Caused by: java.lang.NullPointerException
at java.util.Hashtable$Entry.setValue (Hashtable.java:1286)
at org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit (StringVisitorModelInterpolator.java:1429)
Seems to be resolved in 3.8.4. I'm now seeing a proper error message:
Resolving expression: '${project.version}': Detected the following recursive expression cycle in 'project.version': [version, revision] @ org.example:foo:${revision}, /experiment/pom.xml -> [Help 2]
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H. Poon, und P. Domingos. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing: Volume 1 - Volume 1, Seite 1--10. Stroudsburg, PA, USA, Association for Computational Linguistics, (2009)
A. Hotho, R. Jäschke, C. Schmitz, und G. Stumme. Proceedings of the 3rd European Semantic Web Conference, Volume 4011 von LNCS, Seite 411-426. Budva, Montenegro, Springer, (Juni 2006)