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From "Josh Wyatt (JIRA)" <>
Subject [jira] Updated: (DBCP-282) defaultReadOnly not honored in server.xml for PerUserPoolDataSource
Date Tue, 03 Feb 2009 15:12:00 GMT


Josh Wyatt updated DBCP-282:

    Attachment: patch.commons-dbcp-1.2.2-transaction.diff

Note the pasted version of the patch got a little garbled due to changing some chars, poor
formatting, etc; this is the actual diff for the patch.

> defaultReadOnly not honored in server.xml for PerUserPoolDataSource
> -------------------------------------------------------------------
>                 Key: DBCP-282
>                 URL:
>             Project: Commons Dbcp
>          Issue Type: Bug
>    Affects Versions: 1.2.2
>         Environment: Tomcat 4.1.29/Apache-2.0.55/Oracle JDBC on RedHat ES3.0 on i386
>            Reporter: Josh Wyatt
>             Fix For: 1.3
>         Attachments: patch.commons-dbcp-1.2.2-transaction.diff
>   Original Estimate: 2h
>  Remaining Estimate: 2h
> Running dbcp-1.2.2 on Apache-2.0.55/Tomcat-4.1.29/Jakarta on Linux, using JDBC to connect
to Oracle 10g DB.
> We are seeing the constant SET TRANSACTION READ WRITE activity against the DB connection,
and although I appreciate the discussion about a new configuration option, I am not able to
figure out how to disable this activity.
> Background on this issue can be found at:
> For reference, assume that we do not have control over the codebase, although we have
full control over the server configuration (server.xml, etc).
> I found the configuration options page for DBCP- but there appears to be no discussion
on the logistics/mechanics of how to set or change these configuration options.
> Our connections are implemented as  type="org.apache.commons.dbcp.datasources.PerUserPoolDataSource"
in server.xml.  We have tried setting the parameter in the ResourceParams section for the
JDBC stanza, like this:
> <ResourceParams name="jdbc/OURDBINSTANCENAME">
>   <parameter>
>       <name>factory</name>
>       <value>org.apache.commons.dbcp.datasources.PerUserPoolDataSourceFactory</value>
>    </parameter>
>    <parameter>
>       <name>defaultReadOnly</name>
>       <value>notset</value>
>    </parameter>
> ...
> </ResourceParams>
> ...with no success.
> It should be noted that previous to discovering this issue, we did not have this parameter
set at all; so I'm not even sure if this is the proper location for this configuration directive.
 I could not find any guidance in the DBCP documentation on where to put this stuff.
> Please advise,
> Josh

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