pyspark用pipe管道调用bash脚本时，遇到Permission Denied问题

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当用pyspark在CDH的yarn集群上运行时，用pipe管道调用bash脚本若遇到如下问题

"/usr/lib64/python2.7/subprocess.py", line 1234, in _execute_child raise child_exception OSError: [Errno 13] Permission deniedat org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:166)at org.apache.spark.api.python.PythonRunner$$anon$1.<init>(PythonRDD.scala:207)at org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:125)at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:70)at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)at org.apache.spark.rdd.RDD.iterator(RDD.scala:270)at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38

解决：
遇到该问题首先想到应该是没有执行权限。
给bash脚本添加执行权限，
chmod +x xx.sh命令

重新提交spark任务，如若还有该问题，则可能该脚本还需要可读或者可写则设置该脚本所在的目录src权限，
chmod 777 -R src

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