{"action":"created","issue":{"url":"https://api.github.com/repos/entropyltd/spark-cloud/issues/1","labels_url":"https://api.github.com/repos/entropyltd/spark-cloud/issues/1/labels{/name}","comments_url":"https://api.github.com/repos/entropyltd/spark-cloud/issues/1/comments","events_url":"https://api.github.com/repos/entropyltd/spark-cloud/issues/1/events","html_url":"https://github.com/entropyltd/spark-cloud/issues/1","id":120161982,"number":1,"title":"Cannot enter spark-shell","user":{"login":"samthebest","id":1822516,"avatar_url":"https://avatars.githubusercontent.com/u/1822516?v=3","gravatar_id":"","url":"https://api.github.com/users/samthebest","html_url":"https://github.com/samthebest","followers_url":"https://api.github.com/users/samthebest/followers","following_url":"https://api.github.com/users/samthebest/following{/other_user}","gists_url":"https://api.github.com/users/samthebest/gists{/gist_id}","starred_url":"https://api.github.com/users/samthebest/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/samthebest/subscriptions","organizations_url":"https://api.github.com/users/samthebest/orgs","repos_url":"https://api.github.com/users/samthebest/repos","events_url":"https://api.github.com/users/samthebest/events{/privacy}","received_events_url":"https://api.github.com/users/samthebest/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-12-03T12:41:11Z","updated_at":"2015-12-03T15:34:50Z","closed_at":null,"body":"I successfully launch a cluster, then ssh in, I try getting into the spark shell by the following means and neither work\r\n\r\nA\r\n```\r\nspark-submit --master yarn-client\r\n```\r\n\r\nB\r\n```\r\nspark-submit\r\n```\r\n\r\ncauses:\r\n\r\nA\r\n```\r\n15/12/03 12:37:02 INFO spark.SecurityManager: Changing view acls to: ubuntu\r\n15/12/03 12:37:02 INFO spark.SecurityManager: Changing modify acls to: ubuntu\r\n15/12/03 12:37:02 INFO spark.SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(ubuntu); users with modify permissions: Set(ubuntu)\r\n15/12/03 12:37:02 INFO spark.HttpServer: Starting HTTP Server\r\n15/12/03 12:37:03 INFO server.Server: jetty-8.y.z-SNAPSHOT\r\n15/12/03 12:37:03 INFO server.AbstractConnector: Started SocketConnector@0.0.0.0:44095\r\n15/12/03 12:37:03 INFO util.Utils: Successfully started service 'HTTP class server' on port 44095.\r\nWelcome to\r\n      ____              __\r\n     / __/__  ___ _____/ /__\r\n    _\\ \\/ _ \\/ _ `/ __/  '_/\r\n   /___/ .__/\\_,_/_/ /_/\\_\\   version 1.5.0-cdh5.5.0\r\n      /_/\r\n\r\nUsing Scala version 2.10.4 (OpenJDK 64-Bit Server VM, Java 1.8.0_45-internal)\r\nType in expressions to have them evaluated.\r\nType :help for more information.\r\n15/12/03 12:37:16 INFO spark.SparkContext: Running Spark version 1.5.0-cdh5.5.0\r\n15/12/03 12:37:16 INFO spark.SecurityManager: Changing view acls to: ubuntu\r\n15/12/03 12:37:16 INFO spark.SecurityManager: Changing modify acls to: ubuntu\r\n15/12/03 12:37:16 INFO spark.SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(ubuntu); users with modify permissions: Set(ubuntu)\r\n15/12/03 12:37:17 INFO slf4j.Slf4jLogger: Slf4jLogger started\r\n15/12/03 12:37:17 INFO Remoting: Starting remoting\r\n15/12/03 12:37:18 INFO Remoting: Remoting started; listening on addresses :[akka.tcp://sparkDriver@172.31.63.191:45209]\r\n15/12/03 12:37:18 INFO Remoting: Remoting now listens on addresses: [akka.tcp://sparkDriver@172.31.63.191:45209]\r\n15/12/03 12:37:18 INFO util.Utils: Successfully started service 'sparkDriver' on port 45209.\r\n15/12/03 12:37:18 INFO spark.SparkEnv: Registering MapOutputTracker\r\n15/12/03 12:37:18 INFO spark.SparkEnv: Registering BlockManagerMaster\r\n15/12/03 12:37:18 INFO storage.DiskBlockManager: Created local directory at /tmp/blockmgr-5cdc96b6-fbbe-4d8b-9b52-be150436503c\r\n15/12/03 12:37:18 INFO storage.MemoryStore: MemoryStore started with capacity 534.5 MB\r\n15/12/03 12:37:19 INFO spark.HttpFileServer: HTTP File server directory is /tmp/spark-291568cb-c8e8-44a4-b51c-329a58174370/httpd-0bebfcfb-c290-44a4-823f-4348b2988bf5\r\n15/12/03 12:37:19 INFO spark.HttpServer: Starting HTTP Server\r\n15/12/03 12:37:19 INFO server.Server: jetty-8.y.z-SNAPSHOT\r\n15/12/03 12:37:19 INFO server.AbstractConnector: Started SocketConnector@0.0.0.0:56929\r\n15/12/03 12:37:19 INFO util.Utils: Successfully started service 'HTTP file server' on port 56929.