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From "Kelven Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-1421) 4.1 must be able to run with both 1.6 and 1.7 JRE
Date Wed, 27 Feb 2013 18:13:12 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-1421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588573#comment-13588573
] 

Kelven Yang commented on CLOUDSTACK-1421:
-----------------------------------------

This is Java generic handled at compiler level, I believe the generated JVM bytecode is compatible
with Java 1.6.
                
> 4.1 must be able to run with both 1.6 and 1.7 JRE
> -------------------------------------------------
>
>                 Key: CLOUDSTACK-1421
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1421
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Alex Huang
>            Assignee: Kelven Yang
>            Priority: Blocker
>
> Wido found the following error when compiling with 1.6 JDK.  We have to make sure that
any changes didnot bring in the need to deploy on 1.7 JRE.
> > /home/employee/wido/repos/cloudstack/framework/ipc/src/org/apache/cl
> > >>> oudstack/framework/rpc/RpcServerCallImpl.java:[51,58]
> > >>>> type parameters of <T>T cannot be determined; no unique maximal

> > >>>> instance exists for type variable T with upper bounds 
> > >>>> T,java.lang.Object [ERROR]
> > >>>
> > /home/employee/wido/repos/cloudstack/framework/ipc/src/org/apache/cl
> > >>> oudstack/framework/rpc/RpcClientCallImpl.java:[191,60]
> > >>>> type parameters of <T>T cannot be determined; no unique maximal

> > >>>> instance exists for type variable T with upper bounds 
> > >>>> T,java.lang.Object
> > >>>>
> > >>>> So I'm running Ubuntu 12.04.1 on all my systems (laptop, desktop,
> > >>>> servers) and this is the maven information:

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