Getting Error while running a sqoop script using yarn distributed shell. Submitting the job from name node and using required Kerberos principal. 16/09/06 12:33:53 WARN ipc.Client: Exception encountered while connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)] at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211) ... View more

I am trying to use yarn distributed shell. I am executing yarn node -list command to list the nodes present in a 4 node HDP cluster. But it is only listing the node where i am executing the command, not the whole node list. However, I am able to see all the datanodes and namenodes from Ambari UI. ... View more

I am trying to import a oracle table data using sqoop action in oozie. I am getting error as WARN SqoopActionExecutor:523 - SERVER[****] USER[hadoop] GROUP[-] TOKEN[] APP[sample-wf] JOB[0000134-160802050043050-oozie-oozi-W] ACTION[0000134-160802050043050-oozie-oozi-W@source2landingZone] Launcher ERROR, reason: Main class [org.apache.oozie.action.hadoop.SqoopMain], exit code [1] Below is my workflow.xml. <workflow-app name="sample-wf" xmlns="uri:oozie:workflow:0.1"> <start to="source2landingZone"/> <action name="source2landingZone"> <sqoop xmlns="uri:oozie:sqoop-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <command>sqoop import --connect jdbc:oracle:thin:@//****:1521/orcl --username *** --password *** --table TEST_SQOOP --target-dir /user/hadoop/generic/test55 -m 1</command> </sqoop> <ok to="end"/> <error to="kill"/> </action> <kill name="kill"> <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app> ... View more