\r\n15/12/03 12:37:19 INFO spark.SparkEnv: Registering OutputCommitCoordinator\r\n15/12/03 12:37:19 INFO server.Server: jetty-8.y.z-SNAPSHOT\r\n15/12/03 12:37:20 INFO server.AbstractConnector: Started SelectChannelConnector@0.0.0.0:4040\r\n15/12/03 12:37:20 INFO util.Utils: Successfully started service 'SparkUI' on port 4040.\r\n15/12/03 12:37:20 INFO ui.SparkUI: Started SparkUI at http://ip-172-31-63-191.ec2.internal:4040\r\n15/12/03 12:37:20 WARN metrics.MetricsSystem: Using default name DAGScheduler for source because spark.app.id is not set.\r\n15/12/03 12:37:20 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032\r\n15/12/03 12:37:22 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:23 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:24 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:25 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:26 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:27 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:28 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 6 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:29 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 7 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:30 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:37:31 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:38:02 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:38:03 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n15/12/03 12:38:04 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)\r\n...\r\nrepeats forever\r\n...\r\n\r\n\r\n```\r\n\r\nB\r\n```\r\njava.lang.RuntimeException: java.lang.IllegalArgumentException: java.net.UnknownHostException: cluster\r\n  at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:512)\r\n  at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:171)\r\n  at org.apache.spark.sql.hive.HiveContext.executionHive$lzycompute(HiveContext.scala:162)\r\n  at org.apache.spark.sql.hive.HiveContext.executionHive(HiveContext.scala:160)\r\n  at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:167)\r\n  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)\r\n  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)\r\n  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)\r\n  at java.lang.reflect.Constructor.newInstance(Constructor.java:422)\r\n  at org.apache.spark.repl.SparkILoop.createSQLContext(SparkILoop.scala:1028)\r\n  at $iwC$$iwC.<init>(<console>:9)\r\n  at $iwC.<init>(<console>:18)\r\n  at <init>(<console>:20)\r\n  at .<init>(<console>:24)\r\n  at .<clinit>(<console>)\r\n  at .<init>(<console>:7)\r\n  at .<clinit>(<console>)\r\n  at $print(<console>)\r\n  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n  at java.lang.reflect.Method.invoke(Method.java:497)\r\n  at org.apache.spark.repl.SparkIMain$ReadEvalPrint.call(SparkIMain.scala:1065)\r\n  at org.apache.spark.repl.SparkIMain$Request.loadAndRun(SparkIMain.scala:1340)\r\n  at org.apache.spark.repl.SparkIMain.loadAndRunReq$1(SparkIMain.scala:840)\r\n  at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:871)\r\n  at org.apache.spark.repl.SparkIMain.interpret(SparkIMain.scala:819)\r\n  at org.apache.spark.repl.SparkILoop.reallyInterpret$1(SparkILoop.scala:857)\r\n  at org.apache.spark.repl.SparkILoop.interpretStartingWith(SparkILoop.scala:902)\r\n  at org.apache.spark.repl.SparkILoop.command(SparkILoop.scala:814)\r\n  at org.apache.spark.repl.SparkILoopInit$$anonfun$initializeSpark$1.apply(SparkILoopInit.scala:132)\r\n  at org.apache.spark.repl.SparkILoopInit$$anonfun$initializeSpark$1.apply(SparkILoopInit.scala:124)\r\n  