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via Stack Overflow by Anil Thyagarajan
, 1 year ago
JA009: Failed to load class: [org.apache.hadoop.mapreduce.v2.api.impl.pb.client.MRClientProtocolPBClientImpl]
via Stack Overflow by Reddevil
, 2 years ago
JA006: Call From labuser-VirtualBox/127.0.1.1 to localhost:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via GitHub by Crandel
, 9 months ago
JA006: Call From node-1.hadoop/192.168.123.2 to node-1.hadoop:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
via Stack Overflow by EddieM
, 1 year ago
org.apache.oozie.action.ActionExecutorException: JA009: Failed to load class: [org.apache.hadoop.mapreduce.v2.api.impl.pb.client.MRClientProtocolPBClientImpl] at org.apache.oozie.action.ActionExecutor.convertExceptionHelper(ActionExecutor.java:456) at org.apache.oozie.action.ActionExecutor.convertException(ActionExecutor.java:440) at org.apache.oozie.action.hadoop.JavaActionExecutor.check(JavaActionExecutor.java:1456) at org.apache.oozie.command.wf.ActionCheckXCommand.execute(ActionCheckXCommand.java:182) at org.apache.oozie.command.wf.ActionCheckXCommand.execute(ActionCheckXCommand.java:56) at org.apache.oozie.command.XCommand.call(XCommand.java:286) at org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:321) at org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:250) at org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)Caused by: java.io.IOException: Failed to load class: [org.apache.hadoop.mapreduce.v2.api.impl.pb.client.MRClientProtocolPBClientImpl] at org.apache.hadoop.mapred.ClientServiceDelegate.invoke(ClientServiceDelegate.java:357) at org.apache.hadoop.mapred.ClientServiceDelegate.getJobStatus(ClientServiceDelegate.java:428) at org.apache.hadoop.mapred.YARNRunner.getJobStatus(YARNRunner.java:572) at org.apache.hadoop.mapreduce.Cluster.getJob(Cluster.java:184) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:593) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:591) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) at org.apache.hadoop.mapred.JobClient.getJobUsingCluster(JobClient.java:591) at org.apache.hadoop.mapred.JobClient.getJobInner(JobClient.java:601) at org.apache.hadoop.mapred.JobClient.getJob(JobClient.java:631) at org.apache.oozie.action.hadoop.JavaActionExecutor.getRunningJob(JavaActionExecutor.java:1333) at org.apache.oozie.action.hadoop.JavaActionExecutor.check(JavaActionExecutor.java:1356) ... 9 more