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Maven compile mixed Java + Groovy 1.7 project, using gmaven-plugin

Answer 1

+4 A:

I had the same problem. I was missing the providerSelection configuration setting for 1.7.

Try this configuration and it should work for you.

  <plugin>
      <groupId>org.codehaus.gmaven</groupId>
      <artifactId>gmaven-plugin</artifactId>
      <version>1.2</version>
      <configuration> 
        <providerSelection>1.7</providerSelection> 
      </configuration> 
      <dependencies>
          <dependency>
            <groupId>org.codehaus.gmaven.runtime</groupId>
            <artifactId>gmaven-runtime-1.7</artifactId>
            <version>1.2</version>
            <exclusions>
              <exclusion>
                <groupId>org.codehaus.groovy</groupId>
                <artifactId>groovy-all</artifactId>
              </exclusion>
            </exclusions>
          </dependency>
          <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy-all</artifactId>
            <version>1.7.0</version>
          </dependency>
      </dependencies>
      <executions>
          <execution>
              <goals>
                  <goal>generateStubs</goal>
                  <goal>compile</goal>
                  <goal>generateTestStubs</goal>
                  <goal>testCompile</goal>
              </goals>
          </execution>
      </executions>
  </plugin>

Chris Dail 2010-02-08 13:11:29

That did the trick, thanks!

Tim 2010-02-08 14:47:24

As Joshua mentioned below: At least source level 1.4 is required for Groovy to work as well (the Maven default is set to 1.3).

Tim 2010-02-27 14:03:57

Answer 2

+2 A:

That works for me as well with one small addition:

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>1.5</source>
                <target>1.5</target>
            </configuration>
        </plugin>

Maybe there is a way to make this the default?

Joshua Davis 2010-02-27 13:31:16

That's because the Maven default source setting is 1.3, whereas Groovy requires at least 1.4. So yes, you're right, this does need to be included in your pom aswell. (I already had this set in my super pom (as will most developers), so it wasn't included here)

Tim 2010-02-27 14:01:45

Okay. I haven't made a custom super-pom yet, although I've read a few articles about how that is done.

Joshua Davis 2010-02-27 19:34:06

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Maven compile mixed Java + Groovy 1.7 project, using gmaven-plugin

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