artem0 / spark-graphx Goto Github PK

spark-graphx $ sbt "runMain com.github.graphx.pregel.jobs.social.SocialGraphJob"
[info] Loading settings from plugins.sbt ...
[info] Loading project definition from /home/mahboob/Code/latest/spark/introduction-to-spark/spark-graphx/project
[info] Loading settings from build.sbt ...
[info] Set current project to spark-graphx (in build file:/home/mahboob/Code/latest/spark/introduction-to-spark/spark-graphx/)
[warn] Multiple main classes detected. Run 'show discoveredMainClasses' to see the list
[info] Running com.github.graphx.pregel.jobs.social.SocialGraphJob
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/tmp/sbt_1eaa94af/target/dc366f22/hadoop-auth-2.6.5.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Top 10 most-connected users:
[error] (run-main-0) java.lang.IllegalArgumentException
[error] java.lang.IllegalArgumentException
[error] at org.apache.xbean.asm5.ClassReader.(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.(Unknown Source)
[error] at org.apache.spark.util.ClosureCleaner$.getClassReader(ClosureCleaner.scala:46)
[error] at org.apache.spark.util.FieldAccessFinder$$anon$3$$anonfun$visitMethodInsn$2.apply(ClosureCleaner.scala:443)
[error] at org.apache.spark.util.FieldAccessFinder$$anon$3$$anonfun$visitMethodInsn$2.apply(ClosureCleaner.scala:426)
[error] at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:733)
[error] at scala.collection.mutable.HashMap$$anon$1$$anonfun$foreach$2.apply(HashMap.scala:103)
[error] at scala.collection.mutable.HashMap$$anon$1$$anonfun$foreach$2.apply(HashMap.scala:103)
[error] at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:230)
[error] at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
[error] at scala.collection.mutable.HashMap$$anon$1.foreach(HashMap.scala:103)
[error] at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:732)
[error] at org.apache.spark.util.FieldAccessFinder$$anon$3.visitMethodInsn(ClosureCleaner.scala:426)
[error] at org.apache.xbean.asm5.ClassReader.a(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.b(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.accept(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.accept(Unknown Source)
[error] at org.apache.spark.util.ClosureCleaner$$anonfun$org$apache$spark$util$ClosureCleaner$$clean$14.apply(ClosureCleaner.scala:257)
[error] at org.apache.spark.util.ClosureCleaner$$anonfun$org$apache$spark$util$ClosureCleaner$$clean$14.apply(ClosureCleaner.scala:256)
[error] at scala.collection.immutable.List.foreach(List.scala:381)
[error] at org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:256)
[error] at org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:156)
[error] at org.apache.spark.SparkContext.clean(SparkContext.scala:2294)
[error] at org.apache.spark.rdd.RDD$$anonfun$zipPartitions$1.apply(RDD.scala:877)
[error] at org.apache.spark.rdd.RDD$$anonfun$zipPartitions$1.apply(RDD.scala:877)
[error] at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
[error] at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
[error] at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
[error] at org.apache.spark.rdd.RDD.zipPartitions(RDD.scala:876)
[error] at org.apache.spark.graphx.impl.VertexRDDImpl.aggregateUsingIndex(VertexRDDImpl.scala:215)
[error] at org.apache.spark.graphx.impl.GraphImpl.aggregateMessagesWithActiveSet(GraphImpl.scala:243)
[error] at org.apache.spark.graphx.Graph.aggregateMessages(Graph.scala:378)
[error] at org.apache.spark.graphx.GraphOps.degreesRDD(GraphOps.scala:75)
