Gary Gregory wrote:
> On Fri, Jan 3, 2014 at 11:08 AM, sebb <seb...@gmail.com> wrote:
>
>> On 3 January 2014 15:04, Gary Gregory <garydgreg...@gmail.com> wrote:
>> > On Fri, Jan 3, 2014 at 6:36 AM, Jörg Schaible <joerg.schai...@gmx.de>
>> wrote:
>> >
>> >> Hi Gary,
>> >>
>> >> I tried to build from source with my compiler zoo. I cannot test Java
>> 1.3
>> >> compatibility, because the lack of such an environment on my side.
>> >>
>> >> Java 1.4:
>> >>
>> >> It is not possible to build with Maven 2.0.x, since the
>> >> assembly-plugin already requires Maven 2.2.1 (there might be more
>> >> plugins) and that
>> means
>> >> at
>> >> least a Java 1.5 runtime.
>> >>
>> >
>> > Thank you Jörg, in trunk, I added the Maven prerequisites element set
>> > to 2.2.1.
>>
>> Note that this should still allow compilation and testing with Java
>> 1.4 by using the appopriate java profile.
>>
>
> When I try to use Maven 2.0.11 and Java 1.4.2 for 'mvn clean site' I get:
>
> [ERROR] BUILD ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Error resolving version for
> 'org.apache.maven.plugins:maven-assembly-plugin': Plugin requires Maven
> version 2.2.1
>
> When I try to use Maven 2.2.1 and Java 1.4.2 for 'mvn clean site' I get:
>
> Java specification version: 1.4
> This release of Maven requires Java version 1.5 or greater.
>
> So I do not think it is possible any more to build [exec] with anything
> less than Java 5.
>
> Which is fine by be.
Yes, but you can build with Java 1.4 profile:
mvn -P java-1.4
It depends on your settings.xml which JDK version is used to compile the
code then:
============== %< ==================
<profile>
<id>java-1.4</id>
<properties>
<!--JAVA_1_4_HOME>/opt/blackdown-jdk-1.4.2.03</JAVA_1_4_HOME-->
<JAVA_1_4_HOME>/opt/ibm-jdk-bin-1.4.2.13_p9</JAVA_1_4_HOME>
</properties>
</profile>
============== %< ==================
This should work with any Maven version independently of the Java runtime
used for Maven. However, I did not try it this time.
- Jörg
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