protocol handler pause failed

[Richard Sayre]

Hi,

Lately in my production environment I am getting "URL is unavailable"
in my browser when I try to hit the site.

I found the following in the catalina.log file:

SEVERE: Protocol handler pause failed
java.net.ConnectException: Connection refused: connect
        at java.net.PlainSocketImpl.$$YJP$$socketConnect(Native Method)
        at java.net.PlainSocketImpl.socketConnect(Unknown Source)
        at java.net.PlainSocketImpl.doConnect(Unknown Source)
        at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at 
org.apache.jk.common.ChannelSocket.unLockSocket(ChannelSocket.java:486)
        at org.apache.jk.common.ChannelSocket.pause(ChannelSocket.java:283)
        at org.apache.jk.server.JkMain.pause(JkMain.java:681)
        at org.apache.jk.server.JkCoyoteHandler.pause(JkCoyoteHandler.java:153)
        at org.apache.catalina.connector.Connector.pause(Connector.java:1073)
        at 
org.apache.catalina.core.StandardService.stop(StandardService.java:563)
        at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
        at org.apache.catalina.startup.Catalina.stop(Catalina.java:628)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:603)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

I searched Google and couldn't find anyone with a similar situation as
mine.  When the error occurs I restart Tomcat and it starts working
again.  I am using Tomcat 6.0.14.

Any suggestions?

Thanks,

Rich

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