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Posted to issues@spark.apache.org by "Peter Taylor (JIRA)" <ji...@apache.org> on 2015/06/15 13:35:00 UTC
[jira] [Commented] (SPARK-2898) Failed to connect to daemon
[ https://issues.apache.org/jira/browse/SPARK-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585809#comment-14585809 ]
Peter Taylor commented on SPARK-2898:
-------------------------------------
FYI
java.io.IOException: Cannot run program "python": error=316, Unknown error: 316
I have seen this error to occur on mac because lib/jspawnhelper is missing execute permissions in your jre.
> Failed to connect to daemon
> ---------------------------
>
> Key: SPARK-2898
> URL: https://issues.apache.org/jira/browse/SPARK-2898
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 1.1.0
> Reporter: Davies Liu
> Assignee: Davies Liu
> Fix For: 1.1.0
>
>
> There is a deadlock in handle_sigchld() because of logging
> --------------------------------------------------------------------
> Java options: -Dspark.storage.memoryFraction=0.66 -Dspark.serializer=org.apache.spark.serializer.JavaSerializer -Dspark.executor.memory=3g -Dspark.locality.wait=60000000
> Options: SchedulerThroughputTest --num-tasks=10000 --num-trials=4 --inter-trial-wait=1
> --------------------------------------------------------------------
> 14/08/06 22:09:41 WARN JettyUtils: Failed to create UI on port 4040. Trying again on port 4041. - Failure(java.net.BindException: Address already in use)
> worker 50114 crashed abruptly with exit status 1
> 14/08/06 22:10:37 ERROR Executor: Exception in task 1476.0 in stage 1.0 (TID 11476)
> org.apache.spark.SparkException: Python worker exited unexpectedly (crashed)
> at org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:150)
> at org.apache.spark.api.python.PythonRDD$$anon$1.<init>(PythonRDD.scala:154)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:87)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.EOFException
> at java.io.DataInputStream.readInt(DataInputStream.java:392)
> at org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:101)
> ... 10 more
> 14/08/06 22:10:37 WARN PythonWorkerFactory: Failed to open socket to Python daemon:
> java.net.ConnectException: Connection refused
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:579)
> at java.net.Socket.connect(Socket.java:528)
> at java.net.Socket.<init>(Socket.java:425)
> at java.net.Socket.<init>(Socket.java:241)
> at org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:68)
> at org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 14/08/06 22:10:37 ERROR Executor: Exception in task 1478.0 in stage 1.0 (TID 11478)
> java.io.EOFException
> at java.io.DataInputStream.readInt(DataInputStream.java:392)
> at org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:69)
> at org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 14/08/06 22:10:37 WARN PythonWorkerFactory: Assuming that daemon unexpectedly quit, attempting to restart
> 14/08/06 22:10:37 WARN TaskSetManager: Lost task 1476.0 in stage 1.0 (TID 11476, localhost): org.apache.spark.SparkException: Python worker exited unexpectedly (crashed)
> org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:150)
> org.apache.spark.api.python.PythonRDD$$anon$1.<init>(PythonRDD.scala:154)
> org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:87)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> org.apache.spark.scheduler.Task.run(Task.scala:54)
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> java.lang.Thread.run(Thread.java:745)
> 14/08/06 22:10:37 ERROR TaskSetManager: Task 1476 in stage 1.0 failed 1 times; aborting job
> 14/08/06 22:10:37 WARN TaskSetManager: Lost task 1478.0 in stage 1.0 (TID 11478, localhost): java.io.EOFException:
> java.io.DataInputStream.readInt(DataInputStream.java:392)
> org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:69)
> org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> org.apache.spark.scheduler.Task.run(Task.scala:54)
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> java.lang.Thread.run(Thread.java:745)
> Another one:
> Daemon failed to fork PySpark worker: [Errno 35] Resource temporarily unavailable
> 14/08/07 12:04:37 ERROR Executor: Exception in task 15579.0 in stage 0.0 (TID 15579)
> java.lang.IllegalStateException: Python daemon failed to launch worker
> at org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:71)
> at org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 14/08/07 12:04:37 WARN TaskSetManager: Lost task 15579.0 in stage 0.0 (TID 15579, localhost): java.lang.IllegalStateException: Python daemon failed to launch worker
> org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:71)
> org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> org.apache.spark.scheduler.Task.run(Task.scala:54)
