"You don't have a SNAPSHOT project in the reactor projects list." when using Jenkins Maven release plugin
You're trying to release an artifact that's not a snapshot. That means your artifact's version number is something like 3.0.3. That version number implies its already been released. You can't release a release. There would be no changes in between and therefore no point.
You're only supposed to release SNAPSHOT versions. That means your version number would be like 3.0.3-SNAPSHOT.
Jenkins workspace is not cleanup or you have FINAL version inside pom.xml. Jenkins has check-out strategy for cleaning up workspace.
More: Maven release plugin - SNAPSHOT project needed
Check-out Strategy options:
- Emulate clean checkout by first deleting unversioned files/ignored files, as well as files/directories ignored by
svn:ignore, then executesvn update. - Always check out fresh copy
- Use
svn updateas much possible, withsvn revertbefore update
Bump Up your Project POM file for from the previously built code base to a new version.
1.0.1-SNAPSHOT<version>1.0.1-SNAPSHOT</version>