[error] at org.apache.spark.graphx.GraphOps.degrees$lzycompute(GraphOps.scala:62)
[error] at org.apache.spark.graphx.GraphOps.degrees(GraphOps.scala:61)
[error] at com.github.graphx.pregel.social.SocialGraph.getMostConnectedUsers(SocialGraph.scala:28)
[error] at com.github.graphx.pregel.jobs.social.SocialGraphJob$.main(SocialGraphJob.scala:16)
[error] at com.github.graphx.pregel.jobs.social.SocialGraphJob.main(SocialGraphJob.scala)
[error] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] at java.base/java.lang.reflect.Method.invoke(Method.java:564)
[error] at sbt.Run.invokeMain(Run.scala:93)
[error] at sbt.Run.run0(Run.scala:87)
[error] at sbt.Run.execute$1(Run.scala:65)
[error] at sbt.Run.$anonfun$run$4(Run.scala:77)
[error] at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] at sbt.util.InterfaceUtil$$anon$1.get(InterfaceUtil.scala:10)
[error] at sbt.TrapExit$App.run(TrapExit.scala:252)
[error] at java.base/java.lang.Thread.run(Thread.java:844)
19/06/27 14:31:51 ERROR ContextCleaner: Error in cleaning thread
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at org.apache.spark.ContextCleaner$$anonfun$org$apache$spark$ContextCleaner$$keepCleaning$1.apply$mcV$sp(ContextCleaner.scala:181)
at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1279)
at org.apache.spark.ContextCleaner.org$apache$spark$ContextCleaner$$keepCleaning(ContextCleaner.scala:178)
at org.apache.spark.ContextCleaner$$anon$1.run(ContextCleaner.scala:73)
19/06/27 14:31:51 ERROR Utils: uncaught error in thread SparkListenerBus, stopping SparkContext
java.lang.InterruptedException
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1025)
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1331)
at java.base/java.util.concurrent.Semaphore.acquire(Semaphore.java:318)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(LiveListenerBus.scala:80)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1.apply$mcV$sp(LiveListenerBus.scala:78)
at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1279)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1.run(LiveListenerBus.scala:77)
19/06/27 14:31:51 ERROR Utils: throw uncaught fatal error in thread SparkListenerBus
java.lang.InterruptedException
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1025)
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1331)
at java.base/java.util.concurrent.Semaphore.acquire(Semaphore.java:318)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(LiveListenerBus.scala:80)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1.apply$mcV$sp(LiveListenerBus.scala:78)
at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1279)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1.run(LiveListenerBus.scala:77)
[error] java.lang.RuntimeException: Nonzero exit code: 1
[error] at sbt.Run$.executeTrapExit(Run.scala:124)
[error] at sbt.Run.run(Run.scala:77)
[error] at sbt.Defaults$.$anonfun$bgRunMainTask$6(Defaults.scala:1146)
[error] at sbt.Defaults$.$anonfun$bgRunMainTask$6$adapted(Defaults.scala:1141)
[error] at sbt.internal.BackgroundThreadPool.$anonfun$run$1(DefaultBackgroundJobService.scala:366)
[error] at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] at scala.util.Try$.apply(Try.scala:209)
[error] at sbt.internal.BackgroundThreadPool$BackgroundRunnable.run(DefaultBackgroundJobService.scala:289)
[error] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
[error] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
[error] at java.base/java.lang.Thread.run(Thread.java:844)
[error] (Compile / runMain) Nonzero exit code: 1
[error] Total time: 6 s, completed 27-Jun-2019, 2:31:51 PM

