Shawn Heisey created SOLR-4732:
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Summary: CoreAdmin - SWAP and RENAME with shared instanceDir and
no dataDir - problems after Solr restart
Key: SOLR-4732
URL: https://issues.apache.org/jira/browse/SOLR-4732
Project: Solr
Issue Type: Bug
Affects Versions: 3.5
Reporter: Shawn Heisey
Fix For: 4.3
If your cores share an instanceDir but dataDir is not explicitly defined in
solr.xml, apparently dataDir is not "./data" as it would be when instanceDir is
not shared, it becomes (or includes) the name of the core as well. This
results in problems problems with RENAME, and probably SWAP as well.
The RENAME will work, with the dataDir still retaining the old name. When you
restart Solr, however, the core will use the new name for the dataDir and
create an empty index, ignoring the old one. Based on this behavior, I believe
that if you did a SWAP, after reload the cores would no longer be swapped.
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