Question

我试图在windows7中以伪分布式模式运行hadoop程序，并引发了RuntimeException。我不知道为什么以及如何解决它。

我使用python进行mapreduce工作而不是使用hadoop-streaming实用程序（https://hadoop.apache.org/docs/current/hadoop-streaming/HadoopStreaming.html）的java。我运行了hadoop jar %HADOOP_HOME%\share\hadoop\tools\lib\hadoop-streaming-2.6.2.jar -mapper mapper.py -reducer reducer.py -input myinput -output myoutput -file mapper.py -file reducer.py并且java.lang.RuntimeException: Error in configuring object已经被提升并且作业失败了。

我的hadoop版本是2.6.2，而hadoop是在windows7 x64上构建的，而不是在虚拟机或cygwin上。

首先，我使用hadoop的标准测试程序来测试hadoop是否安装成功。我跑了yarn jar %HADOOP_HOME%/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.2.jar pi 16 1000，输出正确。 Hadoop和MapReduce工作。

其次，mapper.py和reducer.py已在命令提示符下使用命令cat data.txt | python mapper.py | sort | python reducer.py进行测试，输出正确。因此，它不会成为python程序的错误。

我尝试更改＆＃39; hadoop.tmp.dir＆＃39;属性到本地目录和/ tmp，但都没有工作。我不知道为什么会引发异常以及如何解决它。非常感谢，如果有人能帮助我的话！

完整的异常日志如下：

16/03/25 18:47:46 WARN streaming.StreamJob: -file option is deprecated, please use generic option -files instead.
packageJobJar: [mapper.py, reducer.py, /C:/Users/chensk/AppData/Local/Temp/hadoop-unjar5079915111177028733/] [] C:\Users\chensk\AppData\Local\Temp\streamjob6081649198401076264.jar tmpDir=null
16/03/25 18:47:47 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
16/03/25 18:47:48 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
16/03/25 18:47:50 INFO mapred.FileInputFormat: Total input paths to process : 1
16/03/25 18:47:50 INFO mapreduce.JobSubmitter: number of splits:2
16/03/25 18:47:50 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1458902651843_0002
16/03/25 18:47:51 INFO impl.YarnClientImpl: Submitted application application_1458902651843_0002
16/03/25 18:47:51 INFO mapreduce.Job: The url to track the job: http://skyfalls:8088/proxy/application_1458902651843_0002/
16/03/25 18:47:51 INFO mapreduce.Job: Running job: job_1458902651843_0002
16/03/25 18:47:59 INFO mapreduce.Job: Job job_1458902651843_0002 running in uber mode : false
16/03/25 18:47:59 INFO mapreduce.Job:  map 0% reduce 0%
16/03/25 18:48:07 INFO mapreduce.Job: Task Id : attempt_1458902651843_0002_m_000001_0, Status : FAILED
Error: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:446)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
    ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 17 more
Caused by: java.lang.RuntimeException: configuration exception
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:222)
    at org.apache.hadoop.streaming.PipeMapper.configure(PipeMapper.java:66)
    ... 22 more
Caused by: java.io.IOException: Cannot run program "G:\Programs\hadoop\tmp\nm-local-dir\usercache\chensk\appcache\application_1458902651843_0002\container_1458902651843_0002_01_000003\.\mapper.py": CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1047)
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:209)
    ... 23 more
Caused by: java.io.IOException: CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:385)
    at java.lang.ProcessImpl.start(ProcessImpl.java:136)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
    ... 24 more

16/03/25 18:48:08 INFO mapreduce.Job:  map 50% reduce 0%
16/03/25 18:48:08 INFO mapreduce.Job: Task Id : attempt_1458902651843_0002_m_000000_0, Status : FAILED
Error: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:446)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
    ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 17 more
Caused by: java.lang.RuntimeException: configuration exception
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:222)
    at org.apache.hadoop.streaming.PipeMapper.configure(PipeMapper.java:66)
    ... 22 more
Caused by: java.io.IOException: Cannot run program "G:\Programs\hadoop\tmp\nm-local-dir\usercache\chensk\appcache\application_1458902651843_0002\container_1458902651843_0002_01_000002\.\mapper.py": CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1047)
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:209)
    ... 23 more
Caused by: java.io.IOException: CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:385)
    at java.lang.ProcessImpl.start(ProcessImpl.java:136)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
    ... 24 more

16/03/25 18:48:09 INFO mapreduce.Job:  map 0% reduce 0%
16/03/25 18:48:14 INFO mapreduce.Job: Task Id : attempt_1458902651843_0002_m_000001_1, Status : FAILED
Error: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:446)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
    ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 17 more
Caused by: java.lang.RuntimeException: configuration exception
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:222)
    at org.apache.hadoop.streaming.PipeMapper.configure(PipeMapper.java:66)
    ... 22 more
Caused by: java.io.IOException: Cannot run program "G:\Programs\hadoop\tmp\nm-local-dir\usercache\chensk\appcache\application_1458902651843_0002\container_1458902651843_0002_01_000004\.\mapper.py": CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1047)
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:209)
    ... 23 more
Caused by: java.io.IOException: CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:385)
    at java.lang.ProcessImpl.start(ProcessImpl.java:136)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
    ... 24 more

