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Uneven Load Balancing of Forms when using using OHS Weblogic Plug-In (Doc ID 2437483.1)

Last updated on AUGUST 20, 2018

Applies to:

Oracle Forms - Version 11.1.2.2.0 and later
Information in this document applies to any platform.

Symptoms

The Oracle HTTP Server (OHS) Weblogic (WLS) plug-in is configured to direct Forms requests to two different Weblogic servers.  For example, the mod_wl_ohs.conf or forms.conf file is configured as follows:

<Location /forms>
    SetHandler weblogic-handler
    WebLogicCluster server1:9001,server2:9002
    DynamicServerList OFF
</Location>

When this is configured, by default the WLS plug-in will load balance using a simple round-robin algorithm between all available servers.

However, it is observed that load balancing between the two servers is uneven with 60% or more connections being serviced on one server.

Changes

 None.

Cause

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