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From "Rob Davies (JIRA)" <>
Subject [jira] Assigned: (AMQ-1809) Failure with JDBCPersistenceAdapter
Date Thu, 19 Jun 2008 23:07:00 GMT


Rob Davies reassigned AMQ-1809:

    Assignee: Rob Davies

> Failure with JDBCPersistenceAdapter
> -----------------------------------
>                 Key: AMQ-1809
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Message Store
>    Affects Versions: 5.1.0
>         Environment: ActiveMQ 5.1.0, JRE 1.6.0_05, Oracle 10.2.04
>            Reporter: Jan Wasserbauer
>            Assignee: Rob Davies
>         Attachments: commons-dbcp-1.2.2.jar, exception.txt
> When using jdbcPersistenceAdapter with Oracle using DBCP BasicDataSource and poolPreparedStatements
set to true (default ActiveMQ configuration), the DBCP pool does not work corretly and opens
lots of new connections instead of reusing old ones. It does so until connection count is
so high, that database server starts refusing new connections and an exception is thrown.

> Problem can be avoided by setting poolPreparedStatements to false and fixed by updating
commons-dbcp-1.2.jar to version commons-dbcp-1.2.2.jar
> The exception is java.sql.SQLException: Výjimka vstupu/výstupu: Got minus one from
a read call
> (Full stack trace is in attached text file)

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