Unexpected shutdown

[Garth Patil <ga...@gmail.com>]

Hi,
I experienced an unexpected shutdown of Tomcat, and haven't been able
to find any similar experiences or explanations in the mailing list
archives.
One of my servers shut down on its own without calling
bin/shutdown.sh. The logs show only the following exception after the
shutdown sequence initiated:
Apr 10, 2006 9:34:44 AM org.apache.coyote.http11.Http11BaseProtocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8080
Apr 10, 2006 9:34:44 AM org.apache.catalina.connector.Connector pause
SEVERE: Protocol handler pause failed
java.net.SocketException: Network is unreachable
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        at java.net.Socket.connect(Socket.java:507)
        at java.net.Socket.connect(Socket.java:457)
        at java.net.Socket.<init>(Socket.java:365)
        at java.net.Socket.<init>(Socket.java:207)
        at org.apache.jk.common.ChannelSocket.unLockSocket(ChannelSocket.java:473)
        at org.apache.jk.common.ChannelSocket.pause(ChannelSocket.java:270)
        at org.apache.jk.server.JkMain.pause(JkMain.java:679)
        at org.apache.jk.server.JkCoyoteHandler.pause(JkCoyoteHandler.java:162)
        at org.apache.catalina.connector.Connector.pause(Connector.java:1031)
        at org.apache.catalina.core.StandardService.stop(StandardService.java:491)
        at org.apache.catalina.core.StandardServer.stop(StandardServer.java:743)
        at org.apache.catalina.startup.Catalina.stop(Catalina.java:601)
        at org.apache.catalina.startup.Catalina$CatalinaShutdownHook.run(Catalina.java:644)

My questions are:
1. What would cause the shutdown sequence to be initiated other that
calling bin/shutdown.sh?
2. Why did the shutdown fail?
3. Has anyone seen a problem like this?

Thanks!
Garth

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