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http://jira.nuxeo.org/browse/NXP-3617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=60618#action_60618
]
Anahide Tchertchian commented on NXP-3617:
------------------------------------------
fix typo:
http://hg.nuxeo.org/nuxeo/nuxeo-services/rev/ae9b1211b208
> Randomly getting NPE in both ResourceServlet and WebEngineServlet
> ------------------------------------------------------------------
>
> Key: NXP-3617
> URL: http://jira.nuxeo.org/browse/NXP-3617
> Project: Nuxeo Enterprise Platform
> Issue Type: Bug
> Components: Core
> Affects Versions: 5.2 GA
> Environment: OSX 10.5.7 Java SE5 - nuxeo-5.2.0.GA
> Linux Centos 5.2 Java SE6 - nuxeo-5.2.0.GA
> Reporter: Aaron Walker
> Assignee: Anahide Tchertchian
> Priority: Critical
> Fix For: 5.3
>
>
> After a random period of time we are starting to see random NPE they mainly
> seem to be from the ResourceServlet and WebEngineServlet but some user have
> experience in the nuxeo web ui as well. A server restart seems to make them
> go away but they return. If you refresh the page a couple of times the page
> will eventually load correctly. Look through JIRA is can see issue NXP-3607
> but that relates to the DownloadServlet but maybe this issue is similar
> 009-05-28 16:31:24,446 ERROR
> [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/nuxeo].[Nuxeo
> Resource Servlet]] Servlet.service() for servlet Nuxeo Resource Servlet
> threw exception
> java.lang.NullPointerException
> at
> org.apache.catalina.connector.Request.removeAttribute(Request.java:1354)
> at
> org.apache.catalina.connector.RequestFacade.removeAttribute(RequestFacade.java:514)
> at
> org.jboss.seam.mock.MockExternalContext$2.removeAttribute(MockExternalContext.java:274)
> at
> org.jboss.seam.mock.MockExternalContext$AttributeMap.remove(MockExternalContext.java:471)
> at org.jboss.seam.contexts.BasicContext.remove(BasicContext.java:73)
> at org.jboss.seam.Component.newInstance(Component.java:2070)
> at org.jboss.seam.Component.getInstance(Component.java:1962)
> at org.jboss.seam.Component.getInstance(Component.java:1941)
> at org.jboss.seam.Component.getInstance(Component.java:1918)
> at org.jboss.seam.Component.getInstance(Component.java:1913)
> at org.jboss.seam.transaction.Transaction.instance(Transaction.java:36)
> at
> org.nuxeo.ecm.webapp.shield.SeamExceptionHandlingListener.rollbackTransactionIfNecessary(SeamExceptionHandlingListener.java:101)
> at
> org.nuxeo.ecm.webapp.shield.SeamExceptionHandlingListener.startHandling(SeamExceptionHandlingListener.java:89)
> at
> org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionHandler.handleException(NuxeoExceptionHandler.java:103)
> at
> org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.handleException(NuxeoExceptionFilter.java:55)
> at
> org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:64)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> 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:230)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
> at
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at
> org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
> 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:446)
> at java.lang.Thread.run(Thread.java:619)
> And
> 2009-05-28 16:31:38,783 ERROR
> [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/nuxeo].[Nuxeo
> WebEngine Servlet]] Servlet.service() for servlet Nuxeo WebEngine Servlet
> threw exception
> java.lang.NullPointerException
> at
> org.apache.catalina.connector.Request.removeAttribute(Request.java:1354)
> at
> org.apache.catalina.connector.RequestFacade.removeAttribute(RequestFacade.java:514)
> at
> org.jboss.seam.mock.MockExternalContext$2.removeAttribute(MockExternalContext.java:274)
> at
> org.jboss.seam.mock.MockExternalContext$AttributeMap.remove(MockExternalContext.java:471)
> at org.jboss.seam.contexts.BasicContext.remove(BasicContext.java:73)
> at org.jboss.seam.Component.newInstance(Component.java:2070)
> at org.jboss.seam.Component.getInstance(Component.java:1962)
> at org.jboss.seam.Component.getInstance(Component.java:1941)
> at org.jboss.seam.Component.getInstance(Component.java:1918)
> at org.jboss.seam.Component.getInstance(Component.java:1913)
> at org.jboss.seam.transaction.Transaction.instance(Transaction.java:36)
> at
> org.nuxeo.ecm.webapp.shield.SeamExceptionHandlingListener.rollbackTransactionIfNecessary(SeamExceptionHandlingListener.java:101)
> at
> org.nuxeo.ecm.webapp.shield.SeamExceptionHandlingListener.startHandling(SeamExceptionHandlingListener.java:89)
> at
> org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionHandler.handleException(NuxeoExceptionHandler.java:103)
> at
> org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.handleException(NuxeoExceptionFilter.java:55)
> at
> org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:64)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> 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:230)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
> at
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at
> org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
> 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:446)
> at java.lang.Thread.run(Thread.java:619)
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