DirectUpdateHandler2 threading issue
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Key: SOLR-320
URL: https://issues.apache.org/jira/browse/SOLR-320
Project: Solr
Issue Type: Bug
Components: update
Affects Versions: 1.2
Environment: Ubuntu 7.04, Java 1.6.0-b105
Reporter: Stu Hood
While working on an embedded Solr solution, I noticed that one of the threads
created during typical usage of (SolrCore, DocumentBuilder and UpdateHandler),
was not dying.
I wrote a small embedded Solr app, and running it under JDB made it clear that
the environment was not finishing cleanly because of a thread called
"pool-2-thread-1" in "cond. waiting" state. After a quick grep, I saw that only
one class uses a thread pool, and that is the DirectUpdateHandler2. It uses an
instance of ScheduledExecutorService to manage autocommit threads, but it
apparently isn't dieing correctly.
I'll start working on a patch, but the original author of the handler probably
has more knowledge (see https://issues.apache.org/jira/browse/SOLR-65)
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