[jboss-user] [EJB 3.0] - SFSB cache runtime exceptions on an idle system

[osc3]

Hi,

we are using JBoss 4.0.5.GA (from jems-installer-1.2.0.CR1.jar in the ejb3-cluster configuration).
Our application contains a SFSB. After the application is deployed and used in a 2-node cluster) for about 10 minutes, we see these messages in the server.log even when the system is idle:

2006-11-30 17:12:13,947 ERROR [STDERR] java.lang.RuntimeException: java.lang.RuntimeException: java.lang.IllegalStateException: StatefuleTreeCache.nodeActivate(): null bean instance.
  | 2006-11-30 17:12:13,963 ERROR [STDERR] 	at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5526)
  | 2006-11-30 17:12:13,963 ERROR [STDERR] 	at org.jboss.cache.TreeCache.evict(TreeCache.java:3716)
  | 2006-11-30 17:12:13,978 ERROR [STDERR] 	at org.jboss.cache.eviction.BaseEvictionPolicy.evict(BaseEvictionPolicy.java:34)
  | 2006-11-30 17:12:13,978 ERROR [STDERR] 	at org.jboss.cache.eviction.BaseEvictionAlgorithm.evictCacheNode(BaseEvictionAlgorithm.java:210)
  | 2006-11-30 17:12:13,994 ERROR [STDERR] 	at org.jboss.cache.eviction.LRUAlgorithm.evict(LRUAlgorithm.java:90)
  | 2006-11-30 17:12:13,994 ERROR [STDERR] 	at org.jboss.cache.eviction.LRUAlgorithm.prune(LRUAlgorithm.java:121)
  | 2006-11-30 17:12:14,010 ERROR [STDERR] 	at org.jboss.cache.eviction.BaseEvictionAlgorithm.process(BaseEvictionAlgorithm.java:98)
  | 2006-11-30 17:12:14,010 ERROR [STDERR] 	at org.jboss.cache.eviction.EvictionTimerTask.run(EvictionTimerTask.java:80)
  | 2006-11-30 17:12:14,010 ERROR [STDERR] 	at java.util.TimerThread.mainLoop(Timer.java:512)
  | 2006-11-30 17:12:14,025 ERROR [STDERR] 	at java.util.TimerThread.run(Timer.java:462)
  | 2006-11-30 17:12:14,025 ERROR [STDERR] Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: StatefuleTreeCache.nodeActivate(): null bean instance.
  | 2006-11-30 17:12:14,041 ERROR [STDERR] 	at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5526)
  | 2006-11-30 17:12:14,041 ERROR [STDERR] 	at org.jboss.cache.TreeCache.get(TreeCache.java:3367)
  | 2006-11-30 17:12:14,057 ERROR [STDERR] 	at org.jboss.ejb3.cache.tree.StatefulTreeCache$ClusteredStatefulCacheListener.nodePassivate(StatefulTreeCache.java:285)
  | 2006-11-30 17:12:14,057 ERROR [STDERR] 	at org.jboss.cache.TreeCache.notifyNodePassivate(TreeCache.java:5739)
  | 2006-11-30 17:12:14,072 ERROR [STDERR] 	at org.jboss.cache.interceptors.PassivationInterceptor.invoke(PassivationInterceptor.java:62)
  | 2006-11-30 17:12:14,072 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,072 ERROR [STDERR] 	at org.jboss.cache.interceptors.TxInterceptor.handleNonTxMethod(TxInterceptor.java:345)
  | 2006-11-30 17:12:14,088 ERROR [STDERR] 	at org.jboss.cache.interceptors.TxInterceptor.invoke(TxInterceptor.java:156)
  | 2006-11-30 17:12:14,088 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,103 ERROR [STDERR] 	at org.jboss.cache.interceptors.CacheMgmtInterceptor.invoke(CacheMgmtInterceptor.java:179)
  | 2006-11-30 17:12:14,150 ERROR [STDERR] 	at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5520)
  | 2006-11-30 17:12:14,166 ERROR [STDERR] 	... 9 more
  | 2006-11-30 17:12:14,166 ERROR [STDERR] Caused by: java.lang.IllegalStateException: StatefuleTreeCache.nodeActivate(): null bean instance.
  | 2006-11-30 17:12:14,182 ERROR [STDERR] 	at org.jboss.ejb3.cache.tree.StatefulTreeCache$ClusteredStatefulCacheListener.nodeActivate(StatefulTreeCache.java:266)
  | 2006-11-30 17:12:14,182 ERROR [STDERR] 	at org.jboss.cache.TreeCache.notifyNodeActivate(TreeCache.java:5714)
  | 2006-11-30 17:12:14,197 ERROR [STDERR] 	at org.jboss.cache.interceptors.ActivationInterceptor.remove(ActivationInterceptor.java:162)
  | 2006-11-30 17:12:14,197 ERROR [STDERR] 	at org.jboss.cache.interceptors.ActivationInterceptor.invoke(ActivationInterceptor.java:152)
  | 2006-11-30 17:12:14,213 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,213 ERROR [STDERR] 	at org.jboss.cache.interceptors.UnlockInterceptor.invoke(UnlockInterceptor.java:32)
  | 2006-11-30 17:12:14,213 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,228 ERROR [STDERR] 	at org.jboss.cache.interceptors.ReplicationInterceptor.invoke(ReplicationInterceptor.java:34)
  | 2006-11-30 17:12:14,244 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,244 ERROR [STDERR] 	at org.jboss.cache.interceptors.PassivationInterceptor.invoke(PassivationInterceptor.java:69)
  | 2006-11-30 17:12:14,260 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,260 ERROR [STDERR] 	at org.jboss.cache.interceptors.TxInterceptor.handleNonTxMethod(TxInterceptor.java:345)
  | 2006-11-30 17:12:14,275 ERROR [STDERR] 	at org.jboss.cache.interceptors.TxInterceptor.invoke(TxInterceptor.java:156)
  | 2006-11-30 17:12:14,275 ERROR [STDERR] 	at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
  | 2006-11-30 17:12:14,275 ERROR [STDERR] 	at org.jboss.cache.interceptors.CacheMgmtInterceptor.invoke(CacheMgmtInterceptor.java:183)
  | 2006-11-30 17:12:14,291 ERROR [STDERR] 	at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5520)
  | 2006-11-30 17:12:14,291 ERROR [STDERR] 	... 19 more
  | 

This message repeats every 5 seconds (or whatever is configured for wakeUpIntervalSeconds in ejb3-clustered-sfsbcache-service.xml)

What causes this message and how can this be stopped ?

Regards,
Olaf



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