check your cluster UI to ensure that workers are registered and have sufficient resources

完整报错如下:

WARN TaskSchedulerImpl: Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient resources

------------------------------------------------------------------------------------------------------------------------------------------------------------

①访问http://master:8080/

点击下面的Running Applications

②选择下面RUNNING中的stderr

得到下面的报错:

java.io.InvalidClassException: scala.collection.mutable.WrappedArray$ofRef; local class incompatible: stream classdesc serialVersionUID = 3456489343829468865, local class serialVersionUID = 1028182004549731694
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:616)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1843)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1713)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2000)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1535)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2245)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2169)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2027)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1535)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:422)
	at org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:76)
	at org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:109)
	at org.apache.spark.rpc.netty.NettyRpcEnv.$anonfun$deserialize$2(NettyRpcEnv.scala:292)
	at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
	at org.apache.spark.rpc.netty.NettyRpcEnv.deserialize(NettyRpcEnv.scala:345)
	at org.apache.spark.rpc.netty.NettyRpcEnv.$anonfun$deserialize$1(NettyRpcEnv.scala:291)
	at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62)
	at org.apache.spark.rpc.netty.NettyRpcEnv.deserialize(NettyRpcEnv.scala:291)
	at org.apache.spark.rpc.netty.NettyRpcEnv.$anonfun$askAbortable$7(NettyRpcEnv.scala:246)
	at org.apache.spark.rpc.netty.NettyRpcEnv.$anonfun$askAbortable$7$adapted(NettyRpcEnv.scala:246)
	at org.apache.spark.rpc.netty.RpcOutboxMessage.onSuccess(Outbox.scala:90)
	at org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:194)
	at org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)
	at org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
	at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
	at org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Thread.java:748)

最终办法:

jps检查两个节点是否都有启动worker

修改File->Project Structure->Libraries中的Scala SDK为自己的$SCALA_HOME。

 

mvn clean

mvn package