[jboss-user] [Clustering/JBoss] - org.jboss.serial.exception.SerializationException in JBoss4

Hi, Im am running a JBoss4.0.5 cluster with two nodes. After some time of inactivity I keep having the following exception 2007-05-24 15:58:12,810 ERROR [STDERR] java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: org.jboss.serial.exception.SerializationException: Could not create instance of oracle.jdbc.driver.T2CConnection - oracle.jdbc.driver.T2CConnection 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5526) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.TreeCache.evict(TreeCache.java:3716) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.eviction.BaseEvictionPolicy.evict(BaseEvictionPolicy.java:34) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.eviction.BaseEvictionAlgorithm.evictCacheNode(BaseEvictionAlgorithm.java:210) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.eviction.BaseEvictionAlgorithm.emptyRecycleQueue(BaseEvictionAlgorithm.java:461) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.eviction.BaseEvictionAlgorithm.process(BaseEvictionAlgorithm.java:97) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.eviction.EvictionTimerTask.run(EvictionTimerTask.java:80) 2007-05-24 15:58:12,811 ERROR [STDERR] at java.util.TimerThread.mainLoop(Timer.java:512) 2007-05-24 15:58:12,811 ERROR [STDERR] at java.util.TimerThread.run(Timer.java:462) 2007-05-24 15:58:12,811 ERROR [STDERR] Caused by: java.lang.RuntimeException: java.lang.RuntimeException: org.jboss.serial.exception.SerializationException: Could not create instance of oracle.jdbc.driver.T2CConnection - oracle.jdbc.driver.T2CConnection 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.prePassivate(LifecycleInterceptorHandler.java:169) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulContainer.invokePrePassivate(StatefulContainer.java:382) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulBeanContext.prePassivate(StatefulBeanContext.java:178) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.ejb3.cache.tree.StatefulTreeCache$ClusteredStatefulCacheListener.nodePassivate(StatefulTreeCache.java:288) 2007-05-24 15:58:12,811 ERROR [STDERR] at org.jboss.cache.TreeCache.notifyNodePassivate(TreeCache.java:5739) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.interceptors.PassivationInterceptor.invoke(PassivationInterceptor.java:62) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.interceptors.TxInterceptor.handleNonTxMethod(TxInterceptor.java:345) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.interceptors.TxInterceptor.invoke(TxInterceptor.java:156) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.interceptors.CacheMgmtInterceptor.invoke(CacheMgmtInterceptor.java:179) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5520) 2007-05-24 15:58:12,812 ERROR [STDERR] ... 8 more 2007-05-24 15:58:12,812 ERROR [STDERR] Caused by: java.lang.RuntimeException: org.jboss.serial.exception.SerializationException: Could not create instance of oracle.jdbc.driver.T2CConnection - oracle.jdbc.driver.T2CConnection 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulBeanContext.extractBeanAndInterceptors(StatefulBeanContext.java:367) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulBeanContext.getInterceptorInstances(StatefulBeanContext.java:333) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.ejb3.interceptor.LifecycleInvocationContextImpl.getLifecycleInvocationContext(LifecycleInvocationContextImpl.java:65) 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.prePassivate(LifecycleInterceptorHandler.java:160) 2007-05-24 15:58:12,812 ERROR [STDERR] ... 19 more 2007-05-24 15:58:12,812 ERROR [STDERR] Caused by: org.jboss.serial.exception.SerializationException: Could not create instance of oracle.jdbc.driver.T2CConnection - oracle.jdbc.driver.T2CConnection 2007-05-24 15:58:12,812 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetaData.newInstance(ClassMetaData.java:342) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:239) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:412) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:82) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectInput.readObject(DataContainer.java:643) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.readSlotWithFields(RegularObjectPersister.java:353) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:273) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:412) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:82) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectInput.readObject(DataContainer.java:643) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.persister.ArrayPersister.readObjectArray(ArrayPersister.java:196) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.persister.ArrayPersister.readData(ArrayPersister.java:172) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:412) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:82) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectInput.readObject(DataContainer.java:643) 2007-05-24 15:58:12,813 ERROR [STDERR] at org.jboss.serial.io.JBossObjectInputStream.readObjectOverride(JBossObjectInputStream.java:163) 2007-05-24 15:58:12,814 ERROR [STDERR] at java.io.ObjectInputStream.readObject(ObjectInputStream.java:345) 2007-05-24 15:58:12,814 ERROR [STDERR] at org.jboss.serial.io.MarshalledObject.get(MarshalledObject.java:68) 2007-05-24 15:58:12,814 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulBeanContext.extractBeanAndInterceptors(StatefulBeanContext.java:342) 2007-05-24 15:58:12,814 ERROR [STDERR] ... 22 more 2007-05-24 15:58:12,814 ERROR [STDERR] Caused by: java.lang.InstantiationException: oracle.jdbc.driver.T2CConnection 2007-05-24 15:58:12,814 ERROR [STDERR] at java.lang.Class.newInstance0(Class.java:340) 2007-05-24 15:58:12,814 ERROR [STDERR] at java.lang.Class.newInstance(Class.java:308) 2007-05-24 15:58:12,814 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetaData.newInstance(ClassMetaData.java:334) 2007-05-24 15:58:12,814 ERROR [STDERR] ... 41 more I have an oracle datasource defined on both nodes: <local-tx-datasource> <jndi-name>idmDS</jndi-name> <connection-url>jdbc:oracle:oci:@zhig1t20</connection-url> <!-- Here are a couple of the possible OCI configurations. For more information, see http://otn.oracle.com/docs/products/oracle9i/doc_library/release2/java.92... <connection-url>jdbc:oracle:oci:@youroracle-tns-name</connection-url> or <connection-url>jdbc:oracle:oci:@(description=(address=(host=youroraclehost)(protocol=tcp)(port=1521))(connect_data=(SERVICE_NAME=yourservicename)))</connection-url> Clearly, its better to have TNS set up properly. --> <driver-class>oracle.jdbc.driver.OracleDriver</driver-class> <!-- <user-name>IDM16W</user-name> --> <user-name>XXXX</user-name> YYYY <min-pool-size>1</min-pool-size> <max-pool-size>10</max-pool-size> <idle-timeout-minutes>40</idle-timeout-minutes> <!-- Uses the pingDatabase method to check a connection is still valid before handing it out from the pool --> <!--valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleValidConnectionChecker</valid-connection-checker-class-name--> <!-- Checks the Oracle error codes and messages for fatal errors --> <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name> <!-- sql to call when connection is created <new-connection-sql>some arbitrary sql</new-connection-sql> --> <!-- sql to call on an existing pooled connection when it is obtained from pool - the OracleValidConnectionChecker is prefered <check-valid-connection-sql>some arbitrary sql</check-valid-connection-sql> --> <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) --> <type-mapping>Oracle10i</type-mapping> </local-tx-datasource> Any idea what this exception means? 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