org.apache.spark.SparkException: Python worker did not connect back in time

Stack Overflow | miniscem | 4 months ago
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    Root Cause Analysis

    1. java.net.SocketTimeoutException

      Accept timed out

      at java.net.DualStackPlainSocketImpl.waitForNewConnection()
    2. Java RT
      ServerSocket.accept
      1. java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method)
      2. java.net.DualStackPlainSocketImpl.socketAccept(DualStackPlainSocketImpl.java:135)
      3. java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
      4. java.net.PlainSocketImpl.accept(PlainSocketImpl.java:199)
      5. java.net.ServerSocket.implAccept(ServerSocket.java:545)
      6. java.net.ServerSocket.accept(ServerSocket.java:513)
      6 frames
    3. Spark
      Executor$TaskRunner.run
      1. org.apache.spark.api.python.PythonWorkerFactory.createSimpleWorker(PythonWorkerFactory.scala:131)
      2. org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:65)
      3. org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:134)
      4. org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:101)
      5. org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:70)
      6. org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
      7. org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
      8. org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
      9. org.apache.spark.scheduler.Task.run(Task.scala:89)
      10. org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)
      10 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      3. java.lang.Thread.run(Thread.java:745)
      3 frames