Upgrade NIO Enabled Environment to 126.96.36.199 Corrupts Lucene Index in NIO Shared Filesystem
(Doc ID 2725447.1)
Last updated on APRIL 26, 2021
Applies to:Oracle WebCenter Sites - Version 188.8.131.52.0 and later
Information in this document applies to any platform.
Per the 184.108.40.206.0 upgrade documentation:
WebCenter Sites 220.127.116.11.0 Additional Upgrade Documentation (<Document 2604831.1>)
1) Revert NIO to disk filesystem
2) Upgrade the lucene index as per the "Post-Upgrade Tasks"
3) Convert back to NIO again
4) See lucene index errors such as:
"An exception occurred on the server while executing UI/Data/Search/Search: IndexFormatTooOldException: Format version is not supported (resource BufferedChecksumIndexInput(SimpleFSIndexInput(path="/[sharedfs]/lucene/Page/segments_48"))): 1 (needs to be between 4 and 6). This version of Lucene only supports indexes created with release 5.0 and later… If the problem persists please contact the system administrator."
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