[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-3984) Problem while serialization of POJO components during session replication

Problem while serialization of POJO components during session replication ------------------------------------------------------------------------- Key: JBSEAM-3984 URL: https://jira.jboss.org/jira/browse/JBSEAM-3984 Project: Seam Issue Type: Bug Components: Core Affects Versions: 2.1.1.GA Environment: Windows Reporter: Marius Oancea Assignee: Norman Richards Fix For: 2.1.2.CR1 Attachments: TransactionInterceptor.java On replication of conversation scoped seam components referencing an stateless EJB you get: 14:23:01,480 ERROR [JBossCacheService] externalizeSession(): exception occurred externalizing session SessionBasedClusteredSession[id: yQ8dwYuawaXaMRejYNyIWA**. node1 lastAccessedTime: 1236169379964 version: 46 lastOutdated: 0] java.io.NotSerializableException: java.lang.reflect.Method at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291) at java.util.HashMap.writeObject(HashMap.java:984) at sun.reflect.GeneratedMethodAccessor153.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:89 0) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:13 33) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.jav a:1284) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java :1369) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:13 41) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.jav a:1284) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291) at java.util.ArrayList.writeObject(ArrayList.java:569) at sun.reflect.GeneratedMethodAccessor154.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:89 0) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:13 33) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.jav a:1284) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java :1369) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:13 41) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.jav a:1284) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291) at java.util.concurrent.ConcurrentHashMap.writeObject(ConcurrentHashMap. Cluster was composed of 2 nodes. Each node on a different machine. I have tryed to follow the hints of http://markmail.org/message/lhf5tsnwczsonp7e#query:Seam%20TransactionMeta... so that i made userTransactionas transient. After this change, all started to work.