[Attempto] Servlet exception

Tobias Kuhn t.kuhn at gmx.ch
Fri May 22 17:31:49 CEST 2009


Hi Scott,

Do you mean by "initial access" accessing an empty wiki?

"Could not resolve link: <0,0>" means that AceWiki encounters (in the stored data) a link that 
points to the ontology element number 0 and its word number 0. This error is thrown if it cannot 
find this object, which might be due to the fact that it tries to load a wiki instance from corrupt 
data.


Tobias



Scott Laser wrote:
> This exception is received after a fresh startup of the Tomcat 
> application server and initial access of the wiki.  Upon refresh of the 
> browser (I am using Firefox 3.0.10) no other exceptions are thrown and 
> the wiki performs normally.  Running Windows 2003 Enterprise, JRE 
> 1.6.0_13, and Tomcat 6.0.18
>  
> R/
> Scott Laser
>  
> java.lang.RuntimeException: Could not resolve link: <0,0>
>  at ch.uzh.ifi.attempto.acewiki.core.ontology.Sentence.tokenize(Unknown 
> Source)
>  at 
> ch.uzh.ifi.attempto.acewiki.core.ontology.Sentence.getTextElements(Unknown 
> Source)
>  at ch.uzh.ifi.attempto.acewiki.core.ontology.Sentence.parse(Unknown Source)
>  at 
> ch.uzh.ifi.attempto.acewiki.core.ontology.Sentence.isReasonerParticipant(Unknown 
> Source)
>  at 
> ch.uzh.ifi.attempto.acewiki.core.ontology.Ontology.refreshReasoner(Unknown 
> Source)
>  at 
> ch.uzh.ifi.attempto.acewiki.core.ontology.Ontology.loadOntology(Unknown 
> Source)
>  at 
> ch.uzh.ifi.attempto.acewiki.AceWikiServlet.newApplicationInstance(Unknown 
> Source)
>  at 
> nextapp.echo2.webcontainer.ContainerInstance.init(ContainerInstance.java:211)
>  at 
> nextapp.echo2.webcontainer.ContainerSynchronizeService.renderInit(ContainerSynchronizeService.java:417)
>  at 
> nextapp.echo2.webrender.service.SynchronizeService.service(SynchronizeService.java:269)
>  at 
> nextapp.echo2.webrender.WebRenderServlet.process(WebRenderServlet.java:273)
>  at ch.uzh.ifi.attempto.acewiki.AceWikiServlet.process(Unknown Source)
>  at 
> nextapp.echo2.webrender.WebRenderServlet.doPost(WebRenderServlet.java:189)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>  at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>  at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>  at ch.uzh.ifi.attempto.echocomp.HeaderControlFilter.doFilter(Unknown 
> Source)
>  at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>  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:191)
>  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:845)
>  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(Unknown Source)
> 
> 
> ------------------------------------------------------------------------
> 
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