java.io.IOException: java.io.IOException: java.net.ConnectException: Call From m1.hdp2/192.168.178.201 to 0.0.0.0:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

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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 tobi
, 1 year ago
java.io.IOException: java.net.ConnectException: Call From m1.hdp2/192.168.178.201 to 0.0.0.0:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via Stack Overflow by badroit
, 2 years ago
java.io.IOException: java.net.NoRouteToHostException: No Route to Host from cluster-01/10.10.10.11 to 0.0.0.0:10020 failed on socket timeout exception: java.net.NoRouteToHostException: No route to host; For more details see: http://wiki.apache.org/hadoop/NoRouteToHost
java.io.IOException: java.io.IOException: java.net.ConnectException: Call From m1.hdp2/192.168.178.201 to 0.0.0.0:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
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$2900(Client.java:375)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1528)
at org.apache.hadoop.ipc.Client.call(Client.java:1451)
at org.apache.hadoop.ipc.Client.call(Client.java:1412)
at com.sun.proxy.$Proxy14.getJobReport(Unknown Source)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.mapred.ClientServiceDelegate.invoke(ClientServiceDelegate.java:324)
at org.apache.hadoop.mapred.ClientServiceDelegate.getJobStatus(ClientServiceDelegate.java:428)
at org.apache.hadoop.mapred.YARNRunner.getJobStatus(YARNRunner.java:572)
at org.apache.pig.backend.hadoop.executionengine.shims.HadoopShims.getCounters(HadoopShims.java:126)
at org.apache.pig.tools.pigstats.mapreduce.MRJobStats.addCounters(MRJobStats.java:284)
at org.apache.pig.tools.pigstats.mapreduce.MRPigStatsUtil.addSuccessJobStats(MRPigStatsUtil.java:235)
at org.apache.pig.tools.pigstats.mapreduce.MRPigStatsUtil.accumulateStats(MRPigStatsUtil.java:165)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:360)
at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:308)
at org.apache.pig.PigServer.launchPlan(PigServer.java:1474)
at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1459)
at org.apache.pig.PigServer.execute(PigServer.java:1448)
at org.apache.pig.PigServer.access$500(PigServer.java:118)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1773)
at org.apache.pig.PigServer.registerQuery(PigServer.java:707)
at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:1075)
at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:505)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:231)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:206)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:66)
at org.apache.pig.Main.run(Main.java:564)
at org.apache.pig.Main.main(Main.java:176)
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:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)

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