Bug 1129091

Summary:	[mysql] The bundled JDBC driver leaks classloaders
Product:	[Other] RHQ Project	Reporter:	Lukas Krejci <lkrejci>
Component:	Plugins	Assignee:	Nobody <nobody>
Status:	ON_QA ---	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	4.13	CC:	hrupp
Target Milestone:	---
Target Release:	RHQ 4.13
Hardware:	Unspecified
OS:	Unspecified
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Lukas Krejci 2014-08-12 08:43:05 UTC

Description of problem:
In the RHQ's mysql plugin we bundle the mysql-connector-java JDBC driver in version 5.1.6.

That version has a known classloader leak that leads to eventual permgen depletion over several restarts of plugin container in the RHQ's agent.

Version-Release number of selected component (if applicable):
4.13.0-SNAPSHOT

How reproducible:
always

Steps to Reproduce:
1. Make sure MySQL plugin is enabled and deployed to RHQ agent
2. Start a MySQL server on a box with RHQ agent
3. restart the plugin container (without fully restarting the whole RHQ agent) a couple of times (> 20).

Actual results:
OOME

Expected results:
No exceptions

Additional info:

The mysql-connector-java is currently at version 5.1.32, so it's probably time we upgraded to a more recent version.

Comment 1 Lukas Krejci 2014-08-12 14:40:15 UTC

For reference, the bug in the mysql jdbc driver is captured here: http://bugs.mysql.com/bug.php?id=36565

Comment 2 Lukas Krejci 2014-08-12 14:49:01 UTC

commit 0e276ede93e672ff1efc243ea1f0bd8d0feb83ba
Author: Lukas Krejci <lkrejci>
Date:   Tue Aug 12 16:41:54 2014 +0200

    [BZ 1129091] Upgrade the bundled MySQL JDBC driver to a newer version.