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

java.lang.NullPointerException: 	at org.apache.hadoop.yarn.proto.YarnServiceProtos$RegisterApplicationMasterRequestProto$Builder.setTrackingUrl(YarnServiceProtos.java:710)	at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RegisterApplicationMasterRequestPBImpl.setTrackingUrl(RegisterApplicationMasterRequestPBImpl.java:132)	at org.apache.spark.deploy.yarn.YarnRMClientImpl.registerApplicationMaster(YarnRMClientImpl.scala:102)	at org.apache.spark.deploy.yarn.YarnRMClientImpl.register(YarnRMClientImpl.scala:55)	at org.apache.spark.deploy.yarn.YarnRMClientImpl.register(YarnRMClientImpl.scala:38)	at org.apache.spark.deploy.yarn.ApplicationMaster.registerAM(ApplicationMaster.scala:168)	at org.apache.spark.deploy.yarn.ApplicationMaster.runExecutorLauncher(ApplicationMaster.scala:206)	at org.apache.spark.deploy.yarn.ApplicationMaster.run(ApplicationMaster.scala:120)