Hoss Man created LUCENE-5121:
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Summary: 4.4 RC0 can not read indexes created with 4.2.1 using
Disk based docvals
Key: LUCENE-5121
URL: https://issues.apache.org/jira/browse/LUCENE-5121
Project: Lucene - Core
Issue Type: Bug
Reporter: Hoss Man
Priority: Blocker
Fix For: 4.4
On the #solr irc channel, user adityab reported a problem trying to upgrade an
existing solr instance from 4.2.1 to the 4.4 RC0 code. The specific error he
reported was a "CorruptIndexException: invalid type: 65" from
DiskDocValuesProducer.readFields using an MMapIndexInput. While waiting for
more details from adityab on reproducible configs, i attempted to do a trivial
test using simple solr configs based on the docvals test configs, and was able
to trigger a slightly different error in which DiskDocValuesProducer.readFields
caused an EOFException.
The problem reproduces on both solr init, and when using CheckIndex -- details
to reproduce to follow in an attachment/comment
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