16/03/25 18:48:16 INFO mapreduce.Job: Task Id : attempt_1458902651843_0002_m_000000_1, Status : FAILED
Error: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:446)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
    ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 17 more
Caused by: java.lang.RuntimeException: configuration exception
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:222)
    at org.apache.hadoop.streaming.PipeMapper.configure(PipeMapper.java:66)
    ... 22 more
Caused by: java.io.IOException: Cannot run program "G:\Programs\hadoop\tmp\nm-local-dir\usercache\chensk\appcache\application_1458902651843_0002\container_1458902651843_0002_01_000005\.\mapper.py": CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1047)
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:209)
    ... 23 more
Caused by: java.io.IOException: CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:385)
    at java.lang.ProcessImpl.start(ProcessImpl.java:136)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
    ... 24 more

16/03/25 18:48:23 INFO mapreduce.Job: Task Id : attempt_1458902651843_0002_m_000001_2, Status : FAILED
Error: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:446)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
    ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 17 more
Caused by: java.lang.RuntimeException: configuration exception
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:222)
    at org.apache.hadoop.streaming.PipeMapper.configure(PipeMapper.java:66)
    ... 22 more
Caused by: java.io.IOException: Cannot run program "G:\Programs\hadoop\tmp\nm-local-dir\usercache\chensk\appcache\application_1458902651843_0002\container_1458902651843_0002_01_000006\.\mapper.py": CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1047)
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:209)
    ... 23 more
Caused by: java.io.IOException: CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:385)
    at java.lang.ProcessImpl.start(ProcessImpl.java:136)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
    ... 24 more

16/03/25 18:48:25 INFO mapreduce.Job: Task Id : attempt_1458902651843_0002_m_000000_2, Status : FAILED
Error: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:446)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
    at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
    ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
    ... 17 more
Caused by: java.lang.RuntimeException: configuration exception
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:222)
    at org.apache.hadoop.streaming.PipeMapper.configure(PipeMapper.java:66)
    ... 22 more
Caused by: java.io.IOException: Cannot run program "G:\Programs\hadoop\tmp\nm-local-dir\usercache\chensk\appcache\application_1458902651843_0002\container_1458902651843_0002_01_000007\.\mapper.py": CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1047)
    at org.apache.hadoop.streaming.PipeMapRed.configure(PipeMapRed.java:209)
    ... 23 more
Caused by: java.io.IOException: CreateProcess error=193, %1 ??????完?? Win32 ??車
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(ProcessImpl.java:385)
    at java.lang.ProcessImpl.start(ProcessImpl.java:136)
    at java.lang.ProcessBuilder.start(ProcessBuilder.java:1028)
    ... 24 more

16/03/25 18:48:32 INFO mapreduce.Job:  map 100% reduce 100%
16/03/25 18:48:34 INFO mapreduce.Job: Job job_1458902651843_0002 failed with state FAILED due to: Task failed task_1458902651843_0002_m_000001
Job failed as tasks failed. failedMaps:1 failedReduces:0

16/03/25 18:48:34 INFO mapreduce.Job: Counters: 13
    Job Counters 
        Failed map tasks=7
        Killed map tasks=1
        Launched map tasks=8
        Other local map tasks=6
        Data-local map tasks=2
        Total time spent by all maps in occupied slots (ms)=52274
        Total time spent by all reduces in occupied slots (ms)=0
        Total time spent by all map tasks (ms)=52274
        Total vcore-seconds taken by all map tasks=52274
        Total megabyte-seconds taken by all map tasks=53528576
    Map-Reduce Framework
        CPU time spent (ms)=0
        Physical memory (bytes) snapshot=0
        Virtual memory (bytes) snapshot=0
16/03/25 18:48:34 ERROR streaming.StreamJob: Job not successful!
Streaming Command Failed!

Answer 1

-mapper和-reducer命令行参数的值必须是可执行文件。在Windows上，它不支持shebang行，Python脚本不可执行。

尝试按如下方式指定-mapper和-reducer参数：

-mapper "python mapper.py" -reducer "python reducer.py"

请注意，我自己也没有这样做，所以我无法保证它能够正常运行。它可能会抱怨它无法找到名称为python mapper.py的文件。

如果这不起作用，请编写只运行相应Python脚本的简短批处理脚本mapper.bat和reducer.bat。例如，mapper.bat将包含以下行：

@echo off
python mapper.py %*

然后，将这些批处理脚本指定为-mapper和-reducer参数。此外，添加命令行参数-file mapper.bat和-file reducer.bat以确保将这些批处理脚本复制到所有计算节点。

为什么Windows7中的hadoop引发了RuntimeException：配置对象

1 个答案: