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Date: Thu, 2 May 2013 22:12:13 +0100
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Subject: Re: Executing tests in a newer JVM version than the one used to build
 project.
From: Stephen Connolly <stephen.alan.connolly@gmail.com>
To: Maven Users List <users@maven.apache.org>
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On Thursday, 2 May 2013, Jean Tremblay wrote:

> Hi,
>
> I have a bit of a complicated setup. I need to build my jar file using
> java 1.6, but I need to execute my tests using Java 1.7, as my library need
> to connect to other libraries built for Java V1.7.
> How can I do that?
>
> I currently set my pom.xml with the following entries:
>
>   <properties>
>     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
>     <maven.compiler.target>1.6</maven.compiler.target>
>     <maven.compiler.source>1.6</maven.compiler.source>
>   </properties>
>
>
>
> Unfortunately when my test is executed it is also running using v1.6 but I
> would like to use version 1.7.
>
> Is there a way to tell sure fire (I guess this is the plugin I should look
> at) to use v1.7 when executing the tests?
> What is exactly choosing the target version of the Java being used for
> testing?
>
> I develop my project library using eclipse. I have set this project to use
> java 1.6 for this eclipse project. If I tell eclipse to use V1.7 my tests
> are executed in Maven using V1.7 and then my test are all fine. The problem
> is then that when I build my jar files there are conflicts between the java
> used by eclipse and the java used by Maven, and it can happen that suddenly
> the jar file is built with java classes being 1.7 instead of 1.6.
>
> Does anyone have an idea what I should do here?


See my answer here:
http://stackoverflow.com/questions/12414209/compile-maven-module-with-different-java-version/12419643#12419643

IIRC you then need to bind a second execution of tool chains after the
compile phase but before the test phase to switch to 1.7



> Thanks for your help.
>
> Jean
>


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