# Maven - Productivity Tips

This collection of Maven tips is mainly for self reference but maybe useful for others.

# Download sources and documentation

Download sources of dependencies:

$ mvn dependency:sources

Download Javadoc documentation of dependencies:

$ mvn dependency:resolve -Dclassifier=javadoc

# Skipping tests

Skip running tests:

$ mvn clean verify -DskipTests

Skip compilation and running tests:

$ mvn clean verify -Dmaven.test.skip

# Run specific tests

All tests in a class:

$ mvn clean verify -Dtest=MyTestClass

Individual tests:

$ mvn clean verify -Dtest=MyTestClass#testMethod

# Debugging

Debug unit tests:

$ mvn clean verify -Dmaven.surefire.debug

Debug integration tests:

$ mvn clean verify -Dmaven.failsafe.debug

Debug plugins:

$ mvnDebug clean verify

# Resume build from a failed module

When a multi-module build fails you don't have to rebuild everything. Continue with the failing module:

$ mvn clean verify -rf :failed-module

# Useful Maven resources

• 10 Effective Tips on Using Maven
• Maven Surefire: test goal parameter reference