When i start the JBoss AS7 with my war file it shows some error  logs of JGroups which follows

Sender was 192.168.1.136:58214

16:52:46,576 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.136:58214

16:52:57,571 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.136:58214

16:52:58,573 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.136:58214

16:53:08,240 ERROR [org.jgroups.util.TimeScheduler] (Timer-3,EH_CACHE,192.168.1.123:55570) failed running task org.jgroups.protocols.pbcast.STABLE$StableTask@2d52cf34: java.lang.NoClassDefFoundError: org/jgroups/protocols/pbcast/STABLE$1

  at org.jgroups.protocols.pbcast.STABLE.sendStableMessage(STABLE.java:640) [jgroups-all.jar:2.6.5.GA]

  at org.jgroups.protocols.pbcast.STABLE.access$1000(STABLE.java:32) [jgroups-all.jar:2.6.5.GA]

  at org.jgroups.protocols.pbcast.STABLE$StableTask.run(STABLE.java:808) [jgroups-all.jar:2.6.5.GA]

  at org.jgroups.util.TimeScheduler$TaskWrapper.run(TimeScheduler.java:219) [jgroups-all.jar:2.6.5.GA]

  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) [rt.jar:1.6.0_37]

  at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [rt.jar:1.6.0_37]

  at java.util.concurrent.FutureTask.run(FutureTask.java:138) [rt.jar:1.6.0_37]

  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98) [rt.jar:1.6.0_37]

  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206) [rt.jar:1.6.0_37]

  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_37]

  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_37]

  at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_37]

16:53:12,474 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.132:57301

16:53:18,671 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.130:62210

16:53:21,505 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.136:58214

16:53:22,463 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.136:58214

16:53:35,425 WARN  [org.jgroups.protocols.UDP] (OOB-7,EH_CACHE,192.168.1.123:55570) discarded message from different group "1" (our group is "EH_CACHE"). Sender was 192.168.1.130:62210