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  1. Change Request Application
  2. CRAPP-136

HTTP 500 Error when refreshing the content of a change request

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Details

    • Bug
    • Resolution: Fixed
    • Critical
    • 0.12
    • 0.11
    • None
    • None
    • Windows 11 Pro 64 bit, Chrome 100, using a local instance of XWiki 14.2.1 on Oracle 19c, Tomcat 9.0.62, Jetty+HSQL
    • Unknown
    • N/A
    • N/A

    Description

      STEPS TO REPRODUCE

      1. Login with a simple user
      2. Edit a page (Pag1) and insert a word
      3. Click on 'Save as change request', fill in a title (Req1) and Save
      4. Edit the page again, insert another word
      5. Click 'Save & View'
      6. Go to the (previously created) Change Request entry, 'File changes' tab
      7. Click 'Fix conflict' in the Actions column and Save
      8. Go again to the page from Navigation Panel, edit it again, insert another word
      9. Click 'Save & View'
      10. Once again, go to the Change Request entry, 'File changes' tab
      11. Click 'Refresh content' in the Actions column or Refresh content from the drop-down next to Edit button

      EXPECTED RESULTS

      The content is refreshed and shown in the timeline.

      ACTUAL RESULTS

      A HTTP 500 error is encountered.

      Tested on both Jetty 10.0.7 and Tomcat 9.0.62.

      The following stacktrace is displayed in XWiki console (taken from Jetty):

      2022-04-12 15:00:33.776:WARN :oejs.HttpChannel:qtp2012846597-445: /xwiki/changerequest/rebase/PagU22-86775e31-3de4-4ca0-a3e2-6520134a5a7e
      javax.servlet.ServletException: Failed to handle Resource Reference [type = [changerequest], parameters = [[referenceParameter] = [[PagU22.WebHome]], [locale] = [[]]]]
              at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.handleResourceReference(ResourceReferenceHandlerServlet.java:161)
              at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.service(ResourceReferenceHandlerServlet.java:87)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
              at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1419)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
              at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1624)
              at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:596)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1378)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1300)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:164)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:135)
              at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:145)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:210)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:164)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:578)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1378)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1300)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
              at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:192)
              at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:51)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.Server.handle(Server.java:562)
              at org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:418)
              at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:675)
              at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:410)
              at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
              at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:319)
              at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
              at org.eclipse.jetty.io.SocketChannelEndPoint$1.run(SocketChannelEndPoint.java:101)
              at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:894)
              at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1038)
              at java.base/java.lang.Thread.run(Thread.java:833)
      Caused by:
      org.xwiki.resource.ResourceReferenceHandlerException: Error while trying to handle the reference [type = [changerequest], parameters = [[referenceParameter] = [[PagU22.WebHome]], [locale] = [[]]]]
              at org.xwiki.contrib.changerequest.internal.handlers.ChangeRequestResourceHandler.handle(ChangeRequestResourceHandler.java:118)
              at org.xwiki.resource.internal.DefaultResourceReferenceHandlerChain.handleNext(DefaultResourceReferenceHandlerChain.java:79)
              at org.xwiki.resource.internal.AbstractResourceReferenceHandlerManager.handle(AbstractResourceReferenceHandlerManager.java:82)
              at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.handleResourceReference(ResourceReferenceHandlerServlet.java:159)
              at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.service(ResourceReferenceHandlerServlet.java:87)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
              at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1419)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
              at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1624)
              at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:596)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1378)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1300)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:164)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:135)
              at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:145)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:210)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:164)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:578)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1378)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1300)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
              at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:192)
              at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:51)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.Server.handle(Server.java:562)
              at org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:418)
              at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:675)
              at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:410)
              at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
              at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:319)
              at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
              at org.eclipse.jetty.io.SocketChannelEndPoint$1.run(SocketChannelEndPoint.java:101)
              at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:894)
              at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1038)
              at java.base/java.lang.Thread.run(Thread.java:833)
      Caused by:
      org.xwiki.contrib.changerequest.ChangeRequestException: Cannot perform a rebase due to conflicts.
              at org.xwiki.contrib.changerequest.internal.storage.DefaultFileChangeStorageManager.performMergeForRebase(DefaultFileChangeStorageManager.java:498)
              at org.xwiki.contrib.changerequest.internal.storage.DefaultFileChangeStorageManager.rebaseEdition(DefaultFileChangeStorageManager.java:443)
              at org.xwiki.contrib.changerequest.internal.storage.DefaultFileChangeStorageManager.rebase(DefaultFileChangeStorageManager.java:377)
              at org.xwiki.contrib.changerequest.internal.DefaultChangeRequestManager.rebase(DefaultChangeRequestManager.java:312)
              at org.xwiki.contrib.changerequest.internal.handlers.RebaseChangeRequestHandler.handleRebase(RebaseChangeRequestHandler.java:104)
              at org.xwiki.contrib.changerequest.internal.handlers.RebaseChangeRequestHandler.handle(RebaseChangeRequestHandler.java:84)
              at org.xwiki.contrib.changerequest.internal.handlers.ChangeRequestResourceHandler.handle(ChangeRequestResourceHandler.java:111)
              at org.xwiki.resource.internal.DefaultResourceReferenceHandlerChain.handleNext(DefaultResourceReferenceHandlerChain.java:79)
              at org.xwiki.resource.internal.AbstractResourceReferenceHandlerManager.handle(AbstractResourceReferenceHandlerManager.java:82)
              at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.handleResourceReference(ResourceReferenceHandlerServlet.java:159)
              at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.service(ResourceReferenceHandlerServlet.java:87)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
              at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1419)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
              at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1624)
              at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:596)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1378)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1300)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:164)
              at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:135)
              at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:145)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:210)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:164)
              at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
              at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:578)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1378)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
              at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1300)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
              at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:192)
              at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:51)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
              at org.eclipse.jetty.server.Server.handle(Server.java:562)
              at org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:418)
              at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:675)
              at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:410)
              at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
              at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:319)
              at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
              at org.eclipse.jetty.io.SocketChannelEndPoint$1.run(SocketChannelEndPoint.java:101)
              at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:894)
              at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1038)
              at java.base/java.lang.Thread.run(Thread.java:833) 
        

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              surli Simon Urli
              iandriuta Ilie Andriuta
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                Created:
                Updated:
                Resolved: