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https://issues.apache.org/jira/browse/LUCENE-5407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13877543#comment-13877543
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Luis Filipe Nassif commented on LUCENE-5407:
--------------------------------------------
The test does not recreate IndexWriter instances, It is created once in the
main thread. And addDocument(doc) returns in the main thread only after
pipedWriter is closed in the secondary thread (so pipedReader returns -1), then
indexWriter is closed after adding all docs. I will post a thread dump.
> Deadlock? while indexing reader fields in cascaded threads
> ----------------------------------------------------------
>
> Key: LUCENE-5407
> URL: https://issues.apache.org/jira/browse/LUCENE-5407
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Affects Versions: 4.6
> Environment: Windows 7 64 bits, JRE 1.7.0_25 64 bits
> Reporter: Luis Filipe Nassif
> Attachments: Test.java
>
>
> Apparently I found a deadlock problem with IndexWriter using Reader Fields in
> a cascaded thread design to add documents (I am working on an application
> integrating Tika, which has the capability to add embedded documents to the
> index as independent documents as they are found). The attached code
> illustrates the problem. Sometimes it stops processing, at least one of the
> threads remains in WAITING state. It must be executed no more than 5 times in
> my environment to trigger the problem.
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