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From "Fuad Efendi (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-2233) DataImportHandler - JdbcDataSource is not thread safe
Date Thu, 11 Nov 2010 19:21:13 GMT

     [ https://issues.apache.org/jira/browse/SOLR-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Fuad Efendi updated SOLR-2233:
------------------------------

    Attachment: FE-patch.txt

I need to test it; but changes are obvious.
JDBC API says 
   * <strong>Note:</strong> Support for the <code>isLast</code> method

     * is optional for <code>ResultSet</code>s with a result 
     * set type of <code>TYPE_FORWARD_ONLY</code>
- but I am sure everyone supports this.

> DataImportHandler - JdbcDataSource is not thread safe
> -----------------------------------------------------
>
>                 Key: SOLR-2233
>                 URL: https://issues.apache.org/jira/browse/SOLR-2233
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 1.5
>            Reporter: Fuad Efendi
>         Attachments: FE-patch.txt
>
>
> 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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