PQ52445: WHEN TCP/IP FAILS, WEBSPHERE FOR Z/OS RUNTIME ADDRESS SPACES AREEXPECTED TO GO DOWN. BUT THEY DON'T.

APAR status
Closed as fixed if next.

Error description
When TCP/IP fails, WebSphere for z/OS runtime address spaces are
expected to go down. But they don't.
Local fix Problem summary
****************************************************************
* USERS AFFECTED: All users of WebSphere Application Server    *
*                 V4.0 for z/OS and OS/390.                    *
****************************************************************
* PROBLEM DESCRIPTION: If TCP/IP terminates, the WebSphere     *
*                      Application Server Control Regions log  *
*                      it as an error, but do not terminate.   *
*                      When TCP/IP comes back up, the Control  *
*                      Regions do not recognize it and will    *
*                      not resume listening for work from      *
*                      TCP/IP.  The Control Regions must be    *
*                      manually restarted to resume receiving  *
*                      work from TCP/IP.                       *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
While TCP/IP termination is recognized as a failure, no action
is taken by the Control Regions other than to log the error.
The error surfaces with AIORV=-1, AIORC=7Ax (122) which
translates to EDC5122I Input/Output Error (EIO).  The Control
Regions stay up, allowing Daemons on other systems in the
sysplex to continue forwarding remote clients to an unreachable
Control Region.  The Control Region does not watch for TCP/IP to
return and does not take any action to resume listening for
remote connections when communications are again possible.
Problem conclusion Temporary fix Comments
This APAR is being closed FIN with concurrence from the
submitting customer. A solution to this problem will be
delivered in a WebSphere Application Server for z/OS
and OS/390 release within the next 18 months
APAR information
APAR number PQ52445
Reported component name WASKBASE
Reported component ID 5655A9801
Reported release 400
Status CLOSED FIN
PE NoPE
HIPER NoHIPER
Submitted date 2001-09-17
Closed date 2001-10-17
Last modified date 2001-10-17

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros

Fix information

Applicable component levels
R400 PSN    UP


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server for z/OS
Operating system(s):
Software version: 400
Software edition:
Reference #: PQ52445
IBM Group: Software Group
Modified date: Oct 17, 2001