at org.apache.spark.repl.SparkIMain.beQuietDuring(SparkIMain.scala:324)\r\n  at org.apache.spark.repl.SparkILoopInit$class.initializeSpark(SparkILoopInit.scala:124)\r\n  at org.apache.spark.repl.SparkILoop.initializeSpark(SparkILoop.scala:64)\r\n  at org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1$$anonfun$apply$mcZ$sp$5.apply$mcV$sp(SparkILoop.scala:974)\r\n  at org.apache.spark.repl.SparkILoopInit$class.runThunks(SparkILoopInit.scala:159)\r\n  at org.apache.spark.repl.SparkILoop.runThunks(SparkILoop.scala:64)\r\n  at org.apache.spark.repl.SparkILoopInit$class.postInitialization(SparkILoopInit.scala:108)\r\n  at org.apache.spark.repl.SparkILoop.postInitialization(SparkILoop.scala:64)\r\n  at org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply$mcZ$sp(SparkILoop.scala:991)\r\n  at org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply(SparkILoop.scala:945)\r\n  at org.apache.spark.repl.SparkILoop$$anonfun$org$apache$spark$repl$SparkILoop$$process$1.apply(SparkILoop.scala:945)\r\n  at scala.tools.nsc.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:135)\r\n  at org.apache.spark.repl.SparkILoop.org$apache$spark$repl$SparkILoop$$process(SparkILoop.scala:945)\r\n  at org.apache.spark.repl.SparkILoop.process(SparkILoop.scala:1059)\r\n  at org.apache.spark.repl.Main$.main(Main.scala:31)\r\n  at org.apache.spark.repl.Main.main(Main.scala)\r\n  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n  at java.lang.reflect.Method.invoke(Method.java:497)\r\n  at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:672)\r\n  at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)\r\n  at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205)\r\n  at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:120)\r\n  at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)\r\nCaused by: java.lang.IllegalArgumentException: java.net.UnknownHostException: cluster\r\n  at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:374)\r\n  at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:310)\r\n  at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176)\r\n  at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:707)\r\n  at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:650)\r\n  at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:148)\r\n  at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2643)\r\n  at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:93)\r\n  at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2680)\r\n  at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2662)\r\n  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:379)\r\n  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:178)\r\n  at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:495)\r\n  ... 56 more\r\nCaused by: java.net.UnknownHostException: cluster\r\n  ... 69 more\r\n\r\n<console>:10: error: not found: value sqlContext\r\n       import sqlContext.implicits._\r\n              ^\r\n<console>:10: error: not found: value sqlContext\r\n       import sqlContext.sql\r\n```"},"comment":{"url":"https://api.github.com/repos/entropyltd/spark-cloud/issues/comments/161677975","html_url":"https://github.com/entropyltd/spark-cloud/issues/1#issuecomment-161677975","issue_url":"https://api.github.com/repos/entropyltd/spark-cloud/issues/1","id":161677975,"user":{"login":"samthebest","id":1822516,"avatar_url":"https://avatars.githubusercontent.com/u/1822516?v=3","gravatar_id":"","url":"https://api.github.com/users/samthebest","html_url":"https://github.com/samthebest","followers_url":"https://api.github.com/users/samthebest/followers","following_url":"https://api.github.com/users/samthebest/following{/other_user}","gists_url":"https://api.github.com/users/samthebest/gists{/gist_id}","starred_url":"https://api.github.com/users/samthebest/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/samthebest/subscriptions","organizations_url":"https://api.github.com/users/samthebest/orgs","repos_url":"https://api.github.com/users/samthebest/repos","events_url":"https://api.github.com/users/samthebest/events{/privacy}","received_events_url":"https://api.github.com/users/samthebest/received_events","type":"User","site_admin":false},"created_at":"2015-12-03T15:34:50Z","updated_at":"2015-12-03T15:34:50Z","body":"@mag- When I try `spark-submit` it doesn't work at all with a similar exception.  