It seems the netty jar works with an incompatible method signature. Can you check if there different versions of netty jar in your classpath?
From: Walrus theCat [mailto:walrusthe...@gmail.com] Sent: Sunday, January 18, 2015 3:37 PM To: user@spark.apache.org Subject: Re: SparkSQL 1.2.0 sources API error I'm getting this also, with Scala 2.11 and Scala 2.10: 15/01/18 07:34:51 INFO slf4j.Slf4jLogger: Slf4jLogger started 15/01/18 07:34:51 INFO Remoting: Starting remoting 15/01/18 07:34:51 ERROR actor.ActorSystemImpl: Uncaught fatal error from thread [sparkDriver-akka.remote.default-remote-dispatcher-7] shutting down ActorSystem [sparkDriver] java.lang.NoSuchMethodError: org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(Ljava/util/concurrent/Executor;I)V at akka.remote.transport.netty.NettyTransport.<init>(NettyTransport.scala:283) at akka.remote.transport.netty.NettyTransport.<init>(NettyTransport.scala:240) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$2.apply(DynamicAccess.scala:78) at scala.util.Try$.apply(Try.scala:161) at akka.actor.ReflectiveDynamicAccess.createInstanceFor(DynamicAccess.scala:73) at akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$3.apply(DynamicAccess.scala:84) at akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$3.apply(DynamicAccess.scala:84) at scala.util.Success.flatMap(Try.scala:200) at akka.actor.ReflectiveDynamicAccess.createInstanceFor(DynamicAccess.scala:84) at akka.remote.EndpointManager$$anonfun$9.apply(Remoting.scala:692) at akka.remote.EndpointManager$$anonfun$9.apply(Remoting.scala:684) at scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:722) at scala.collection.Iterator$class.foreach(Iterator.scala:727) at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at scala.collection.AbstractIterable.foreach(Iterable.scala:54) at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:721) at akka.remote.EndpointManager.akka$remote$EndpointManager$$listens(Remoting.scala:684) at akka.remote.EndpointManager$$anonfun$receive$2.applyOrElse(Remoting.scala:492) at akka.actor.Actor$class.aroundReceive(Actor.scala:465) at akka.remote.EndpointManager.aroundReceive(Remoting.scala:395) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke(ActorCell.scala:487) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) at akka.dispatch.Mailbox.run(Mailbox.scala:220) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) 15/01/18 07:34:51 INFO remote.RemoteActorRefProvider$RemotingTerminator: Shutting down remote daemon. 15/01/18 07:34:51 INFO remote.RemoteActorRefProvider$RemotingTerminator: Remote daemon shut down; proceeding with flushing remote transports. 15/01/18 07:34:51 INFO remote.RemoteActorRefProvider$RemotingTerminator: Remoting shut down. Exception in thread "main" java.util.concurrent.TimeoutException: Futures timed out after [10000 milliseconds] at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219) at scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223) at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:107) at scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53) at scala.concurrent.Await$.result(package.scala:107) at akka.remote.Remoting.start(Remoting.scala:180) at akka.remote.RemoteActorRefProvider.init(RemoteActorRefProvider.scala:184) at akka.actor.ActorSystemImpl.liftedTree2$1(ActorSystem.scala:618) at akka.actor.ActorSystemImpl._start$lzycompute(ActorSystem.scala:615) at akka.actor.ActorSystemImpl._start(ActorSystem.scala:615) at akka.actor.ActorSystemImpl.start(ActorSystem.scala:632) at akka.actor.ActorSystem$.apply(ActorSystem.scala:141) at akka.actor.ActorSystem$.apply(ActorSystem.scala:118) at org.apache.spark.util.AkkaUtils$.org$apache$spark$util$AkkaUtils$$doCreateActorSystem(AkkaUtils.scala:121) at org.apache.spark.util.AkkaUtils$$anonfun$1.apply(AkkaUtils.scala:54) at org.apache.spark.util.AkkaUtils$$anonfun$1.apply(AkkaUtils.scala:53) at org.apache.spark.util.Utils$$anonfun$startServiceOnPort$1.apply$mcVI$sp(Utils.scala:1676) at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:141) at org.apache.spark.util.Utils$.startServiceOnPort(Utils.scala:1667) at org.apache.spark.util.AkkaUtils$.createActorSystem(AkkaUtils.scala:56) at org.apache.spark.SparkEnv$.create(SparkEnv.scala:206) at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:159) at org.apache.spark.SparkContext.