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Date: Mon, 16 Jul 2007 16:45:45 -0700 (PDT)
From: "Qian Su (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-1254) Kaha Store puts a non-string into
 System properties
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    [ https://issues.apache.org/activemq/browse/AMQ-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_39690 ] 

Qian Su commented on AMQ-1254:
------------------------------

Is there an estimated time to fix for setting property org.apache.activeio.journal.active.lockMap to String? Thx!

> Kaha Store puts a non-string into System properties
> ---------------------------------------------------
>
>                 Key: AMQ-1254
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1254
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 4.1.2
>            Reporter: David Jencks
>         Attachments: Kaha-Store.patch
>
>
> KahaStore puts a hashmap into SystemProperties, which causes problems with programs that expect only strings as properties.  In particular some versions of Hibernate assume all system properties are strings: this is causing difficulties running roller in geronimo 2.0
> Attached is a proposed solution.  I have no idea how to test it.  I get the same 7 failures and one error building amq with and without the change.
> The proposal stores the list of locked directories in a string and converts it back and forth to a map whenever it is accessed.  I use a constant string as the vm-wide lock monitor formerly provided by the HashSet.  According to the String javadoc constant strings are intern()ed and the same instance is provided in any classloader: this makes it suitable for a vm-wide lock monitor.

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