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From "Roman Stumm (JIRA)" <j...@codehaus.org>
Subject [jira] (MCOMPILER-199) Plugin 3.0 does not compile src/main/groovy if neither src/main/java nor src/main/resources folders exist
Date Tue, 22 Jan 2013 07:33:14 GMT
Roman Stumm created MCOMPILER-199:
-------------------------------------

             Summary: Plugin 3.0 does not compile src/main/groovy if neither src/main/java
nor src/main/resources folders exist
                 Key: MCOMPILER-199
                 URL: https://jira.codehaus.org/browse/MCOMPILER-199
             Project: Maven 2.x Compiler Plugin
          Issue Type: Bug
    Affects Versions: 3.0
         Environment: mac os, jdk 1.6 and jdk 1.7, Apache Maven 3.0.3 (r1075438; 2011-02-28
18:31:09+0100)
            Reporter: Roman Stumm


The previous version 2.5.1 compiled the project that only had groovy-sources, but after switching
to version 3.0, the created jar was empty and no sources had been compiled.

project-layout
pom.xml
src
  main
    groovy
       MyClass.groovy

After adding a dummy-file into src/main/resources, it works.

Example output of mvn -o compile with version 3.0
--------------------------------------------------
[INFO] --- groovy-eclipse-compiler:2.7.0-01:add-groovy-build-paths (default-add-groovy-build-paths)
@ myproject ---
[INFO] Adding /src/main/groovy to the list of source folders
[INFO] Adding /src/test/groovy to the list of test source folders
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ myproject ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory ./src/main/resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.0:compile (default-compile) @ myproject ---
[INFO] Nothing to compile - all classes are up to date
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS

Example output of mvn -o compile with version 2.5.1
---------------------------------------------------
[INFO] --- groovy-eclipse-compiler:2.7.0-01:add-groovy-build-paths (default-add-groovy-build-paths)
@ myproject ---
[INFO] Adding /src/main/groovy to the list of source folders
[INFO] Adding /src/test/groovy to the list of test source folders
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ myproject ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /Users/roman.stumm/projects/boxx-super/groovy-boxx/myproject/src/main/resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ myproject ---
[INFO] Using Groovy-Eclipse compiler to compile both Java and Groovy files
[INFO] Classpath: ....
[INFO] All args: [-cp, .... reading and writing
[11 .class files generated]
[INFO] Compilation complete.


The pom.xml
 <properties>
       <maven-compiler-version>3.0</maven-compiler-version> <!-- version 2.5.1
works -->
        <groovy-compiler-version>2.7.0-01</groovy-compiler-version>
        <groovy-eclipse-batch>2.0.4-04</groovy-eclipse-batch>
    </properties>
...
 <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${maven-compiler-version}</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                    <compilerId>groovy-eclipse-compiler</compilerId>
                    <verbose>true</verbose>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>org.codehaus.groovy</groupId>
                        <artifactId>groovy-eclipse-compiler</artifactId>
                        <version>${groovy-compiler-version}</version>
                    </dependency>
                    <dependency>
                        <groupId>org.codehaus.groovy</groupId>
                        <artifactId>groovy-eclipse-batch</artifactId>
                        <version>${groovy-eclipse-batch}</version>
                    </dependency>
                </dependencies>
            </plugin>
            <plugin>
                <groupId>org.codehaus.groovy</groupId>
                <artifactId>groovy-eclipse-compiler</artifactId>
                <version>${groovy-compiler-version}</version>
                <extensions>true</extensions>
                <dependencies>
                    <dependency>
                        <groupId>org.codehaus.groovy</groupId>
                        <artifactId>groovy-eclipse-batch</artifactId>
                        <version>${groovy-eclipse-batch}</version>
                    </dependency>
                </dependencies>
            </plugin>
...

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