This collection of Maven tips is mainly for self reference but maybe useful for others.
Download sources of dependencies:
$ mvn dependency:sources
Download Javadoc documentation of dependencies:
$ mvn dependency:resolve -Dclassifier=javadoc
Skip running tests:
$ mvn clean verify -DskipTests
Skip compilation and running tests:
$ mvn clean verify -Dmaven.test.skip
All tests in a class:
$ mvn clean verify -Dtest=MyTestClass
Individual tests:
$ mvn clean verify -Dtest=MyTestClass#testMethod
Debug unit tests:
$ mvn clean verify -Dmaven.surefire.debug
Debug integration tests:
$ mvn clean verify -Dmaven.failsafe.debug
Debug plugins:
$ mvnDebug clean verify
When a multi-module build fails you don't have to rebuild everything. Continue with the failing module:
$ mvn clean verify -rf :failed-module