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https://issues.apache.org/jira/browse/PHOENIX-4242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16193232#comment-16193232
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James Taylor commented on PHOENIX-4242:
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We special case system tables in update cache because we don't want to hit the
server every time they're accessed (since they're access pretty frequently and
aren't allowed to be altered while the server is up).
Can you post a stack trace so I can see where the NPE occurs? We can likely
tweak the code so that it works correctly in this case.
> Fix Indexer post-compact hook logging of NPE and TableNotFound
> --------------------------------------------------------------
>
> Key: PHOENIX-4242
> URL: https://issues.apache.org/jira/browse/PHOENIX-4242
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.12.0
> Reporter: Vincent Poon
> Assignee: Vincent Poon
>
> The post-compact hook in the Indexer seems to log extraneous log messages
> indicating NPE or TableNotFound. The TableNotFound exceptions seem to
> indicate actual table names prefixed with MERGE or RESTORE, and sometimes
> suffixed with a digit, so perhaps these are views or something similar.
> Examples:
> 2017-09-28 13:35:03,118 WARN [ctions-1506410238599] index.Indexer - Unable
> to permanently disable indexes being partially rebuild for SYSTEM.SEQUENCE
> java.lang.NullPointerException
> 2017-09-28 10:20:56,406 WARN [ctions-1506410238415] index.Indexer - Unable
> to permanently disable indexes being partially rebuild for
> MERGE_PLATFORM_ENTITY.PLATFORM_IMMUTABLE_ENTITY_DATA2
> org.apache.phoenix.schema.TableNotFoundException: ERROR 1012 (42M03): Table
> undefined. tableName=MERGE_PLATFORM_ENTITY.PLATFORM_IMMUTABLE_ENTITY_DATA2
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