm/servlet/engine/srp/ServletRequestProcessor.dispatchByURI(Ljava/lang/String;Lcom/ibm/servlet/engine/srp/ISRPConnection;)V+867
(ServletRequestProcessor.java:160)
com/ibm/servlet/engine/oselistener/OSEListenerDispatcher.service(Lcom/ibm/servlet/engine/oselistener/api/IOSEConnection;)V+95
(OSEListener.java:300)
com/ibm/servlet/engine/oselistener/SQEventListenerImp$ServiceRunnable.run()V+155
(SQEventListenerImp.java:230)
com/ibm/servlet/engine/oselistener/SQEventListenerImp.notifySQEvent(Lcom/ibm/servlet/engine/oselistener/api/ISQEvent;)V+184
(SQEventListenerImp.java:104)
com/ibm/servlet/engine/oselistener/serverqueue/SQEventSource.notifyEvent(Lcom/ibm/servlet/engine/oselistener/api/SQEventImp;)V+40
(SQEventSource.java:216)
com/ibm/servlet/engine/oselistener/serverqueue/SQWrapperEventSource$SelectRunnable.notifyService()V+116
(SQWrapperEventSource.java:354)
com/ibm/servlet/engine/oselistener/serverqueue/SQWrapperEventSource$SelectRunnable.run()V+124
(SQWrapperEventSource.java:221)
com/ibm/servlet/engine/oselistener/outofproc/OutOfProcThread$CtlRunnable.run()V+104
(OutOfProcThread.java:248)
java/lang/Thread.run()V+11 (Thread.java:479)
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===References:===
1. http://<mysystem>/WSsamples/index.html
2. http://g.msn.com/8HMDEN/2018
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