Github user tgravescs commented on the pull request: https://github.com/apache/spark/pull/113#issuecomment-37230471 I generally use mvn to build. Right now I seem to be having issues building at all due to what appears like the cloudera repository being down. Error resolving project artifact: Could not transfer artifact org.eclipse.paho:mqtt-client:pom:0.4.0 from/to cloudera-repo (https://repository.cloudera.com/artifactory/cloudera-repos): Connection to https://repository.cloudera.com refused for project org.eclipse.paho:mqtt-client:jar:0.4.0: Connection timed out
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