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Disable Tests for Mule Studio Maven Projects

· Integration Zone

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One of the most welcoming features of the new Mule Studio 3.4 is the Maven support. I was very keen to try out this new feature. I grabbed one of the projects I was working on, and imported it into Mule Studio through File -> Import -> Existing Maven Projects.


Everything is as good as it gets. However I had one issue. Every time I wanted to run my flows as Mule Application, Mule Studio was doing a whole build of my project, including running the tests.

Since this was a large project, I wanted to avoid running all the tests every time I needed to start the application. So I started by adding -DskipTests=true as a VM argument in the run configuration, but this did not work.

My second attempt was to add the MAVEN_OPTS environmental variable and set it to -DskipTests=true, so back to the Mule Studio run configuration, clicked the Environment Variables table, set it there. Again, unfortunately this did not work.

Worry not, there is a way. The third and final attempt was to check if the Mule Studio Maven support provides its own configuration, and luckily it does. So to fix it, Window -> Preferences (or MuleStudio -> Preference if you are using a MAC), navigate to Mule Studio on the left hand panel, expand that, and choose “Maven Settings”. In the configuration panel on the right hand side, you can type -DskipTests=true in the text box labelled as “MAVEN_OPTS environment variable”.


Running my flow now does not run the tests.

One small tip, -DskipTests=true and -Dmaven.test.skip=true are slightly different. If you go for the second option, Maven won’t even build your test classes, hence if you try to run any JUnit test from Mule Studio after a build, it will fail with ClassNotFoundException. Therefore I recommend the first option.

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Published at DZone with permission of Alan Cassar, DZone MVB. See the original article here.

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