spark-graphx $ sbt "runMain com.github.graphx.pregel.jobs.ssp.ShortestPathProblemJob"
[info] Loading settings from plugins.sbt ...
[info] Loading project definition from /home/mahboob/Code/latest/spark/introduction-to-spark/spark-graphx/project
[info] Loading settings from build.sbt ...
[info] Set current project to spark-graphx (in build file:/home/mahboob/Code/latest/spark/introduction-to-spark/spark-graphx/)
[warn] Multiple main classes detected. Run 'show discoveredMainClasses' to see the list
[info] Running com.github.graphx.pregel.jobs.ssp.ShortestPathProblemJob
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/tmp/sbt_56c55aa8/target/dc366f22/hadoop-auth-2.6.5.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[error] (run-main-0) java.lang.IllegalArgumentException
[error] java.lang.IllegalArgumentException
[error] at org.apache.xbean.asm5.ClassReader.(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.(Unknown Source)
[error] at org.apache.spark.util.ClosureCleaner$.getClassReader(ClosureCleaner.scala:46)
[error] at org.apache.spark.util.FieldAccessFinder$$anon$3$$anonfun$visitMethodInsn$2.apply(ClosureCleaner.scala:443)
[error] at org.apache.spark.util.FieldAccessFinder$$anon$3$$anonfun$visitMethodInsn$2.apply(ClosureCleaner.scala:426)
[error] at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:733)
[error] at scala.collection.mutable.HashMap$$anon$1$$anonfun$foreach$2.apply(HashMap.scala:103)
[error] at scala.collection.mutable.HashMap$$anon$1$$anonfun$foreach$2.apply(HashMap.scala:103)
[error] at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:230)
[error] at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
[error] at scala.collection.mutable.HashMap$$anon$1.foreach(HashMap.scala:103)
[error] at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:732)
[error] at org.apache.spark.util.FieldAccessFinder$$anon$3.visitMethodInsn(ClosureCleaner.scala:426)
[error] at org.apache.xbean.asm5.ClassReader.a(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.b(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.accept(Unknown Source)
[error] at org.apache.xbean.asm5.ClassReader.accept(Unknown Source)
[error] at org.apache.spark.util.ClosureCleaner$$anonfun$org$apache$spark$util$ClosureCleaner$$clean$14.apply(ClosureCleaner.scala:257)
[error] at org.apache.spark.util.ClosureCleaner$$anonfun$org$apache$spark$util$ClosureCleaner$$clean$14.apply(ClosureCleaner.scala:256)
[error] at scala.collection.immutable.List.foreach(List.scala:381)
[error] at org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:256)
[error] at org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:156)
[error] at org.apache.spark.SparkContext.clean(SparkContext.scala:2294)
[error] at org.apache.spark.rdd.RDD$$anonfun$zipPartitions$1.apply(RDD.scala:877)
[error] at org.apache.spark.rdd.RDD$$anonfun$zipPartitions$1.apply(RDD.scala:877)
[error] at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
[error] at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
[error] at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
[error] at org.apache.spark.rdd.RDD.zipPartitions(RDD.scala:876)
[error] at org.apache.spark.graphx.impl.VertexRDDImpl.diff(VertexRDDImpl.scala:144)
[error] at org.apache.spark.graphx.impl.GraphImpl.mapVertices(GraphImpl.scala:130)
[error] at org.apache.spark.graphx.Pregel$.apply(Pregel.scala:130)
[error] at org.apache.spark.graphx.GraphOps.pregel(GraphOps.scala:370)
[error] at com.github.graphx.pregel.ssp.ShortestPathProblem.shortestPath(ShortestPathProblem.scala:24)
[error] at com.github.graphx.pregel.jobs.ssp.ShortestPathProblemJob$.delayedEndpoint$com$github$graphx$pregel$jobs$ssp$ShortestPathProblemJob$1(ShortestPathProblemJob.scala:17)
[error] at com.github.graphx.pregel.jobs.ssp.ShortestPathProblemJob$delayedInit$body.apply(ShortestPathProblemJob.scala:8)
[error] at scala.Function0$class.apply$mcV$sp(Function0.scala:34)
[error] at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
[error] at scala.App$$anonfun$main$1.apply(App.scala:76)
[error] at scala.App$$anonfun$main$1.apply(App.scala:76)
[error] at scala.collection.immutable.List.foreach(List.scala:381)
[error] at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35)
