I've read on http://maven.apache.org/plugins/maven-compiler-plugin/howto.html
the "official" way to compile a Java1.3 application.

I think this solution isn't the best/easier as this requires the target environment to have the expected JDK installed and the correct properties set, with no standard naming for it. I myself get troubles with it as I can run JDK1.3 on my nightly build server (Linux Ubuntu : requires some "stdlibc++libc6....")

I'm using an alternative solution that has less expectation on the compilation environment :
- Add a dependency to target runtime in the compiler plugin configuration
- Set the compiler bootclasspaht to use it

<plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
           <configuration>
               <source>1.3</source>
               <target>1.3</target>
               <compilerArguments>
                     <bootclasspath>
${settings.localRepository}/com/sun/rt/1.3.1_08/rt-1.3.1_08.jar
                     </bootclasspath>
               </compilerArguments>
           </configuration>
           <dependencies>
              <dependency>
                     <groupId>com.sun</groupId>
                     <artifactId>rt</artifactId>
                     <version>1.3.1_08</version>
              </dependency>
           </dependencies>
</plugin>

This solution only requires the to install first the expected rt.jar in repo, as any others java API jars (com.sun:rt POM is in maven2 repo).

Don't you think this solution may be promoted on compiler plugin documentation ?

Niso.

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