Details
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Bug
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Resolution: Obsolete
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Medium
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2.3, 2.4, 2.5, 2.7, 2.8, 2.9, 3.0, 5.1.5
Description
When a node of a cluster starts it first fires up a cluster service and then initializes plugin subsystem. It means that for a period of time between the start up of the cluster service and initialization of plugin sysbsystem ( ConfluencePluginManager ) cluster does not have access to plugin classes. If during this interval a distributed cache was updated with class from a plugin on a different node and update was received we get ClassNotFoundException
2008-07-18 14:20:52,358 ERROR [Logger@9247854 3.3.1/389] [Coherence] log 2008-07-18 14:20:52.332 Oracle Coherence GE 3.3.1/389 <Error> (thread=ReplicatedCache, member=3): java.io.IOException: readObject failed: java.lang.ClassNotFoundException: com.atlassian.confluence.extra.jira.CacheKey at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1362) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1208) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:585) at com.tangosol.io.ResolvingObjectInputStream.resolveClass(ResolvingObjectInputStream.java:68) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1544) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1466) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1699) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348) at com.tangosol.util.ExternalizableHelper.readSerializable(ExternalizableHelper.java:2084) at com.tangosol.util.ExternalizableHelper.readObject(ExternalizableHelper.java:2202) at com.tangosol.coherence.component.net.Message.readObject(Message.CDB:3) at com.tangosol.coherence.component.util.CacheHandler.populateCache(CacheHandler.CDB:23) at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ReplicatedCache$CacheUpdate.onReceived(ReplicatedCache.CDB:5) at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.onMessage(Service.CDB:9) at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.onNotify(Service.CDB:123) at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ReplicatedCache.onNotify(ReplicatedCache.CDB:3) at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:35) at java.lang.Thread.run(Thread.java:613) ClassLoader: com.atlassian.plugin.classloader.DelegationClassLoader@9ed2e4 at com.tangosol.util.ExternalizableHelper.readSerializable(ExternalizableHelper.java:2092) at com.tangosol.util.ExternalizableHelper.readObject(ExternalizableHelper.java:2202) at com.tangosol.coherence.component.net.Message.readObject(Message.CDB:3) at com.tangosol.coherence.component.util.CacheHandler.populateCache(CacheHandler.CDB:23) at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ReplicatedCache$CacheUpdate.onReceived(ReplicatedCache.CDB:5) at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.onMessage(Service.CDB:9) at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.onNotify(Service.CDB:123) at com.tangosol.coherence.component.util.daemon.queueProcessor.service.ReplicatedCache.onNotify(ReplicatedCache.CDB:3) at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:35) at java.lang.Thread.run(Thread.java:613)
Steps to reproduce:
1. start node1
2. access a page on node1 with a jira issues macro (wait until issues are loaded)
3. start node2 and observe the exception in the log file.