java 为什么 Spark 应用程序失败并显示“IOException: (null) entry in command string: null chmod 0644”？
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Why does Spark application fail with "IOException: (null) entry in command string: null chmod 0644"?
提问by John Humanyun
I'm trying to write the dataset results into a single CSV using below using JAVA
我正在尝试使用下面的 JAVA 将数据集结果写入单个 CSV
dataset.write().mode(SaveMode.Overwrite).option("header",true).csv("C:\tmp\csvs");
But it goes for timed out , the file is not being written.
但它超时了，文件没有被写入。
Throws org.apache.spark.SparkException: Job aborted.
投掷 org.apache.spark.SparkException: Job aborted.
Error:
错误：
org.apache.spark.SparkException: Job aborted due to stage failure:
Task 0 in stage 13.0 failed 1 times, most recent failure: Lost task 0.0 in stage 13.0 (TID 16, localhost): java.io.IOException: (null) entry in command string: null chmod 0644 C:\tmp333333testSpark\_temporaryjava.io.IOException: (null) entry in command string: null chmod 0644
\_temporary\attempt_201712282255_0013_m_000000_0\part-r-00000-229fd1b6-ffb9-4ba1-9dc9-89dfdbd0be43.csv
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:770)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:866)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:849)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:733)
at org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:225)
at org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:209)
at org.apache.hadoop.fs.RawLocalFileSystem.createOutputStreamWithMode(RawLocalFileSystem.java:307)
at org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:296)
at org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:328)
at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.<init>(ChecksumFileSystem.java:398)
at org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:461)
at org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:440)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:911)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:892)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:789)
at org.apache.hadoop.mapreduce.lib.output.TextOutputFormat.getRecordWriter(TextOutputFormat.java:132)
at org.apache.spark.sql.execution.datasources.csv.CsvOutputWriter.<init>(CSVRelation.scala:200)
at org.apache.spark.sql.execution.datasources.csv.CSVOutputWriterFactory.newInstance(CSVRelation.scala:170)
at org.apache.spark.sql.execution.datasources.BaseWriterContainer.newOutputWriter(WriterContainer.scala:131)
at org.apache.spark.sql.execution.datasources.DefaultWriterContainer.writeRows(WriterContainer.scala:247)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelationCommand$$anonfun$run$$anonfun$apply$mcV$sp.apply(InsertIntoHadoopFsRelationCommand.scala:143)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelationCommand$$anonfun$run$$anonfun$apply$mcV$sp.apply(InsertIntoHadoopFsRelationCommand.scala:143)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:70)
at org.apache.spark.scheduler.Task.run(Task.scala:86)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
回答by Leo C
You might want to narrow down to fixing the following exception:
您可能希望缩小范围以修复以下异常：
##代码##Try set HADOOP_HOMEto the subdirectory with bin\winuitls.exeas reported in this SO question. If that doesn't help, there is a work-around reported at another SO link.
尝试将HADOOP_HOME子目录设置为bin\winuitls.exe如此问题中所报告的。如果这没有帮助，则在另一个SO 链接中报告了一种解决方法。