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> java.lang.Thread.run(Thread.java:745)
> 14/08/07 12:04:37 ERROR TaskSetManager: Task 15579 in stage 0.0 failed 1 times; aborting job
> worker 17037 crashed abruptly with exit status 1
> 14/08/07 12:06:34 ERROR Executor: Exception in task 19607.0 in stage 0.0 (TID 19607)
> java.io.EOFException
> at java.io.DataInputStream.readInt(DataInputStream.java:392)
> at org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:69)
> at org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 14/08/07 12:06:34 WARN PythonWorkerFactory: Failed to open socket to Python daemon:
> java.net.ConnectException: Connection refused
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:579)
> at java.net.Socket.connect(Socket.java:528)
> at java.net.Socket.<init>(Socket.java:425)
> at java.net.Socket.<init>(Socket.java:241)
> at org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:68)
> at org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> 4/08/07 12:06:34 ERROR Executor: Exception in task 19604.0 in stage 0.0 (TID 19604)
> org.apache.spark.SparkException: Python worker exited unexpectedly (crashed)
> at org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:150)
> at org.apache.spark.api.python.PythonRDD$$anon$1.<init>(PythonRDD.scala:154)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:87)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.EOFException
> at java.io.DataInputStream.readInt(DataInputStream.java:392)
> at org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:101)
> ... 10 more
> 14/08/07 12:06:34 WARN PythonWorkerFactory: Assuming that daemon unexpectedly quit, attempting to restart
> 14/08/07 12:06:34 WARN TaskSetManager: Lost task 19604.0 in stage 0.0 (TID 19604, localhost): org.apache.spark.SparkException: Python worker exited unexpectedly (crashed)
> org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:150)
> org.apache.spark.api.python.PythonRDD$$anon$1.<init>(PythonRDD.scala:154)
> org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:87)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> org.apache.spark.scheduler.Task.run(Task.scala:54)
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> java.lang.Thread.run(Thread.java:745)
> 14/08/07 12:06:34 ERROR TaskSetManager: Task 19604 in stage 0.0 failed 1 times; aborting job
> 14/08/07 12:06:34 WARN TaskSetManager: Lost task 19607.0 in stage 0.0 (TID 19607, localhost): java.io.EOFException:
> java.io.DataInputStream.readInt(DataInputStream.java:392)
> org.apache.spark.api.python.PythonWorkerFactory.createSocket$1(PythonWorkerFactory.scala:69)
> org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:83)
> org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> org.apache.spark.scheduler.Task.run(Task.scala:54)
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> java.lang.Thread.run(Thread.java:745)
> 14/08/07 13:29:01 WARN PythonWorkerFactory: Assuming that daemon unexpectedly quit, attempting to restart
> 14/08/07 13:29:01 ERROR Executor: Exception in task 9085.0 in stage 0.0 (TID 9085)
> java.io.IOException: Cannot run program "python": error=2, No such file or directory
> at java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
> at org.apache.spark.api.python.PythonWorkerFactory.startDaemon(PythonWorkerFactory.scala:149)
> at org.apache.spark.api.python.PythonWorkerFactory.liftedTree1$1(PythonWorkerFactory.scala:89)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:82)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: error=2, No such file or directory
> at java.lang.UNIXProcess.forkAndExec(Native Method)
> at java.lang.UNIXProcess.<init>(UNIXProcess.java:184)
> at java.lang.ProcessImpl.start(ProcessImpl.java:130)
> at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)
> ... 14 more
> 14/08/07 13:29:01 ERROR Executor: Exception in task 9084.0 in stage 0.0 (TID 9084)
> java.io.IOException: Cannot run program "python": error=316, Unknown error: 316
> at java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
> at org.apache.spark.api.python.PythonWorkerFactory.startDaemon(PythonWorkerFactory.scala:149)
> at org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:79)
> at org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:55)
> at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:101)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:66)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62)
> at org.apache.spark.scheduler.Task.run(Task.scala:54)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: error=316, Unknown error: 316
> at java.lang.UNIXProcess.forkAndExec(Native Method)
> at java.lang.UNIXProcess.<init>(UNIXProcess.java:184)
> at java.lang.ProcessImpl.start(ProcessImpl.java:130)
> at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)
> ... 13 more
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