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http://issues.apache.org/bugzilla/show_bug.cgi?id=31328 DeltaRequest unable to handle two concurrent requests per session ------- Additional Comments From [EMAIL PROTECTED] 2004-09-21 18:33 ------- Yes, you are right. We have a cluster in production and every now and then a user doesn't wait for a request to complete and instead sends the same request again. Once a day it happens, that these two identical requests end only a few milliseconds away from each other. Then we get the following exception on the receiving side of replication, which indicates, that the replication packet is corrupt. Filip: I know that your opinion is to not support parallel access to a session. On the other hand it happens very quickly in reality, so at least we should make sure, that we don't break the session. I didn't go deeper into the code, so I'm not sure, how much work synchronization would be. ERROR [org.apache.catalina.cluster.tcp.TcpReplicationThread[1]] (DeltaManager.java:912) - Unable to receive message through TCP channel java.io.EOFException at java.io.DataInputStream.readInt(DataInputStream.java:448) at java.io.ObjectInputStream$BlockDataInputStream.readInt(ObjectInputStream.java:2657) at java.io.ObjectInputStream.readInt(ObjectInputStream.java:900) at org.apache.catalina.cluster.session.DeltaRequest$AttributeInfo.readExternal(DeltaRequest.java:285) at org.apache.catalina.cluster.session.DeltaRequest.readExternal(DeltaRequest.java:200) at org.apache.catalina.cluster.session.DeltaManager.loadDeltaRequest(DeltaManager.java:385) at org.apache.catalina.cluster.session.DeltaManager.messageReceived(DeltaManager.java:898) at org.apache.catalina.cluster.session.DeltaManager.messageDataReceived(DeltaManager.java:762) at org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived(SimpleTcpCluster.java:576) at org.apache.catalina.cluster.io.ObjectReader.execute(ObjectReader.java:70) at org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpReplicationThread.java:129) at org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationThread.java:67) --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
