Github user 1ambda commented on the issue: https://github.com/apache/zeppelin/pull/1639 @felizbear After you modified maven options, heap was increase ``` // before [INFO] Zeppelin: Server ................................... SUCCESS [ 12.294 s] [INFO] Zeppelin: Packaging distribution ................... SKIPPED [INFO] Zeppelin: R Interpreter ............................ SKIPPED [INFO] Zeppelin: Scalding interpreter ..................... SKIPPED [INFO] Zeppelin: Beam interpreter ......................... SKIPPED [INFO] Zeppelin: Examples ................................. SKIPPED [INFO] Zeppelin: Example application - Clock .............. SKIPPED [INFO] Zeppelin: Example application - Horizontal Bar chart SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 09:15 min [INFO] Finished at: 2016-11-16T03:58:06+00:00 [INFO] Final Memory: 169M/457M [INFO] ------------------------------------------------------------------------ [ERROR] Java heap space -> [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/OutOfMemoryError // after [INFO] Zeppelin: BigQuery interpreter ..................... SUCCESS [ 0.870 s] [INFO] Zeppelin: Alluxio interpreter ...................... SUCCESS [ 2.634 s] [INFO] Zeppelin: Scio ..................................... SUCCESS [ 40.645 s] [INFO] Zeppelin: web Application .......................... SKIPPED [INFO] Zeppelin: Server ................................... SKIPPED [INFO] Zeppelin: Packaging distribution ................... SKIPPED [INFO] Zeppelin: Examples ................................. SKIPPED [INFO] Zeppelin: Example application - Clock .............. SKIPPED [INFO] Zeppelin: Example application - Horizontal Bar chart SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 07:10 min [INFO] Finished at: 2016-11-18T06:19:37+00:00 [INFO] Final Memory: 167M/1903M [INFO] ------------------------------------------------------------------------ [ERROR] PermGen space -> [Help 1] ``` But now PermGen is not enough. I guess, it is because of too large heap size since each travis build has memory limitation. So what about decrease heap size (but more than `457M`)?
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