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From "Pearce, Lyall (DTEI)" <Lyall.Pea...@saugov.sa.gov.au>
Subject JSPWiki exception on some users only...
Date Tue, 22 Apr 2008 02:24:16 GMT
I have posted a similar request on the Support Page or JSPWiki web site, if this is not an
appropriate thing to do, let me know and I can remove the entry.

I am recieving an exception (see below) on some users browsers and not others.
The users are all windows users, but their browsers are either IE or FF.
Some people have Smart theme, others have vanilla.
I have tried Shift-refresh.
I have tried completely clearing local data (including cookies and cache), I have tried blocking
cookies altogether.

Earlier in the day, we attempted to update the properties to enable CamelCase, restarted the
TomCat server and that is when the problem started.
We updated the property file to turn CamelCase off and restarted TomCat again, in an attempt
to recover, but to no avail.

It appears that after we restart Tomcat, that the first couple of users can get things working,
that everyone after that fails.

We are running Apache Tomcat/5.5.9 on a Unix server.

Any assistance would be greatly appreciated.

...Lyall

Stack trace follows:-


        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:534)
Apr 22, 2008 11:02:52 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
        at javax.security.auth.login.LoginContext.init(LoginContext.java:195)
        at javax.security.auth.login.LoginContext.<init>(LoginContext.java:350)
        at javax.security.auth.login.LoginContext.<init>(LoginContext.java:465)
        at com.ecyrd.jspwiki.WikiSession.getLoginContext(WikiSession.java:259)
        at com.ecyrd.jspwiki.auth.AuthenticationManager$3.run(AuthenticationManager.java:441)
        at java.security.AccessController.doPrivileged(Native Method)
        at com.ecyrd.jspwiki.auth.AuthenticationManager.doLogin(AuthenticationManager.java:435)
        at com.ecyrd.jspwiki.auth.AuthenticationManager.login(AuthenticationManager.java:234)
        at com.ecyrd.jspwiki.WikiContext.<init>(WikiContext.java:269)
        at com.ecyrd.jspwiki.WikiEngine.createContext(WikiEngine.java:2097)
        at org.apache.jsp.Error_jsp._jspService(org.apache.jsp.Error_jsp:73)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
        at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:693)
        at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:660)
        at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:808)
        at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
        at org.apache.jsp.Wiki_jsp._jspService(org.apache.jsp.Wiki_jsp:134)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at com.ecyrd.jspwiki.ui.WikiServletFilter.doFilter(WikiServletFilter.java:99)
        at com.ecyrd.jspwiki.ui.WikiJSPFilter.doFilter(WikiJSPFilter.java:91)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:534)



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