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From "Jack Cai (JIRA)" <>
Subject [jira] Updated: (GERONIMO-4222) Database pool unusable after database unavailable for awhile
Date Mon, 21 Sep 2009 06:06:30 GMT


Jack Cai updated GERONIMO-4222:

    Attachment: tranql-connector-mysql-local-1.3-SNAPSHOT.rar

I've completed the patch that will leverage the PooledConnection interface, so pasting it
here for initial review.

The connector.patch is for the tranql-connector trunk, and the vendors.patch contains updates
to the mysql, derby and pg connectors (for convenience, I created the patch from the vendor

I'm uploading the built RAR packages so hopefully somebody can help to test the new connectors.
To test them with an existing Geronimo build, need to rename the RAR package to match the
version used in that Geronimo build.

> Database pool unusable after database unavailable for awhile
> ------------------------------------------------------------
>                 Key: GERONIMO-4222
>                 URL:
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>    Affects Versions: 2.0.2, 2.1.3, 2.1.4
>         Environment: Red Hat Enterprise Linux Server v5.2
> WAS-CE v2.0.0.1, based on Geronimo v2.0.2
>            Reporter: David Frahm
>            Assignee: Jack Cai
>             Fix For: Wish List
>         Attachments: before and after wasce restart.txt, connector.patch, PGtrial.patch,
stacktrace.txt, tranql-connector-mysql-local-1.3-SNAPSHOT.rar, tranql-connector-postgresql-common-1.1.jar,
> I have frequent trouble with my database pool to an AS/400.  The database is taken down
every night for backup, and at least once a week the connection pool is unusable after the
database comes back up.  Restarting the connection pool makes everything work again. 
> We are new to Geronimo/WAS-CE -- just this one app on one server -- so I don't have anything
to compare to.  However, we have had this same issue with a couple 1.x/1.1.x versions before
we upgraded to v2.  Also, there are several WebSphere (full WAS, not WAS-CE) apps that do
not have this trouble.
> Configuration Info
> Driver: JTOpen v6.1 (
> Pool Min Size: 0
> Pool Max Size: 100
> Blocking Timeout: 5000
> Idle Timeout: 15

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