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From Narendra Verma <narendra.ve...@impetus.co.in>
Subject [users@httpd] Reason of dropping connections
Date Tue, 28 Jul 2009 08:59:27 GMT
Hi,

I am facing one problem of dropping connections by apache load balancer.

System environment:

*         Tomcat (As backend servers ) - Apache 2.2.8 load  balancer (Using mod_proxy)

*         Apache server : Perform MPM setting

    StartServers          5

    MinSpareServers       5

    MaxSpareServers      10

    MaxClients          150

    MaxRequestsPerChild   0



*         Max thread at tomcat server 200

Getting error on tomcat server :

WARNING: Error sending end packet
java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at org.apache.jk.common.ChannelSocket.send(ChannelSocket.java:537)
        at org.apache.jk.common.JkInputStream.endMessage(JkInputStream.java:127)
        at org.apache.jk.core.MsgContext.action(MsgContext.java:302)
        at org.apache.coyote.Response.action(Response.java:183)
        at org.apache.coyote.Response.finish(Response.java:305)
        at org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:281)
        at org.apache.catalina.connector.Response.finishResponse(Response.java:478)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:154)
        at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
        at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
        at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
        at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
        at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)

Please any ideas ?

Thanks,
Narendra



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