15:36:03 [ERROR] Failed to execute goal org.eclipse.tycho:tycho-packaging-plugin:0.25.0:build-qualifier (default-build-qualifier) on project org.jboss.tools.batch.core.itest: Working tree is dirty.
15:36:03 [ERROR] git status batch/itests/org.jboss.tools.batch.core.itest:
15:36:03 [ERROR] 
15:36:03 [ERROR] Untracked files:
15:36:03 [ERROR] batch/itests/org.jboss.tools.batch.core.itest/projects/TestProject/lib/javax.inject-1.jar
15:36:03 [ERROR] batch/itests/org.jboss.tools.batch.core.itest/projects/TestProject/lib/javax.batch-api-1.0.jar
15:36:03 [ERROR] 
15:36:03 [ERROR] You are trying to use tycho-buildtimestamp-jgit on a directory that has uncommitted changes (see details above).
15:36:03 [ERROR] Either commit all changes/add files to .gitignore, or enable fallback to default timestamp provider by configuring
15:36:03 [ERROR] jgit.dirtyWorkingTree=warning for tycho-packaging-plugin