Is it related with Spark version upgrade ?
Best, Danny Chan 在 2020年1月10日 +0800 PM2:50，Vladimir Sitnikov <[email protected]>，写道： > In case you wondered, the exception there is OOM in JVM 1.8: > > java.lang.OutOfMemoryError: unable to create new native thread > at java.lang.Thread.start0(Native Method) > at java.lang.Thread.start(Thread.java:717) > at > java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957) > at > java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1367) > at > org.apache.spark.MapOutputTrackerMaster$$anonfun$1.apply$mcVI$sp(MapOutputTracker.scala:315) > at > scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:141) > at > org.apache.spark.MapOutputTrackerMaster.<init>(MapOutputTracker.scala:314) > at org.apache.spark.SparkEnv$.create(SparkEnv.scala:307) > at > org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:175) > at > org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:257) > at > org.apache.spark.SparkContext.<init>(SparkContext.scala:432) > at > org.apache.spark.SparkContext.<init>(SparkContext.scala:145) > at > org.apache.spark.SparkContext.<init>(SparkContext.scala:159) > at > org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:64) > > > Vladimir
