Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    Expert tip

    This was a bug at HBase 1.0.1, it has been patched, so an update to 1.0.2 or further should solve the problem. URL for the Jira thread: https://goo.gl/c5oa6f

Solutions on the web

via Stack Overflow by Marko
, 1 year ago
Call From marko/127.0.1.1 to localhost:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via Stack Overflow by yl jiang
, 1 year ago
Call From hadoop/192.168.81.129 to localhost:9000 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via GitHub by kitgary
, 1 year ago
Call From lambda-pluralsight/127.0.0.1 to lambda-pluralsight:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via Stack Overflow by JavaAmateur
, 1 year ago
Call From dachen-VirtualBox/127.0.1.1 to localhost:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via Stack Overflow by Rain Fitzgerald
, 1 year ago
Call From ip-172-31-8-103.us-west-1.compute.internal/172.31.8.103 to localhost:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via Stack Overflow by John Simon
, 3 months ago
Call From ajith-HP-ENVY-17-Notebook-PC/127.0.1.1 to localhost:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
java.net.ConnectException: Connection refused	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:716)	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)	at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:614)	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:712)	at org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:375)	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1528)	at org.apache.hadoop.ipc.Client.call(Client.java:1451)	at org.apache.hadoop.ipc.Client.call(Client.java:1412)	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)	at com.sun.proxy.$Proxy20.getFileInfo(Unknown Source)	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)	at com.sun.proxy.$Proxy21.getFileInfo(Unknown Source)	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2108)	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)	at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1317)	at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:57)	at org.apache.hadoop.fs.Globber.glob(Globber.java:252)	at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1674)	at org.apache.hadoop.mapred.FileInputFormat.singleThreadedListStatus(FileInputFormat.java:259)	at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:229)	at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:315)	at org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:200)	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:248)	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:246)	at scala.Option.getOrElse(Option.scala:121)	at org.apache.spark.rdd.RDD.partitions(RDD.scala:246)	at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:35)	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:248)	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:246)	at scala.Option.getOrElse(Option.scala:121)	at org.apache.spark.rdd.RDD.partitions(RDD.scala:246)	at org.apache.spark.api.python.PythonRDD.getPartitions(PythonRDD.scala:53)	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:248)	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:246)	at scala.Option.getOrElse(Option.scala:121)	at org.apache.spark.rdd.RDD.partitions(RDD.scala:246)	at org.apache.spark.SparkContext.runJob(SparkContext.scala:1911)	at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:893)	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)	at org.apache.spark.rdd.RDD.withScope(RDD.scala:358)	at org.apache.spark.rdd.RDD.collect(RDD.scala:892)	at org.apache.spark.api.python.PythonRDD$.collectAndServe(PythonRDD.scala:453)	at org.apache.spark.api.python.PythonRDD.collectAndServe(PythonRDD.scala)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)	at py4j.Gateway.invoke(Gateway.java:280)	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:128)	at py4j.commands.CallCommand.execute(CallCommand.java:79)	at py4j.GatewayConnection.run(GatewayConnection.java:211)	at java.lang.Thread.run(Thread.java:745)