{"action":"created","issue":{"url":"https://api.github.com/repos/dmlc/xgboost/issues/1004","repository_url":"https://api.github.com/repos/dmlc/xgboost","labels_url":"https://api.github.com/repos/dmlc/xgboost/issues/1004/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/xgboost/issues/1004/comments","events_url":"https://api.github.com/repos/dmlc/xgboost/issues/1004/events","html_url":"https://github.com/dmlc/xgboost/issues/1004","id":141614802,"number":1004,"title":"[jvm-packages] does xgboost4j-spark must buld under spark cluster?","user":{"login":"leoli2012","id":13852887,"avatar_url":"https://avatars.githubusercontent.com/u/13852887?v=3","gravatar_id":"","url":"https://api.github.com/users/leoli2012","html_url":"https://github.com/leoli2012","followers_url":"https://api.github.com/users/leoli2012/followers","following_url":"https://api.github.com/users/leoli2012/following{/other_user}","gists_url":"https://api.github.com/users/leoli2012/gists{/gist_id}","starred_url":"https://api.github.com/users/leoli2012/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/leoli2012/subscriptions","organizations_url":"https://api.github.com/users/leoli2012/orgs","repos_url":"https://api.github.com/users/leoli2012/repos","events_url":"https://api.github.com/users/leoli2012/events{/privacy}","received_events_url":"https://api.github.com/users/leoli2012/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":15,"created_at":"2016-03-17T15:21:53Z","updated_at":"2016-03-18T14:35:47Z","closed_at":null,"body":"hi, all, for some reasons ,i have to  mvn  package on a single machine without spark cluster  to build xgboost4j, however ,everything is ok until package xgboost4j-spark, package  seems stoped to wait for  something..\r\n16/03/17 08:07:56 INFO TaskSetManager: Starting task 0.0 in stage 0.0 (TID 0, localhost, partition 0,PROCESS_LOCAL, 1731242 bytes)\r\n16/03/17 08:07:56 INFO Executor: Running task 0.0 in stage 0.0 (TID 0)\r\n16/03/17 08:07:56 INFO CacheManager: Partition rdd_1_0 not found, computing it\r\nprogram  seems in a waiting status.......so ,i guess, package must execed in spark cluster?"},"comment":{"url":"https://api.github.com/repos/dmlc/xgboost/issues/comments/198389133","html_url":"https://github.com/dmlc/xgboost/issues/1004#issuecomment-198389133","issue_url":"https://api.github.com/repos/dmlc/xgboost/issues/1004","id":198389133,"user":{"login":"CodingCat","id":678008,"avatar_url":"https://avatars.githubusercontent.com/u/678008?v=3","gravatar_id":"","url":"https://api.github.com/users/CodingCat","html_url":"https://github.com/CodingCat","followers_url":"https://api.github.com/users/CodingCat/followers","following_url":"https://api.github.com/users/CodingCat/following{/other_user}","gists_url":"https://api.github.com/users/CodingCat/gists{/gist_id}","starred_url":"https://api.github.com/users/CodingCat/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CodingCat/subscriptions","organizations_url":"https://api.github.com/users/CodingCat/orgs","repos_url":"https://api.github.com/users/CodingCat/repos","events_url":"https://api.github.com/users/CodingCat/events{/privacy}","received_events_url":"https://api.github.com/users/CodingCat/received_events","type":"User","site_admin":false},"created_at":"2016-03-18T14:35:47Z","updated_at":"2016-03-18T14:35:47Z","body":"ah.... i see....numWorkers is fixed mistakenly....it might be some leftover during debugging....surprisingly, travis CI provides more than 4 cores for test?"}}