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May 20, 2011 3:33:29 PM org.apache.catalina.ha.session.DeltaManager messageReceived
SCHWERWIEGEND: Manager []: Unable to receive message through TCP channel
java.lang.ClassNotFoundException: com.mgmtp.lidl.portlets.master_data.MasterDataSession
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:247)
        at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:603)
        at org.apache.catalina.tribes.io.ReplicationStream.resolveClass(ReplicationStream.java:78)
        at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1574)
        at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
        at org.apache.catalina.ha.session.DeltaRequest$AttributeInfo.readExternal(DeltaRequest.java:361)
        at org.apache.catalina.ha.session.DeltaRequest.readExternal(DeltaRequest.java:255)
        at org.apache.catalina.ha.session.DeltaManager.deserializeDeltaRequest(DeltaManager.java:697)
        at org.apache.catalina.ha.session.DeltaManager.handleSESSION_DELTA(DeltaManager.java:1509)
        at org.apache.catalina.ha.session.DeltaManager.messageReceived(DeltaManager.java:1460)
        at org.apache.catalina.ha.session.DeltaManager.messageDataReceived(DeltaManager.java:1173)
        at org.apache.catalina.ha.session.ClusterSessionListener.messageReceived(ClusterSessionListener.java:92)
        at org.apache.catalina.ha.tcp.SimpleTcpCluster.messageReceived(SimpleTcpCluster.java:901)
        at org.apache.catalina.ha.tcp.SimpleTcpCluster.messageReceived(SimpleTcpCluster.java:882)
        at org.apache.catalina.tribes.group.GroupChannel.messageReceived(GroupChannel.java:269)
        at org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:79)
        at org.apache.catalina.tribes.group.interceptors.TcpFailureDetector.messageReceived(TcpFailureDetector.java:110)
        at org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:79)
        at org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:79)
        at org.apache.catalina.tribes.group.interceptors.ThroughputInterceptor.messageReceived(ThroughputInterceptor.java:86)
        at org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:79)
        at org.apache.catalina.tribes.group.ChannelCoordinator.messageReceived(ChannelCoordinator.java:241)
        at org.apache.catalina.tribes.transport.ReceiverBase.messageDataReceived(ReceiverBase.java:225)
        at org.apache.catalina.tribes.transport.nio.NioReplicationTask.drainChannel(NioReplicationTask.java:188)
        at org.apache.catalina.tribes.transport.nio.NioReplicationTask.run(NioReplicationTask.java:91)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)