when Tomcat tryes to replicate a heavy session it returns the page and starts the replication of the session. During this operation the console shows this error :
org.apache.catalina.cluster.tcp.SocketSender waitForAck
WARNING: Wasn't able to read acknowledgement from server[/192.168.1.10:4001] in 15000 ms. Disconnecting socket, and tryingagain.
followed by :
org.apache.catalina.cluster.tcp.ReplicationTransmitter sendMessageData
WARNING: Unable to send replicated message, is server down?
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.net.SocketInputStream.read(SocketInputStream.java:182)
at org.apache.catalina.cluster.tcp.SocketSender.waitForAck(SocketSender.java:134)
at org.apache.catalina.cluster.tcp.SocketSender.sendMessage(SocketSender.java:125)
at org.apache.catalina.cluster.tcp.PooledSocketSender.sendMessage(PooledSocketSender.java:119)
at org.apache.catalina.cluster.tcp.ReplicationTransmitter.sendMessageData(ReplicationTransmitter.java:117)
at org.apache.catalina.cluster.tcp.ReplicationTransmitter.sendMessage(ReplicationTransmitter.java:149)
at org.apache.catalina.cluster.tcp.SimpleTcpCluster.send(SimpleTcpCluster.java:461)
at org.apache.catalina.cluster.tcp.SimpleTcpCluster.send(SimpleTcpCluster.java:469)
at org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:207)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
is it a Tomcat bug ?
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