[hadoop@hadoop bin]$ sh submit.log.streaming.kafka.complicated.sh Spark assembly has been built with Hive, including Datanucleus jars on classpath Start to run MyKafkaWordCount Exception in thread "main" java.net.ConnectException: Call From hadoop.master/192.168.26.137 to hadoop.master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused 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 org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783) at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730) at org.apache.hadoop.ipc.Client.call(Client.java:1414) at org.apache.hadoop.ipc.Client.call(Client.java:1363) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) at com.sun.proxy.$Proxy18.getFileInfo(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:190) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:103) at com.sun.proxy.$Proxy18.getFileInfo(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:699) at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1762) at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1124) at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1120) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1120) at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1398) at org.apache.spark.util.FileLogger.createLogDir(FileLogger.scala:123) at org.apache.spark.util.FileLogger.start(FileLogger.scala:115) at org.apache.spark.scheduler.EventLoggingListener.start(EventLoggingListener.scala:74) at org.apache.spark.SparkContext.<init>(SparkContext.scala:353) at org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:571) at org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:74) at spark.examples.streaming.MyKafkaWordCount$.main(MyKafkaWordCount.scala:14) at spark.examples.streaming.MyKafkaWordCount.main(MyKafkaWordCount.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.spark.deploy.SparkSubmit$.launch(SparkSubmit.scala:358) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:75) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493) at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:604) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:699) at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:367) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1462) at org.apache.hadoop.ipc.Client.call(Client.java:1381) ... 32 more
bit1...@163.com From: Ted Yu Date: 2015-02-24 10:24 To: bit1...@163.com CC: user Subject: Re: Does Spark Streaming depend on Hadoop? Can you pastebin the whole stack trace ? Thanks On Feb 23, 2015, at 6:14 PM, "bit1...@163.com" <bit1...@163.com> wrote: Hi, When I submit a spark streaming application with following script, ./spark-submit --name MyKafkaWordCount --master local[20] --executor-memory 512M --total-executor-cores 2 --class spark.examples.streaming.MyKafkaWordCount my.kakfa.wordcountjar An exception occurs: Exception in thread "main" java.net.ConnectException: Call From hadoop.master/192.168.26.137 to hadoop.master:9000 failed on connection exception. From the exception, it tries to connect to 9000 which is for Hadoop/HDFS. and I don't use Hadoop at all in my code(such as save to HDFS). bit1...@163.com