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https://issues.apache.org/jira/browse/LUCENE-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Rutherglen updated LUCENE-1314:
-------------------------------------
Attachment: LUCENE-1314.patch
LUCENE-1314.patch
All tests pass.
IndexReader.close was made non-final to override in SegmentReader. This is due
to the propagation of the method calls to SegmentReader.doClose previously
passed through decRef which could be called by IndexReader.decRef or
IndexReader.close. In order to decref the copy on write refs, the close method
needs to decrement the references, rather than simply the decRef method. This
caused the bug found in the previous comment where if decRef was called the
deletedDocsRef did not need to also be decrefed which was the cause of the ref
count assertion failing.
Occasionally TestIndexReaderReopen.testThreadSafety fails due to an already
closed exception. Trunk however also fails periodically. Given multi
threading of reopen/close is usually unlikely I am not sure it is worth
investigating further.
Fixed norm byte refs not decrefing on close.
Fixed cloneNorm() byteRef being created when there is no byte array, added
assertion check.
> IndexReader.clone
> -----------------
>
> Key: LUCENE-1314
> URL: https://issues.apache.org/jira/browse/LUCENE-1314
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Index
> Affects Versions: 2.3.1
> Reporter: Jason Rutherglen
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch,
> LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch,
> LUCENE-1314.patch, LUCENE-1314.patch, LUCENE-1314.patch, lucene-1314.patch,
> lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch,
> lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch,
> lucene-1314.patch, lucene-1314.patch, lucene-1314.patch
>
>
> Based on discussion
> http://www.nabble.com/IndexReader.reopen-issue-td18070256.html. The problem
> is reopen returns the same reader if there are no changes, so if docs are
> deleted from the new reader, they are also reflected in the previous reader
> which is not always desired behavior.
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