Sandy Ryza created SPARK-3014:
---------------------------------
Summary: Log a more informative message when yarn-cluster app
fails because SparkContext wasn't initialized
Key: SPARK-3014
URL: https://issues.apache.org/jira/browse/SPARK-3014
Project: Spark
Issue Type: Improvement
Components: YARN
Affects Versions: 1.0.2
Reporter: Sandy Ryza
Priority: Minor
This is what shows up currently:
{code}
Exception in thread "Thread-4" java.lang.NullPointerException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.spark.deploy.yarn.ApplicationMaster$$anon$2.run(ApplicationMaster.scala:187)
Exception in thread "main" java.lang.AssertionError: assertion failed
at scala.Predef$.assert(Predef.scala:165)
at
org.apache.spark.deploy.yarn.ApplicationMaster.waitForSparkContextInitialized(ApplicationMaster.scala:223)
at
org.apache.spark.deploy.yarn.ApplicationMaster.run(ApplicationMaster.scala:112)
at
org.apache.spark.deploy.yarn.ApplicationMaster$$anonfun$main$1.apply$mcV$sp(ApplicationMaster.scala:470)
at
org.apache.spark.deploy.SparkHadoopUtil$$anon$1.run(SparkHadoopUtil.scala:53)
at
org.apache.spark.deploy.SparkHadoopUtil$$anon$1.run(SparkHadoopUtil.scala:52)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1554)
at
org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:52)
at
org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:469)
at
org.apache.spark.deploy.yarn.ApplicationMaster.main(ApplicationMaster.scala)
{code}
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