[
https://issues.apache.org/jira/browse/CLEREZZA-197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863306#action_12863306
]
Oliver Strässer commented on CLEREZZA-197:
------------------------------------------
java.util.ConcurrentModificationException
at
com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.checkCourrentModification(GraphTDBBase.java:209)
at
com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.hasNext(GraphTDBBase.java:217)
at
org.apache.clerezza.rdf.jena.storage.JenaGraphAdaptor$1.hasNext(JenaGraphAdaptor.java:80)
at
org.apache.clerezza.rdf.core.impl.AbstractTripleCollection$1.hasNext(AbstractTripleCollection.java:77)
at
org.apache.clerezza.rdf.core.access.LockingIterator.hasNext(LockingIterator.java:47)
at
net.getunik.clerezza.app.google.alerts.gui.GoogleAlertsGui.restorePDF(GoogleAlertsGui.java:774)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.clerezza.triaxrs.RootResourceExecutorImpl.handleWithMethod(RootResourceExecutorImpl.java:471)
at
org.apache.clerezza.triaxrs.RootResourceExecutorImpl.execute(RootResourceExecutorImpl.java:121)
at
org.apache.clerezza.triaxrs.JaxRsHandler.handle(JaxRsHandler.java:502)
at
org.wymiwyg.wrhapi.util.pathmappings.PathMappingHandler$RegisteredHandler.handle(PathMappingHandler.java:127)
at
org.wymiwyg.wrhapi.util.pathmappings.PathMappingHandler.handle(PathMappingHandler.java:102)
at
org.apache.clerezza.platform.security.auth.AuthenticatingFilter$1.run(AuthenticatingFilter.java:94)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at
org.apache.clerezza.platform.security.auth.AuthenticatingFilter.handle(AuthenticatingFilter.java:90)
at
org.wymiwyg.wrhapi.filter.impl.FilterRunner.handle(FilterRunner.java:56)
at
org.apache.clerezza.platform.xhtml2html.Xhtml2HtmlFilter.handle(Xhtml2HtmlFilter.java:73)
at
org.wymiwyg.wrhapi.filter.impl.FilterRunner.handle(FilterRunner.java:56)
at
org.wymiwyg.wrhapi.osgi.OsgiWebServerFactory$1.service(OsgiWebServerFactory.java:76)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:389)
at
org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.handle(HttpServiceServletHandler.java:64)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at
org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.handle(HttpServiceContext.java:111)
at
org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:64)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
> TDB + ConcurrentModificationException
> -------------------------------------
>
> Key: CLEREZZA-197
> URL: https://issues.apache.org/jira/browse/CLEREZZA-197
> Project: Clerezza
> Issue Type: Bug
> Reporter: Oliver Strässer
> Priority: Blocker
>
> After I changed the Actioncenter from sesame to tdb, i got the following
> Error:
> java.util.ConcurrentModificationException
> at
> com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.checkCourrentModification(GraphTDBBase.java:209)
> at
> com.hp.hpl.jena.tdb.store.GraphTDBBase$MapperIteratorTriples.hasNext(GraphTDBBase.java:217)
> at
> org.apache.clerezza.rdf.jena.storage.JenaGraphAdaptor$1.hasNext(JenaGraphAdaptor.java:80)
> at
> org.apache.clerezza.rdf.core.impl.AbstractTripleCollection$1.hasNext(AbstractTripleCollection.java:77)
> at
> org.apache.clerezza.rdf.core.access.LockingIterator.hasNext(LockingIterator.java:47)
> at
> This problem occurs many times on different places and variations.
> An error in the same category (i can't reproduce the situation) - occurs
> while reading the graph an iterating through the graph - with hasnext / next
> the exceptions was something like "elemntmnotfound" at the next(method).
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