Unfortunately, unlike the spark-shell, it doesn't seem to fall through and run my job:\r\n\r\n```\r\nException in thread \"main\" java.lang.IllegalArgumentException: java.net.UnknownHostException: cluster\r\n\tat org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:374)\r\n\tat org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:310)\r\n\tat org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176)\r\n\tat org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:707)\r\n\tat org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:650)\r\n\tat org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:148)\r\n\tat org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2643)\r\n\tat org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:93)\r\n\tat org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2680)\r\n\tat org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2662)\r\n\tat org.apache.hadoop.fs.FileSystem.get(FileSystem.java:379)\r\n\tat org.apache.hadoop.fs.FileSystem.get(FileSystem.java:178)\r\n\tat org.apache.hadoop.mapred.JobConf.getWorkingDirectory(JobConf.java:661)\r\n\tat org.apache.hadoop.mapred.FileOutputFormat.setOutputPath(FileOutputFormat.java:146)\r\n\tat org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsHadoopFile$4.apply$mcV$sp(PairRDDFunctions.scala:987)\r\n\tat org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsHadoopFile$4.apply(PairRDDFunctions.scala:965)\r\n\tat org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsHadoopFile$4.apply(PairRDDFunctions.scala:965)\r\n\tat org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:147)\r\n\tat org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:108)\r\n\tat org.apache.spark.rdd.RDD.withScope(RDD.scala:306)\r\n\tat org.apache.spark.rdd.PairRDDFunctions.saveAsHadoopFile(PairRDDFunctions.scala:965)\r\n\tat org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsHadoopFile$1.apply$mcV$sp(PairRDDFunctions.scala:897)\r\n\tat org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsHadoopFile$1.apply(PairRDDFunctions.scala:897)\r\n\tat org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsHadoopFile$1.apply(PairRDDFunctions.scala:897)\r\n\tat org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:147)\r\n\tat org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:108)\r\n\tat org.apache.spark.rdd.RDD.withScope(RDD.scala:306)\r\n\tat org.apache.spark.rdd.PairRDDFunctions.saveAsHadoopFile(PairRDDFunctions.scala:896)\r\n\tat org.apache.spark.rdd.RDD$$anonfun$saveAsTextFile$1.apply$mcV$sp(RDD.scala:1426)\r\n\tat org.apache.spark.rdd.RDD$$anonfun$saveAsTextFile$1.apply(RDD.scala:1405)\r\n\tat org.apache.spark.rdd.RDD$$anonfun$saveAsTextFile$1.apply(RDD.scala:1405)\r\n\tat org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:147)\r\n\tat org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:108)\r\n\tat org.apache.spark.rdd.RDD.withScope(RDD.scala:306)\r\n\tat org.apache.spark.rdd.RDD.saveAsTextFile(RDD.scala:1405)\r\n\tat com.mendeley.altmetrics.DistributedS3Ls$.main(DistributedS3Ls.scala:29)\r\n\tat com.mendeley.altmetrics.DistributedS3Ls.main(DistributedS3Ls.scala)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:672)\r\n\tat org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)\r\n\tat org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205)\r\n\tat org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:120)\r\n\tat org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)\r\nCaused by: java.net.UnknownHostException: cluster\r\n\t... 46 more\r\n```\r\n\r\n:( "}}