Question

我第二次发布了一个类似的问题，因为我相信我现在能够更准确地看到这个问题。

环境：Hadoop 2.2.0在Ubuntu 14.04笔记本电脑上作为单节点群集运行。 RStudio版本0.98.507，R版本3.0.2（2013-09-25），Java版本1.7.0_55

任何R（或Python）程序都与位于/usr/local/hadoop220/share/hadoop/tools/lib/hadoop-streaming-2.2.0.jar的Hadoop Streaming实用程序完美配合

当我们使用包＆＃34; rmr＆＃34;时出现错误（RHadoop的一部分）并从RStudio中运行的R程序内部调用mapreduce（）。

为了简化这篇文章，我展示了一个非常简单的程序失败（其他更大的程序失败，错误信息相同）

Sys.setenv(HADOOP_CMD="/usr/local/hadoop220/bin/hadoop")
Sys.setenv(HADOOP_STREAMING="/usr/local/hadoop220/share/hadoop/tools/lib/hadoop-streaming-2.2.0.jar")
library('rhdfs')
library('rmr2')
hdfs.init()
hdfs.ls("/user/hduser")
small.ints = to.dfs(1:1000)
mapreduce(
  input = small.ints, 
  map = function(k, v) cbind(v, v^2))

R-Studio控制台上显示的错误是

> Sys.setenv(HADOOP_CMD="/usr/local/hadoop220/bin/hadoop")
> Sys.setenv(HADOOP_STREAMING="/usr/local/hadoop220/share/hadoop/tools/lib/hadoop-streaming-2.2.0.jar")
> library('rhdfs')
Loading required package: rJava

HADOOP_CMD=/usr/local/hadoop220/bin/hadoop

Be sure to run hdfs.init()
> library('rmr2')
Loading required package: Rcpp
Loading required package: RJSONIO
Loading required package: bitops
Loading required package: digest
Loading required package: functional
Loading required package: reshape2
Loading required package: stringr
Loading required package: plyr
Loading required package: caTools
> hdfs.init()
14/05/10 14:20:39 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
> hdfs.ls("/user/hduser")
  permission  owner      group size          modtime                 file
1 drwxr-xr-x hduser supergroup    0 2014-05-07 17:44      /user/hduser/BT
2 drwxr-xr-x hduser supergroup    0 2014-05-09 07:14  /user/hduser/BT-out
3 drwxr-xr-x hduser supergroup    0 2014-05-09 20:30 /user/hduser/BTR-out
4 drwxr-xr-x hduser supergroup    0 2014-05-07 17:44  /user/hduser/BTj-in
> small.ints = to.dfs(1:1000)
Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /usr/local/hadoop220/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
14/05/10 14:20:50 WARN util.NativeCodeLoader: ... using builtin-java classes where applicable

[ these two messages repeat multiple times ]

> mapreduce(
+   input = small.ints, 
+   map = function(k, v) cbind(v, v^2))

Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /usr/local/hadoop220/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
14/05/10 14:21:12 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

14/05/10 14:21:20 WARN streaming.StreamJob: -file option is deprecated, please use generic option -files instead.

