Re: [m2e-users] m2e 1.4 uses target instead of source when choosing Java

[Anton Tanasenko <atg.sleepless@xxxxxxxxx>]

Hello,

You can also try to specify your jre/jdk6 as J2SE-1.2 Execution Environment (Preferences - Java - Installed JREs - Execution Environments).

I guess your eclipse actually picks jdk6 automatically, unless you have a separate 1.2 version of java configured on Installed JREs page.

On Tue, Aug 6, 2013 at 2:56 PM, Adrien Rivard <adrien.rivard@xxxxxxxxx> wrote:

Hi,

You can remove the JRE 1.2 from your eclipse workspace, and others pre-1.6. m2e take the most adapted JRE that is defined, so it will then take 1.6.

On Tue, Aug 6, 2013 at 1:33 PM, Thorbjørn Ravn Andersen <thunderaxiom@xxxxxxxxxxx> wrote:

I have the following snippet in my pom.xml to be able to compile new source into an older byte format.

 

<plugin>

           <groupId>org.apache.maven.plugins</groupId>

           <artifactId>maven-compiler-plugin</artifactId>

           <version>3.1</version>

           <configuration>

                      <source>1.6</source>

                      <target>1.2</target>

                      <debug>true</debug>

                      <compilerId>eclipse</compilerId>

           </configuration>

          

           <dependencies>

                      <dependency>

                                 <groupId>org.codehaus.plexus</groupId>

                                 <artifactId>plexus-compiler-eclipse</artifactId>

                                 <version>2.2</version>

                      </dependency>

           </dependencies>

</plugin>

 

(the eclipse compiler can do this, not the normal javac when running from the command line)

 

Unfortunately the JRE System Library is then set to 1.2 and not 1.6 by m2e.

 

 

I would like it to be set to 1.6 by m2e always (and I am aware that this may lead to accidental use of  classes available in 1.6 but not in 1.2).

 

How would I approach this?

 

Thanks

 

/Thorbjørn Ravn Andersen

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--

Adrien Rivard

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