Major Description
After BIGTOP-3165, building Mahout came to fail as follows, because Scala 2.10 support was removed from Spark 2.3.
$ ./gradlew mahout-pkg (snip) [INFO] ----------------< org.apache.mahout:mahout-spark_2.10 >----------------- [INFO] Building Mahout Spark bindings 0.13.0 [9/11] [INFO] --------------------------------[ jar ]--------------------------------- [WARNING] The POM for org.apache.spark:spark-core_2.10:jar:2.4.5 is missing, no dependency information available [WARNING] The POM for org.apache.spark:spark-mllib_2.10:jar:2.4.5 is missing, no dependency information available [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary for Apache Mahout 0.13.0: [INFO] [INFO] Mahout Build Tools ................................. SUCCESS [ 2.564 s] [INFO] Apache Mahout ...................................... SUCCESS [ 0.047 s] [INFO] Mahout Math ........................................ SUCCESS [ 11.193 s] [INFO] Mahout HDFS ........................................ SUCCESS [ 3.203 s] [INFO] Mahout Map-Reduce .................................. SUCCESS [ 14.859 s] [INFO] Mahout Integration ................................. SUCCESS [ 2.582 s] [INFO] Mahout Examples .................................... SUCCESS [ 14.055 s] [INFO] Mahout Math Scala bindings ......................... SUCCESS [ 30.022 s] [INFO] Mahout Spark bindings .............................. FAILURE [ 0.029 s] [INFO] Mahout Release Package ............................. SKIPPED [INFO] Mahout H2O backend ................................. SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:18 min [INFO] Finished at: 2020-04-03T17:07:38+09:00 [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal on project mahout-spark_2.10: Could not resolve dependencies for project org.apache.mahout:mahout-spark_2.10:jar:0.13.0: The following artifacts could not be resolved: org.apache.spark:spark-core_2.10:jar:2.4.5, org.apache.spark:spark-mllib_2.10:jar:2.4.5: Failure to find org.apache.spark:spark-core_2.10:jar:2.4.5 in https://repository.cloudera.com/artifactory/cloudera-repos/ was cached in the local repository, resolution will not be reattempted until the update interval of cloudera has elapsed or updates are forced -> [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/DependencyResolutionException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <args> -rf :mahout-spark_2.10 debian/rules:30: recipe for target 'override_dh_auto_build' failed make[1]: *** [override_dh_auto_build] Error 1 make[1]: Leaving directory '/home/sekikn/repos/bigtop/output/mahout/mahout-0.13.0' debian/rules:27: recipe for target 'build' failed make: *** [build] Error 2 dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2 debuild: fatal error at line 1152: dpkg-buildpackage -rfakeroot -us -uc -ui -b failed > Task :mahout-deb FAILED FAILURE: Build failed with an exception.
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