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Date: Fri, 2 Mar 2007 22:07:04 -0800 (PST)
From: "Jason Dillon (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQ-1185) ActiveMQ 4.1 has crept in some Java 5
 APIs, which prevent it from being used on Java 1.4 JVMs
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    [ https://issues.apache.org/activemq/browse/AMQ-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_38649 ] 

Jason Dillon commented on AMQ-1185:
-----------------------------------

It looks better now... though something else has popped up in the G 1.2 branch which is causing some major problems which prevent me from verifying that the current AMQ 4.1-SNAPSHOT resolves the spec compliance issues.  Hopefully we'll have that sorted out soonish. :-(

> ActiveMQ 4.1 has crept in some Java 5 APIs, which prevent it from being used on Java 1.4 JVMs
> ---------------------------------------------------------------------------------------------
>
>                 Key: AMQ-1185
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1185
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 4.1.1
>            Reporter: Jason Dillon
>            Priority: Blocker
>         Attachments: AMQ-1185-2.diff, AMQ-1185-activeio-retro.diff, AMQ-1185.diff
>
>
> A few bits of Java 5 API has made it into the AMQ 4.1 branch, which prevent 4.1 from being used on Java 1.4 JVMS.
> Apache Geronimo v1.2 needs AMQ 4.1 running on Java 1.4.
> So far I don't see anything major which prevents AMQ 4.1 from being compiled with Java 1.4... only a few minor changes to keep compatibility.  The alternative is of course to use the retrotranslator-maven-plugin to generate 1.4 compatible jars for each module (the new retrotranslator:translate-project makes this very easy to use, includes attaching jdk14 artifacts).
> But IMO, that would just add more complexity for AMQ 4.1 when only a few simple changes will allow the it to be native 1.4... though you folks might consider using retrotranslator:translate-project for trunk to create 1.4 compatible jars for the new AMQ (> 4.1.x) bits.

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