Hi,
I tried to enable the eclipse compiler plugin as described here:
http://maven.apache.org/plugins/maven-compiler-plugin/non-javac-compilers.html
I've got the problem that it won't compile my Java 6 sources. It says:
[INFO] [compiler:compile {execution: default-compile}]
[WARNING] Unknown version '1.6', no version setting will be given to the
compiler.
[WARNING] Unknown version '1.6', no version setting will be given to the
compiler.
I had seen that the dependent version of org.eclipse.jdt:core was pretty old,
so I added a dependency to a newer one, but still no success.
This is my compiler configuration:
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.1</version>
<inherited>true</inherited>
<configuration>
<compilerId>eclipse</compilerId>
<encoding>${project.build.sourceEncoding}</encoding>
<source>1.6</source>
<target>1.6</target>
<showDeprecation>false</showDeprecation>
<showWarnings>true</showWarnings>
</configuration>
<dependencies>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-compiler-eclipse</artifactId>
<version>1.6</version>
</dependency>
<dependency>
<groupId>org.eclipse.jdt</groupId>
<artifactId>core</artifactId>
<version>3.4.2.v_883_R34x</version>
<exclusions>
<exclusion>
<groupId>org.eclipse.core</groupId>
<artifactId>resources</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.core</groupId>
<artifactId>runtime</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse.core</groupId>
<artifactId>filesystem</artifactId>
</exclusion>
<exclusion>
<groupId>org.eclipse</groupId>
<artifactId>text</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
</plugin>
I also tried it with source/target '6' or '6.0' but still the same error.
Can anyone help?
thanks
Christoph
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