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https://issues.jboss.org/browse/WELD-831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12576379#comment-12576379
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Pete Muir commented on WELD-831:
--------------------------------
Please test with trunk of AS6, this was fixed in Weld 1.1.0.Final I think.
> Weld throws an NPE thrown during failover between to jboss servers
> ------------------------------------------------------------------
>
> Key: WELD-831
> URL: https://issues.jboss.org/browse/WELD-831
> Project: Weld
> Issue Type: Feature Request
> Environment: OS: MS Windows (XP)
> AS: Jboss 6.0.0 Final
> JDK: 1.6.0_23 (sun/oracle jdk)
> Reporter: Fin Steenbjerg
> Attachments: clusteredcdi.ear
>
>
> In a two node jboss environment a failover throws an exception (see
> description in the forum reference):
> 2011-01-18 20:55:13,222 ERROR
> [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/clusteredcdi.web]]
> (ajp-127.0.0.1-8209-1) Exception sending request initialized lifecycle event
> to listener instance of class org.jboss.weld.servlet.WeldListener:
> java.lang.NullPointerException
> at
> org.jboss.weld.context.ForwardingContextual.toString(ForwardingContextual.java:52)
> [:6.0.0.Final]
> at java.lang.String.valueOf(String.java:2826) [:1.6.0_23]
> at java.lang.StringBuilder.append(StringBuilder.java:115) [:1.6.0_23]
> at
> org.jboss.weld.context.SerializableContextualInstanceImpl.toString(SerializableContextualInstanceImpl.java:67)
> [:6.0.0.Final]
> at java.lang.String.valueOf(String.java:2826) [:1.6.0_23]
> at java.lang.StringBuilder.append(StringBuilder.java:115) [:1.6.0_23]
> at
> org.jboss.weld.context.beanstore.AttributeBeanStore.attach(AttributeBeanStore.java:120)
> [:6.0.0.Final]
> at
> org.jboss.weld.context.AbstractBoundContext.activate(AbstractBoundContext.java:75)
> [:6.0.0.Final]
> at
> org.jboss.weld.servlet.WeldListener.requestInitialized(WeldListener.java:161)
> [:6.0.0.Final]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:180)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.service.session.ClusteredSessionValve.handleRequest(ClusteredSessionValve.java:135)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.service.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:94)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.service.session.JvmRouteValve.invoke(JvmRouteValve.java:88)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.service.session.LockingValve.invoke(LockingValve.java:62)
> [:6.0.0.Final]
> at
> org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
> [:1.1.0.Final]
> at
> org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
> [:1.1.0.Final]
> at
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
> [:6.0.0.Final]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> [:6.0.0.Final]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
> [:6.0.0.Final]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> [:6.0.0.Final]
> at
> org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
> [:6.0.0.Final]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
> [:6.0.0.Final]
> at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:504)
> [:6.0.0.Final]
> at
> org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:437)
> [:6.0.0.Final]
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
> [:6.0.0.Final]
> at java.lang.Thread.run(Thread.java:662) [:1.6.0_23]
> Steps to Reproduce:
> I have attached an ear file containing a single war module. Inside this war
> module there is a single class named Pojo (the source is there too) and a
> single xhtml page which uses the pojo class via CDI. It's very simple. (I
> have added a servlet filter that prints the session attributes for each
> request - but that can be removed if it is not wanted).
> Test Setup
> The jboss setup to use in order reproduce the problem is as follows:
> 1. A single Jboss installation with two server configurations called node01
> and node02 (these are both copies of the all configuration)
> 2. An apache server in front of the two jboss nodes. The apache uses
> mod_cluster plugin.
> 3. The setup is started with the following script (sorry it is for ms
> windows):
> start %~dp0..\..\apache-2.2\bin\httpd.exe
> && sleep 10
> && start %~dp0run.bat -c node01 -Djboss.jvmRoute=node01
> -Djboss.mod_cluster.proxyList=127.0.0.1:6666
> -Djboss.mod_cluster.excludedContexts=ROOT
> -Djboss.service.binding.set=ports-01
> && sleep 10&& start %~dp0run.bat -c node02 -Djboss.jvmRoute=node02
> -Djboss.mod_cluster.proxyList=127.0.0.1:6666
> -Djboss.mod_cluster.excludedContexts=ROOT -Djboss.service.binding.set=ports-02
> && sleep 45
> && start http://localhost:8080/mod_cluster-manager
> 4. Deploy the the clusteredcdi.ear file to farm folder belonging to one of
> the jboss configurations being used.
> Test execution
> 1. Make a request via the apache server
> http://localhost:8080/clusteredcdi.web/faces/pages/cdi.xhtml
> 2. Enter something into the form and submit via the "set new value" button.
> 3. Kill the jboss server process that handled the request
> 4. Refresh the browser window in which the request above was submitted.
> 5. The error occurs.
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