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https://issues.apache.org/jira/browse/SOLR-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Frank Wesemann updated SOLR-2233:
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Attachment: SOLR-2233.patch
For a less obtrusive solution I came up with the attached patch.
People with more knowledge may do something useful in the
{{isConnectionValid()}} method.
As I had to learn postgresql Driver for jdbc4 does not implement
{{isValid(timeout)}}.
May be one can trick the connectionpool to validate the connection after a
certain amount of time.
> DataImportHandler - JdbcDataSource is not thread safe
> -----------------------------------------------------
>
> Key: SOLR-2233
> URL: https://issues.apache.org/jira/browse/SOLR-2233
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Affects Versions: 1.5
> Reporter: Fuad Efendi
> Attachments: FE-patch.txt, SOLR-2233-JdbcDataSource.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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