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https://issues.apache.org/jira/browse/OFBIZ-5879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14223790#comment-14223790
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Scott Gray commented on OFBIZ-5879:
-----------------------------------
I'm willing to bet that NPE is caused because the key is null (which FastMap
doesn't allow) and if that's the case then it's an issue with the XML parser
rather than javolution and switching the implementation will merely hide the
problem. Just to be safe I'd suggest adding a null check on groupName until we
can be sure I'm wrong.
This reminds me of a similar issue we saw a while back where some service
engine map configs would randomly be set to null when the configuration was
cached as an XML document model.
> Sometimes, RMIDispatcher cannot be constructed
> ----------------------------------------------
>
> Key: OFBIZ-5879
> URL: https://issues.apache.org/jira/browse/OFBIZ-5879
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Affects Versions: Trunk
> Reporter: Leon
> Assignee: Adrian Crum
>
> sometimes, the ofbiz instance startup failed because following error:
> {quote}
> java.lang.NullPointerException
> at javolution.util.FastMap$Entry.access$302(FastMap.java:1530)
> at javolution.util.FastMap.put(FastMap.java:490)
> at javolution.util.FastMap.put(FastMap.java:453)
> at
> org.ofbiz.service.group.ServiceGroupReader.addGroupDefinitions(ServiceGroupReader.java:79)
> at
> org.ofbiz.service.group.ServiceGroupReader.readConfig(ServiceGroupReader.java:62)
> at
> org.ofbiz.service.ServiceDispatcher.<init>(ServiceDispatcher.java:104)
> at
> org.ofbiz.service.ServiceDispatcher.<init>(ServiceDispatcher.java:151)
> at
> org.ofbiz.service.ServiceDispatcher.getInstance(ServiceDispatcher.java:183)
> at
> org.ofbiz.service.ServiceDispatcher.getLocalDispatcher(ServiceDispatcher.java:162)
> at
> org.ofbiz.service.GenericDispatcherFactory.createLocalDispatcher(GenericDispatcherFactory.java:46)
> at
> org.ofbiz.service.ServiceContainer.getLocalDispatcher(ServiceContainer.java:90)
> at
> org.ofbiz.service.rmi.RmiServiceContainer.start(RmiServiceContainer.java:133)
> at
> org.ofbiz.base.container.ContainerLoader.start(ContainerLoader.java:237)
> at org.ofbiz.base.start.Start.startStartLoaders(Start.java:341)
> at org.ofbiz.base.start.Start.start(Start.java:367)
> at org.ofbiz.base.start.Start.main(Start.java:135)
> 20141110104822705 |Thread-0 |ContainerLoader |I|
> Shutting down containers
> 20141110104822705 |Thread-0 |ContainerLoader |I|
> Stopping container birt-container
> 20141110104822706 |Thread-0 |ContainerLoader |I|
> Stopped container birt-container
> 20141110104822706 |Thread-0 |ContainerLoader |I|
> Stopping container catalina-container
> 20141110104822706 |Thread-0 |ContainerLoader |I|
> Stopped container catalina-container
> 20141110104822706 |Thread-0 |ContainerLoader |I|
> Stopping container rmi-dispatcher
> java.lang.NullPointerException
> at
> org.ofbiz.service.rmi.RmiServiceContainer.stop(RmiServiceContainer.java:176)
> at
> org.ofbiz.base.container.ContainerLoader.unload(ContainerLoader.java:264)
> at org.ofbiz.base.start.Start.shutdownServer(Start.java:317)
> at org.ofbiz.base.start.Start$1.run(Start.java:231)
> {quote}
> Since it's hard to reproduce, and I'm not familiar with the logic behind it,
> I'm unable to figure out what the root cause is.
> Anyone can help?
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