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Upgrading Lucene Indexes to 5.5.5 Failing When Running org.apache.lucene.index.IndexUpgrader: "java.lang.IllegalArgumentException: Could not load codec 'Lucene62'. Did you forget to add lucene-backward-codecs.jar?" (Doc ID 2647561.1)

Last updated on JUNE 14, 2021

Applies to:

Oracle WebCenter Sites - Version 12.2.1.4.0 and later
Information in this document applies to any platform.

Symptoms

Following the instructions within from the WebCenter Sites 12.2.1.4.0 Additional Upgrade Documentation (<Document 2604831.1>) for the Lucene upgrade is failing with errors when attempting to perform IndexUpgrader.

Changes

 Upgraded to WebCenter Sites 12.2.1.4.0

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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