Re: Multiple GWT modules in one Maven module

On Tuesday, May 9, 2017 at 1:11:04 PM UTC+2, Frederik Van Hoyweghen wrote:

On Tuesday, May 9, 2017 at 12:59:17 PM UTC+2, Thomas Broyer wrote:

I wouldn't put any <moduleName> / <moduleShortName> into the plugin-level <configuration>, and only put them into the <executions>.

That's what I figured, but it seems to be a required property (The parameters 'moduleName' for goal net.ltgt.gwt.maven:gwt-maven-plugin:1.0-rc-7:compile are missing or invalid, when invoking gwt:compile).

How are you invoking gwt:compile? If on the command-line, then the execution ID matters, and only one such execution will match (the one with <id>default-cli</id>). But starting with Maven 3.3.1 you can specify the execution id on the command-line too: "mvn gwt:compile@compile-common gwt:compile@compile-foo".

See https://maven.apache.org/guides/mini/guide-default-execution-ids.html#Default_executionIds_for_Implied_Executions and https://maven.apache.org/guides/mini/guide-configuring-plugins.html#Using_the_executions_Tag

I defined my executions as per your example:

<configuration>
    <localWorkers>6</localWorkers>
    <skipModule>true</skipModule>
    <draftCompile>true</draftCompile>
</configuration>
<executions>
    <execution>
        <id>compile-common</id>
        <goals><goal>compile</goal></goals>
        <configuration>
            <moduleName>com.test.common</moduleName>
        </configuration>
    </execution>

etc.. but it appears the executions aren't triggered (or is this an effect of the missing moduleName under configuration?). It seems I have much to learn still.

Rule of thumb: if a goal is (meant to be) bound to a lifecycle phase (such as gwt:compile which is bound by default to the prepare-package phase; see https://tbroyer.github.io/gwt-maven-plugin/compile-mojo.html; but not gwt:devmode or gwt:codeserver for example), then invoke the lifecycle phase, not the goal.

Another rule of thumb: only ever invoke the lifecycle phases "package" and "verify" (and "install" and "deploy" when dealing with libraries, to share them with other projects / people). If you want to skip tests, pass -DskipTests, if you want to skip the compilation of tests too then pass -Dmaven.test.skip.

If you know what you're doing, then feel free to break those rules; if you know what you're doing.

Also, have a look at Gradle rather than Maven, if that's a possibility for your project(s).

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