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Posted to users@tomcat.apache.org by Mario Neè <ma...@pharmaidea.com> on 2004/09/21 10:03:17 UTC

waitForAck bug ?

Hello,
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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Re: Sybase

Posted by QM <qm...@brandxdev.net>.
On Tue, Sep 21, 2004 at 10:12:38AM +0200, Marek W?jtowicz wrote:
: Do you know if there is A "howto Linux+Tomcat+Apache httpd+ Sybase" in 
: the net?

1/ please post a *new* message when writing to the list.  Replying to
an old (unrelated) message confuses thread-aware mailers, which makes
your question harder to find (and thus answer).

2/ There are myriad Apache/Linux/Tomcat tutorials out there.  Check with
Sybase to determine what JDBC they offer and whether they're stable.

-QM

-- 

software  -- http://www.brandxdev.net
tech news -- http://www.RoarNetworX.com


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Sybase

Posted by Marek Wójtowicz <ma...@wp.pl>.
Hello,
Do you know if there is A "howto Linux+Tomcat+Apache httpd+ Sybase" in 
the net?

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