PM37373: PLUG-IN DOES NOT MARK SERVER BACK UP AFTER RECEIVING A 503 RESPONSE FROM THE APPSERVER

Fixes are available

APAR status

Closed as program error.

Error description

When the server comes back up, the plug-in receives a 503
response; but 503's are a special case: when the plug-in gets a
503, it will retry the request to another server but should not
mark the server down. As such, it doesn't change the server
state. In this case the server was down so it remains down; but
there is also a bit indicating that the server is being retried
to prevent a flood of requests from going to a server when it
just starts up. This bit is never reset.

Local fix

Problem summary

****************************************************************
* USERS AFFECTED:  IBM WebSphere Application Server V7.0       *
*                  webserver plugin users                      *
****************************************************************
* PROBLEM DESCRIPTION: Plugin may not mark a server up when    *
*                      server responds with a 503 after        *
*                      being down.                             *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
When a server comes back online and responds with a 503
(service unavailable) plugin may not mark the server up and if
it fails to mark the server up, no further attempts to use
this server will be made.

Problem conclusion

Plugin is designed to retry the request to other available
servers when a 503 response is received. If the request was
retried, the server responding with the 503 would not be
marked up.

APAR PM37373 is currently targeted for inclusion in Service
Level (Fix Pack) 7.0.0.19 of WebSphere Application Server V7.0.

Please refer to URL:
//www.ibm.com/support/docview.wss?rs=404&uid=swg27006970
for Fix Pack availability.

Temporary fix

Comments

APAR Information

APAR number
PM37373
Reported component name
WEBSPHERE FOR Z
Reported component ID
5655I3500
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-04-19
Closed date
2011-05-12
Last modified date
2011-10-06

APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:

PM49491

Fix information

Fixed component name
WEBSPHERE FOR Z
Fixed component ID
5655I3500

Applicable component levels

R700 PSY UK71297
UP11/09/10 P F109

Fix is available

Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS7K4U","label":"WebSphere Application Server for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
27 October 2021

Tips

PM37373: PLUG-IN DOES NOT MARK SERVER BACK UP AFTER RECEIVING A 503 RESPONSE FROM THE APPSERVER

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name

Fixed component ID

Applicable component levels

R700 PSY UK71297

Fix is available

Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

Document Information

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