今天写spark，在本地运行正常，在yarn上执行报了这么个异常，原因既然是我在把代码setMaster注释掉 java.util.concurrent.TimeoutException: Futures timed out after [100000 milliseconds] at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219) at scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223) at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:107) at scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53) at scala.concurrent.Await$.result(package.scala:107) at org.apache.spark.deploy.yarn.ApplicationMaster.runDriver(ApplicationMaster.scala:354) at org.apache.spark.deploy.yarn.ApplicationMaster.run(ApplicationMaster.scala:197) at org.apache.spark.deploy.yarn.ApplicationMaster$$anonfun$main$1.apply$mcV$sp(ApplicationMaster.scala:695) at org.apache.spark.deploy.SparkHadoopUtil$$anon$1.run(SparkHadoopUtil.scala:69) at org.apache.spark.deploy.SparkHadoopUtil$$anon$1.run(SparkHadoopUtil.scala:68) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1920) at org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:68) at org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:693) at org.apache.spark.deploy.yarn.ApplicationMaster.main(ApplicationMaster.scala) 注释掉就好了
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