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Posted to dev@tomcat.apache.org by bu...@apache.org on 2006/01/20 09:54:25 UTC

DO NOT REPLY [Bug 38329] New: - isapi_redirect.dll returns application not available when application stopped in Manager

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           Summary: isapi_redirect.dll returns application not available
                    when application stopped in Manager
           Product: Tomcat 5
           Version: 5.5.7
          Platform: PC
        OS/Version: Windows Server 2003
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Connector:AJP
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: ksaye@saye.org


When using the load balancer worker and on one of the clustered host the 
application is stopped (via Manager or the like) isapi_redirect.dll (version 
1.2.15) will return application unavailable.

I would like to suggest an enhancement that isapi_redirect.dll check other 
host in the worker.list before returning this message.

Kevin

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DO NOT REPLY [Bug 38329] - isapi_redirect.dll returns application not available when application stopped in Manager

Posted by bu...@apache.org.
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------- Additional Comments From mturk@apache.org  2006-01-21 16:42 -------
You have been clean enough :)

That's why we have status worker, so you can manage
load banacer members. You can put the desired node either
as 'disabled' meaning existing sessions will be preserved,
or 'stopped' for immediate exclusing of the node.

Please use dev list for those kind of discussions, cause it clearly
this is not an bug.

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DO NOT REPLY [Bug 38329] - isapi_redirect.dll returns application not available when application stopped in Manager

Posted by bu...@apache.org.
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rainer.jung@kippdata.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED
          Component|Connector:AJP               |Native:JK




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DO NOT REPLY [Bug 38329] - isapi_redirect.dll returns application not available when application stopped in Manager

Posted by bu...@apache.org.
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------- Additional Comments From ksaye@saye.org  2006-01-21 15:37 -------
Mladen,
  I suspect I am not being clear.  In the http://127.0.0.1:8080/manager I do 
not see a disable.  Let me try to explain differently.

  Imaging the setup where you have 2 IIS servers (web1 and web2), each using 
isapi_redirect.dll to communicate to 2 Tomcat servers (TC1 and TC2).  web1 has 
a higher lbfactor to TC1 and web2 has a higher lbfactor to TC2.  All is good 
and evenly balanced.  Both TC servers house an application 
called /application1.
  Now you decide you want to "stop" /application1 on TC1 to do some work.  You 
use manager (http://TC1:8080/manager) to stop the applicaiton and do some 
work.  At this point, web1 still sees that TC1 is up and answering on 8009.  
TC1 is also serving content - in the form of an HTML page stating "Application 
Unavailable".
  What I am suggesting is that isapi_redirect.dll on web1 detect 
the "Application Unavailable" message and fail over to TC2.

Is this clear and can you see the benefit?

Kevin

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DO NOT REPLY [Bug 38329] - isapi_redirect.dll returns application not available when application stopped in Manager

Posted by bu...@apache.org.
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mturk@apache.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX




------- Additional Comments From mturk@apache.org  2006-01-20 10:34 -------
This is the exact purpose of 'stopped'.
You can use 'disabled' to deal with existing sessions.

The stopped means: No more requests to this route!

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