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From "James Dyer (Resolved) (JIRA)" <>
Subject [jira] [Resolved] (SOLR-2233) DataImportHandler - JdbcDataSource is not thread safe
Date Wed, 28 Mar 2012 18:35:30 GMT


James Dyer resolved SOLR-2233.

    Resolution: Won't Fix

The "threads" feature was removed from DIH in Trunk/4.x (see SOLR-3262).  Some "threads" bugs
were fixed in version 3.6, the last release in which "threads" is available. (see SOLR-3011).
> DataImportHandler - JdbcDataSource is not thread safe
> -----------------------------------------------------
>                 Key: SOLR-2233
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4, 1.4.1, 1.5, 3.1, 3.2
>            Reporter: Fuad Efendi
>         Attachments: SOLR-2233-001.patch, SOLR-2233-JdbcDataSource.patch, SOLR-2233.patch,
> Whenever Thread A spends more than 10 seconds on a Connection (by retrieving records
in a batch), Thread B will close connection.
> Related exceptions happen when we use "threads=" attribute for entity; usually exception
stack contains message "connection already closed"
> It shouldn't happen with some JNDI data source, where Connection.close() simply returns
Connection to a pool of available connections, but we might get different errors.

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