Hi there I just updated my version from the repo and the latest changes break master.
I have the following message: Checking for multiple versions of scala [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] Zeppelin ........................................... SUCCESS [ 2.375 s] [INFO] Zeppelin: Interpreter .............................. SUCCESS [ 4.336 s] [INFO] Zeppelin: Zengine .................................. SUCCESS [ 1.480 s] [INFO] Zeppelin: Spark .................................... FAILURE [ 2.543 s] [INFO] Zeppelin: Markdown interpreter ..................... SKIPPED [INFO] Zeppelin: Angular interpreter ...................... SKIPPED [INFO] Zeppelin: Shell interpreter ........................ SKIPPED [INFO] Zeppelin: Hive interpreter ......................... SKIPPED [INFO] Zeppelin: Tajo interpreter ......................... SKIPPED [INFO] Zeppelin: Flink .................................... SKIPPED [INFO] Zeppelin: Apache Ignite interpreter ................ SKIPPED [INFO] Zeppelin: web Application .......................... SKIPPED [INFO] Zeppelin: Server ................................... SKIPPED [INFO] Zeppelin: Packaging distribution ................... SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 11.057 s [INFO] Finished at: 2015-06-24T22:49:43+01:00 [INFO] Final Memory: 41M/415M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.scala-tools:maven-scala-plugin:2.15.2:compile (default) on project zeppelin-spark: Execution default of goal org.scala-tools:maven-scala-plugin:2.15.2:compile failed: For artifact {null:null:null:jar}: The groupId cannot be empty. -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException [ERROR] -- PGP KeyID: 2048R/EA31CFC9 subkeys.pgp.net