What is true is that Solr project directory is inside MyProject parent directory (but there\'s no module or any maven relationship between the 2, just FS convenience). Do I
either ignore the warning, move the sources out of the unrelated parent or enter the correct value of to the element. The problem is caused by the default value for relativePath which is ../pom.xml and that default value gets injected in your effective pom, triggering the warning.