[error] at scala.App$class.main(App.scala:76)
[error] at com.github.graphx.pregel.jobs.ssp.ShortestPathProblemJob$.main(ShortestPathProblemJob.scala:8)
[error] at com.github.graphx.pregel.jobs.ssp.ShortestPathProblemJob.main(ShortestPathProblemJob.scala)
[error] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] at java.base/java.lang.reflect.Method.invoke(Method.java:564)
[error] at sbt.Run.invokeMain(Run.scala:93)
[error] at sbt.Run.run0(Run.scala:87)
[error] at sbt.Run.execute$1(Run.scala:65)
[error] at sbt.Run.$anonfun$run$4(Run.scala:77)
[error] at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] at sbt.util.InterfaceUtil$$anon$1.get(InterfaceUtil.scala:10)
[error] at sbt.TrapExit$App.run(TrapExit.scala:252)
[error] at java.base/java.lang.Thread.run(Thread.java:844)
19/06/27 15:23:50 ERROR Utils: uncaught error in thread SparkListenerBus, stopping SparkContext
java.lang.InterruptedException
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1025)
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1331)
at java.base/java.util.concurrent.Semaphore.acquire(Semaphore.java:318)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(LiveListenerBus.scala:80)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1.apply$mcV$sp(LiveListenerBus.scala:78)
at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1279)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1.run(LiveListenerBus.scala:77)
19/06/27 15:23:50 ERROR ContextCleaner: Error in cleaning thread
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at org.apache.spark.ContextCleaner$$anonfun$org$apache$spark$ContextCleaner$$keepCleaning$1.apply$mcV$sp(ContextCleaner.scala:181)
at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1279)
at org.apache.spark.ContextCleaner.org$apache$spark$ContextCleaner$$keepCleaning(ContextCleaner.scala:178)
at org.apache.spark.ContextCleaner$$anon$1.run(ContextCleaner.scala:73)
19/06/27 15:23:50 ERROR Utils: throw uncaught fatal error in thread SparkListenerBus
java.lang.InterruptedException
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1025)
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1331)
at java.base/java.util.concurrent.Semaphore.acquire(Semaphore.java:318)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(LiveListenerBus.scala:80)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1$$anonfun$apply$mcV$sp$1.apply(LiveListenerBus.scala:79)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1$$anonfun$run$1.apply$mcV$sp(LiveListenerBus.scala:78)
at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1279)
at org.apache.spark.scheduler.LiveListenerBus$$anon$1.run(LiveListenerBus.scala:77)
[error] java.lang.RuntimeException: Nonzero exit code: 1
[error] at sbt.Run$.executeTrapExit(Run.scala:124)
[error] at sbt.Run.run(Run.scala:77)
[error] at sbt.Defaults$.$anonfun$bgRunMainTask$6(Defaults.scala:1146)
[error] at sbt.Defaults$.$anonfun$bgRunMainTask$6$adapted(Defaults.scala:1141)
[error] at sbt.internal.BackgroundThreadPool.$anonfun$run$1(DefaultBackgroundJobService.scala:366)
[error] at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] at scala.util.Try$.apply(Try.scala:209)
[error] at sbt.internal.BackgroundThreadPool$BackgroundRunnable.run(DefaultBackgroundJobService.scala:289)
[error] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
[error] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
[error] at java.base/java.lang.Thread.run(Thread.java:844)
[error] (Compile / runMain) Nonzero exit code: 1
[error] Total time: 6 s, completed 27-Jun-2019, 3:23:50 PM

Spark GraphX PageRank showcase

sbt

runMain com.github.graphx.pregel.jobs.social.SocialGraphJoB

The 'B' at the end should be lower case.

$ sbt runMain com.github.graphx.pregel.ssp.demo.ShortestPathProblemDemo
[info] Loading settings from plugins.sbt ...
[info] Loading project definition from /home/mahboob/Code/latest/spark/introduction-to-spark/spark-graphx/project
[info] Loading settings from build.sbt ...
[info] Set current project to spark-graphx (in build file:/home/mahboob/Code/latest/spark/introduction-to-spark/spark-graphx/)
[error] Not a valid command: runMain
[error] Expected whitespace character
[error] runMain
[error] ^