Hi. I got NullPoinerException in LRUPolicy in two machine cluster
this happens when
(I am runnin JBOSS TreeCache 1.2.2)
1) Machine A is up running.
2) there are request to cluster, the cache is deing updated.
3) In the middler Machine B is restarted.
The excepption happens duing machine B's startup.
The policy config is as follows:
org.jboss.cache.eviction.LRUPolicy
10
<!-- Cache wide default -->
20000
0
0
<!-- All sessions -->
20000
7200
0
Here is the log:
2006-02-17 11:35:23,248 63629 INFO [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
transient state: 1051057 bytes
2006-02-17 11:35:23,248 63629 INFO [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
setting transient state
2006-02-17 11:35:24,388 64769 INFO [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
locking the old tree
2006-02-17 11:35:24,394 64775 INFO [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
locking the old tree was successful
2006-02-17 11:35:24,394 64775 INFO [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
setting the transient state was successful
2006-02-17 11:35:24,475 64856 ERROR [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
failed setting transient state
java.lang.NullPointerException
at org.jboss.cache.eviction.LRUPolicy.nodeAdded(LRUPolicy.java:55)
at org.jboss.cache.eviction.LRUPolicy.nodeCreated(LRUPolicy.java:93)
at org.jboss.cache.TreeCache.notifyNodeCreated(TreeCache.java:3167)
at org.jboss.cache.TreeCache.notifyAllNodesCreated(TreeCache.java:3219)
at
org.jboss.cache.TreeCache$MessageListenerAdaptor._setState(TreeCache.java:2932)
at
org.jboss.cache.TreeCache$MessageListenerAdaptor.setState(TreeCache.java:2871)
at
org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.passUp(MessageDispatcher.java:614)
at
org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:331)
at
org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.handleUp(MessageDispatcher.java:722)
at
org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.access$300(MessageDispatcher.java:554)
at
org.jgroups.blocks.MessageDispatcher$ProtocolAdapter$1.run(MessageDispatcher.java:691)
at java.lang.Thread.run(Thread.java:595)
2006-02-17 11:35:24,479 64860 INFO [org.jboss.cache.TreeCache]
(MessageDispatcher up processing thread:)
forcing release of all locks in old tree
2006-02-17 11:35:24,501 64882 INFO [org.jboss.cache.TreeCache]
(main:jboss.cache:service=SessionCache TreeCache) state was retrieved
successfully (in 2623 milliseconds)
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