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http://issues.apache.org/bugzilla/show_bug.cgi?id=44290

           Summary: mod_jk/1.2.26: retry is not useful for an important use
                    case
           Product: Tomcat 5
           Version: 5.5.5
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Connector:AJP
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


I am running mod_jk/1.2.26 on a front end server talking to a group of tomcats
running on solaris boxes at the back end.

The other day one of the Solaris boxes froze, leaving the network connection to
the switch up. mod_jk failed to notice that the tomcats on this box were down
and kept sending requests.

We can reproduce this consistently: if we halt the box, mod_jk does not notice
that the tomcat is down. On one occasion we waited more than one hour, and still
requests were being sent to the dead tomcat.

mod_jk has lots of options for setting timeouts, but none of them seem to deal
with this use case.

On Linux, we can workaround this by setting the mod_jk socket_timeout however
this setting is not supported on solaris. It would be nice to offer a workaround
on this platform to make failure monitoring useful.

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