packageJobJar: [/tmp/RtmpYCerEW/rmr-local-env282d4c7a3b53, /tmp/RtmpYCerEW/rmr-global-env282d77c9da92, /tmp/RtmpYCerEW/rmr-streaming-map282d4225651a, /tmp/hadoop-hduser/hadoop-unjar678942474363050554/] [] /tmp/streamjob8073315154972274831.jar tmpDir=null
14/05/10 14:21:21 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
14/05/10 14:21:21 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
14/05/10 14:21:22 INFO mapred.FileInputFormat: Total input paths to process : 1
14/05/10 14:21:22 INFO mapreduce.JobSubmitter: number of splits:2
14/05/10 14:21:22 INFO Configuration.deprecation: user.name is deprecated. Instead, use mapreduce.job.user.name
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.jar is deprecated. Instead, use mapreduce.job.jar
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.cache.files.filesizes is deprecated. Instead, use mapreduce.job.cache.files.filesizes
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.cache.files is deprecated. Instead, use mapreduce.job.cache.files
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.reduce.tasks is deprecated. Instead, use mapreduce.job.reduces
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.output.value.class is deprecated. Instead, use mapreduce.job.output.value.class
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.mapoutput.value.class is deprecated. Instead, use mapreduce.map.output.value.class
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.job.name is deprecated. Instead, use mapreduce.job.name
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.input.dir is deprecated. Instead, use mapreduce.input.fileinputformat.inputdir
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.output.dir is deprecated. Instead, use mapreduce.output.fileoutputformat.outputdir
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.map.tasks is deprecated. Instead, use mapreduce.job.maps
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.cache.files.timestamps is deprecated. Instead, use mapreduce.job.cache.files.timestamps
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.output.key.class is deprecated. Instead, use mapreduce.job.output.key.class
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.mapoutput.key.class is deprecated. Instead, use mapreduce.map.output.key.class
14/05/10 14:21:22 INFO Configuration.deprecation: mapred.working.dir is deprecated. Instead, use mapreduce.job.working.dir
14/05/10 14:21:23 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1399709731242_0003
14/05/10 14:21:23 INFO impl.YarnClientImpl: Submitted application application_1399709731242_0003 to ResourceManager at /0.0.0.0:8032
14/05/10 14:21:23 INFO mapreduce.Job: The url to track the job: http://yantrajaal:8088/proxy/application_1399709731242_0003/
14/05/10 14:21:23 INFO mapreduce.Job: Running job: job_1399709731242_0003
14/05/10 14:21:30 INFO mapreduce.Job: Job job_1399709731242_0003 running in uber mode : false
14/05/10 14:21:30 INFO mapreduce.Job:  map 0% reduce 0%
14/05/10 14:21:43 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000000_0, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

14/05/10 14:21:44 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000001_0, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

14/05/10 14:22:04 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000000_1, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143

14/05/10 14:22:04 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000001_1, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

14/05/10 14:22:17 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000001_2, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

14/05/10 14:22:17 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000000_2, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

14/05/10 14:22:26 INFO mapreduce.Job:  map 100% reduce 0%
14/05/10 14:22:26 INFO mapreduce.Job: Job job_1399709731242_0003 failed with state FAILED due to: Task failed task_1399709731242_0003_m_000001
Job failed as tasks failed. failedMaps:1 failedReduces:0

14/05/10 14:22:26 INFO mapreduce.Job: Counters: 10
    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)=91997
        Total time spent by all reduces in occupied slots (ms)=0
    Map-Reduce Framework
        CPU time spent (ms)=0
        Physical memory (bytes) snapshot=0
        Virtual memory (bytes) snapshot=0
14/05/10 14:22:26 ERROR streaming.StreamJob: Job not Successful!
Streaming Command Failed!
Error in mr(map = map, reduce = reduce, combine = combine, vectorized.reduce,  : 
  hadoop streaming failed with error code 1
>

我用Google搜索了两个恼人的警告（a）残疾人堆叠守卫，并从this link发现有没有什么可担心的＆＃34;只是一个警告（b）无法为您的平台加载native-hadoop库...使用内置java类的应用程序..这也是一个警告，根据this link无需担心

将这两个警告折扣为不是原因后，我发现的主要错误就在这里

14/05/10 14:21:43 INFO mapreduce.Job: Task Id : attempt_1399709731242_0003_m_000000_0, Status : FAILED
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
    at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:320)
    at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:533)
    at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:130)
    at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
    at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:34)
    at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
    at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
    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:1491)
    at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)

我重新安装了RHadoop软件包，rmr和rhdfs，并且还重新安装了rJava。过去曾尝试使用Hadoop 1.3，但错误是相同的。

如果有人能就这个

提出一些建议，那将是非常感激的

Answer 1

我通过更改rmr2，rhdfs，... packages的安装目录解决了这个问题。基本上，您需要在系统文件夹而不是自定义文件夹中安装所有软件包。安装位置似乎有问题。最初我将软件包安装在自定义文件夹中：

/home/user/R/3.1

在以下位置重新安装软件包：

/usr/lib/R/library

我让代码正常工作。

我希望这会有所帮助。

单节点Ubuntu集群上的RHadoop作业失败

1 个答案: