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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 43553] New: - mod_jk 1.2.25 - Implement fail_on_status for workers inside mounts
Date Thu, 04 Oct 2007 16:26:26 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=43553

           Summary: mod_jk 1.2.25 - Implement fail_on_status for workers
                    inside mounts
           Product: Tomcat 5
           Version: Unknown
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Connector:AJP
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: james_masson@yahoo.com


Hi,

this is from a conversation I had on tomcat-users with Rainer on 4th Oct 2007

I'd like to see a per-mount fail_on_status directive in mod_jk

What happens currently with mod_jk 1.2.25:

Currently, an entire worker gets dropped when the fail_on_status directive is
triggered.

Consider this example environment:

1x mod_jk apache instance
4x Tomcat server, each configured identically, running the same 6 web-apps

With mod_jk set up as per the documentation, if I used fail_on_status, and it
activated, a entire tomcat instance would be disabled. This takes out 5
perfectly functioning web-apps on the disabled server.

A scenario could occur where 1 buggy web-app takes out the entire cluster, where
the other 5 applications function perfectly.

The ideal:

Treat fail_on_status as per mount - so only single web-apps on a particular
tomcat worker get taken out when it activates.

Thanks for you efforts. If you need any help with testing, I have a few large
multi-platform Tomcat farms.

regards

James Masson

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