When I start Jboss 4.0.4, it keep throwing UDP exceptions. However, it never happened before. Do you know what is root cause? There is also some issue about the naming server port: 1099. When I use program to check the port 1099, it always return true even the JBoss is not up yet. I am not sure they are relative.


2008-12-10 10:27:57,311 WARN [org.jgroups.protocols.UDP] packet from /193.32.21.76:32793 has different version (
") from ours (0227). This may cause problems
2008-12-10 10:27:57,311 ERROR [org.jgroups.protocols.UDP] exception=java.io.StreamCorruptedException: invalid stream header
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:764)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:277)
at org.jgroups.protocols.UDP.handleIncomingUdpPacket(UDP.java:670)
at org.jgroups.protocols.UDP$IncomingPacketHandler.run(UDP.java:1332)
at java.lang.Thread.run(Thread.java:595)