Upgrade Assistant does not Handle Upgrading Clustered 10g Web Cache to 11g Web Cache Properly (Doc ID 1489344.1)

Last updated on OCTOBER 13, 2023

Applies to:

Symptoms

This issue would be best known in the planning phase for an upgrade of clustered 10g Web Cache (two or more nodes) to 11g Web Cache.
In this particular case the issue with Upgrade Assistant was found only after upgrading, scaling out, and testing Web Cache. Regardless, if you have or will be upgrading a clustered 10g Web Cache envrionment to 11g and are experiencing Web Cache crashing, this document pertains to you.

Requirements/Pre-conditions
1) You have clustered Web Cache Oracle Homes in a 10g Environment prior to upgrading.
    Oracle Application Server Web Cache Administrator's Guide
    10g Release 2 (10.1.2)
    B14046-05
    3 Cache Clustering
    http://docs.oracle.com/cd/B14099_19/caching.1012/b14046/cluster.htm#i1009506


2) Post Upgrade to 11g you are experiencing Web Cache crashes when accessing content through Web Cache
This is just one example and may not be the exact same in you case. Different stacks and error codes may be seen by different versions of Web Cache

The following is a snip of the tracedump.<PID> file located $INSTANCE_HOME/diagnostics/logs/WebCache/webcache1/

Changes

Cause

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