<init>(SparkContext.scala:232) at org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:571) at org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:583) at org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:90) On Sat, Jan 3, 2015 at 6:01 AM, Cheng Lian <lian.cs....@gmail.com<mailto:lian.cs....@gmail.com>> wrote: Most of the time a NoSuchMethodError means wrong classpath settings, and some jar file is overriden by a wrong version. In your case it could be netty. On 1/3/15 1:36 PM, Niranda Perera wrote: Hi all, I am evaluating the spark sources API released with Spark 1.2.0. But I'm getting a "ava.lang.NoSuchMethodError: org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(Ljava/util/concurrent/Executor;I)V" error running the program. Error log: 15/01/03 10:41:30 ERROR ActorSystemImpl: Uncaught fatal error from thread [sparkDriver-akka.remote.default-remote-dispatcher-5] shutting down ActorSystem [sparkDriver] java.lang.NoSuchMethodError: org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(Ljava/util/concurrent/Executor;I)V at akka.remote.transport.netty.NettyTransport.<init>(NettyTransport.scala:283) at akka.remote.transport.netty.NettyTransport.<init>(NettyTransport.scala:240) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$2.apply(DynamicAccess.scala:78) at scala.util.Try$.apply(Try.scala:161) at akka.actor.ReflectiveDynamicAccess.createInstanceFor(DynamicAccess.scala:73) at akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$3.apply(DynamicAccess.scala:84) at akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$3.apply(DynamicAccess.scala:84) at scala.util.Success.flatMap(Try.scala:200) at akka.actor.ReflectiveDynamicAccess.createInstanceFor(DynamicAccess.scala:84) at akka.remote.EndpointManager$$anonfun$9.apply(Remoting.scala:692) at akka.remote.EndpointManager$$anonfun$9.apply(Remoting.scala:684) at scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:722) at scala.collection.Iterator$class.foreach(Iterator.scala:727) at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at scala.collection.AbstractIterable.foreach(Iterable.scala:54) at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:721) at akka.remote.EndpointManager.akka$remote$EndpointManager$$listens(Remoting.scala:684) at akka.remote.EndpointManager$$anonfun$receive$2.applyOrElse(Remoting.scala:492) at akka.actor.Actor$class.aroundReceive(Actor.scala:465) at akka.remote.EndpointManager.aroundReceive(Remoting.scala:395) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke(ActorCell.scala:487) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) at akka.dispatch.Mailbox.run(Mailbox.scala:220) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Following is my simple Java code: public class AvroSparkTest { public static void main(String[] args) throws Exception { SparkConf sparkConf = new SparkConf() .setMaster("local[2]") .setAppName("avro-spark-test") .setSparkHome("/home/niranda/software/spark-1.2.0-bin-hadoop1"); JavaSparkContext sparkContext = new JavaSparkContext(sparkConf); JavaSQLContext sqlContext = new JavaSQLContext(sparkContext); JavaSchemaRDD episodes = AvroUtils.avroFile(sqlContext, "/home/niranda/projects/avro-spark-test/src/test/resources/episodes.avro"); episodes.printSchema(); } } Dependencies: <dependencies> <dependency> <groupId>com.databricks</groupId> <artifactId>spark-avro_2.10</artifactId> <version>0.1</version> </dependency> <dependency> <groupId>org.apache.spark</groupId> <artifactId>spark-sql_2.10</artifactId> <version>1.2.0</version> </dependency> </dependencies> I'm using Java 1.7, IntelliJ IDEA and Maven as the build tool. What might cause this error and what may be the remedy? Cheers -- Niranda