PQ60991, 3.5.4, 3.5.6: Connection handshake enablement for OSE remote

Downloadable files
Abstract
The plug-in is not failing over as expected when a proxy firewall is between the plug-in and the Application server.
Download Description
USERS AFFECTED:
WebSphere Application Server version 3.5.x users with a proxy firewall in between the plug-in and the Application server.

PROBLEM DESCRIPTION:
The plug-in was not failing over as expected when a proxy firewall is between the plug-in and the Application server. The proxy firewall being used would accept connections for the application server even if the application server was down. This extended the point at which the appserver problem was detected to the point the first read was done on the bogus connection, which was well past the point that the failover mechanism could intervene.

PROBLEM CONCLUSION:
The failover and the OSE plug-in was modified and plug-in performs now some handshaking with the application server to ensure that it is up before sending the request. This allows us to failover in the event the Application server is really down. This is specified using the ose.connection.handshake attribute in the bootstrap.properties, such as
ose.connection.handshake=true

The ose.connection.handshake has been enabled, and positive feedback has been received on the fix.

NOTES:
This interim fix MUST be applied to the application server and to the webserver for configurations with a proxy firewall between the plug-in and the Application Server.

This fix (PQ60991) is superseded by new Cumulative Plugin fix PQ76785. You have to apply PQ76785 rather than PQ60991. The fix PQ76785 must be applied on ALL WebSphere and web server machines.

We recommend customers to configure IHS 1.3.12.7, IHS 1.3.19.5, IHS 1.3.26.2 or higher with WebSphere 3.5.x, depending on WebSphere supported configurations.

This fix (PQ60991) is included in PTF7 for WebSphere 3.5.x.
Prerequisites
None.
Installation instructions
Please review the readme.txt for detailed installation instructions.
URLLANGUAGESIZE(Bytes)
Readme_3.5.4US English1092
Readme_3.5.6US English1061
Download package
DownloadRELEASE DATELANGUAGESIZE(Bytes)
PQ60991_3.5.45/10/2002US English121472
PQ60991_3.5.65/10/2002US English2324480
Technical support
1-800-IBM-SERV (U.S. Calls only)











Document Information

Product categories: Software, Application Servers, Distributed Application & Web Servers, WebSphere Application Server, Plug-in
Operating system(s): Solaris
Software version: 3.5.4, 3.5.6
Software edition: Edition Independent
Reference #: 4003845
IBM Group: Software Group
Modified date: 2003-10-02