执行spark-sql --master local 请教：
ERROR spark.SparkContext: Error initializing SparkContext.
org.apache.spark.SparkException: Exception when registering SparkListener
执行spark-sql --master yarn请教：
ERROR yarn.ApplicationMaster: Uncaught exception:
org.apache.spark.SparkException: Exception thrown in awaitResult:
at org.apache.spark.util.ThreadUtils$.awaitResult(ThreadUtils.scala:226)
at org.apache.spark.rpc.RpcTimeout.awaitResult(RpcTimeout.scala:75)
at org.apache.spark.rpc.RpcEndpointRef.askSync(RpcEndpointRef.scala:92)
at org.apache.spark.rpc.RpcEndpointRef.askSync(RpcEndpointRef.scala:76)
at org.apache.spark.deploy.yarn.ApplicationMaster.createAllocator(ApplicationMaster.scala:393)
at org.apache.spark.deploy.yarn.ApplicationMaster.runExecutorLauncher(ApplicationMaster.scala:497)
at org.apache.spark.deploy.yarn.ApplicationMaster.run(ApplicationMaster.scala:277)
at org.apache.spark.deploy.yarn.ApplicationMaster$$anon$3.run(ApplicationMaster.scala:805)
at org.apache.spark.deploy.yarn.ApplicationMaster$$anon$3.run(ApplicationMaster.scala:804)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875)
at org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:804)
at org.apache.spark.deploy.yarn.ExecutorLauncher$.main(ApplicationMaster.scala:836)
at org.apache.spark.deploy.yarn.ExecutorLauncher.main(ApplicationMaster.scala)
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.spark.scheduler.cluster.CoarseGrainedClusterMessages$RetrieveDelegationTokens
能把你目录结构和spark-sql文件内容贴一下吗？从报错来看，感觉你少了jar包或者你调用的版本不对