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| Re: InfoCenter Exception [message #331210 is a reply to message #331185] |
Thu, 28 August 2008 12:45   |
Eclipse User |
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Originally posted by: nospam_kowalskilee.gmail.com
Markus Wolf wrote:
> Hi,
>
> we are using the eclipse infocenter deployed on tomcat to serve our
> online help. Now we created an index from our docbook base and added it
> to the plugin.xml as described in the eclipse help. So far so good, but
> when we try to open the index we get this exception:
>
> SCHWERWIEGEND: Servlet.service() for servlet equinoxbridgeservlet threw
> exception
> java.lang.ClassCastException: org.eclipse.help.internal.toc.Toc$1 cannot
> be cast to org.eclipse.help.internal.Topic
> at org.eclipse.help.internal.toc.TocManager.getTopic
> (TocManager.java:120)
> at org.eclipse.help.internal.index.IndexAssembler
> $IndexComparator.getLabel(IndexAssembler.java:247)
> at org.eclipse.help.internal.index.IndexAssembler
> $IndexComparator.compare(IndexAssembler.java:199)
> at java.util.Arrays.mergeSort(Arrays.java:1270)
> at java.util.Arrays.mergeSort(Arrays.java:1281)
> at java.util.Arrays.sort(Arrays.java:1210)
> at org.eclipse.help.internal.index.IndexAssembler.sort
> (IndexAssembler.java:155)
> at org.eclipse.help.internal.index.IndexAssembler.sort
> (IndexAssembler.java:141)
> at org.eclipse.help.internal.index.IndexAssembler.assemble
> (IndexAssembler.java:52)
> at org.eclipse.help.internal.index.IndexManager.getIndex
> (IndexManager.java:59)
> at org.eclipse.help.internal.webapp.servlet.IndexFragmentServle t
> $Serializer.<init>(IndexFragmentServlet.java:125)
> at
> org.eclipse.help.internal.webapp.servlet.IndexFragmentServle t.doGet
> (IndexFragmentServlet.java:103)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at org.eclipse.equinox.http.registry.internal.ServletManager
> $ServletWrapper.service(ServletManager.java:180)
> at
> org.eclipse.equinox.http.servlet.internal.ServletRegistratio n.handleRequest
> (ServletRegistration.java:90)
> at
> org.eclipse.equinox.http.servlet.internal.ProxyServlet.proce ssAlias
> (ProxyServlet.java:111)
> at org.eclipse.equinox.http.servlet.internal.ProxyServlet.servi ce
> (ProxyServlet.java:59)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at org.eclipse.equinox.servletbridge.BridgeServlet.service
> (BridgeServlet.java:121)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFi lter
> (ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter
> (ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke
> (StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke
> (StandardContextValve.java:175)
> at org.apache.catalina.core.StandardHostValve.invoke
> (StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke
> (ErrorReportValve.java:102)
> at org.apache.catalina.core.StandardEngineValve.invoke
> (StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service
> (CoyoteAdapter.java:286)
> at org.apache.coyote.http11.Http11Processor.process
> (Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol
> $Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run
> (JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:619)
>
>
> Can anyone help us on how to resolve the issue?
> We looked the the source of the TocManager which does the invalid cast.
> And in fact the returned object, from the method call before the
> exception is thrown, implements the interface ITopic but is not a Topic
> object.
>
> Thanks for any input
> Markus Wolf
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