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我在Hadoop上使用Python mrjob庫時出現問題。錯誤：Python3.4 - > java.lang.RuntimeException：PipeMapRed.waitOutputThreads（）：子進程失敗，代碼爲1
我搜索了這個錯誤，但我不知道解決方案。
- 我做
chmod +x pythonFile， - 插入
.py文件#!/usr/bin/env python
我的錯誤看起來像......（只要）
[email protected] ~/python $ python3 MovieRecommender.py -r hadoop --items hdfs:///user/lim/u.data hdfs:///user/lim/u.item > test.txt
No configs found; falling back on auto-configuration
Looking for hadoop binary in /home/lim/hadoop/bin...
Found hadoop binary: /home/lim/hadoop/bin/hadoop
Using Hadoop version 2.6.5
Looking for Hadoop streaming jar in /home/lim/hadoop...
Found Hadoop streaming jar: /home/lim/hadoop/share/hadoop/tools/lib/hadoop-streaming-2.6.5.jar
Creating temp directory /tmp/MovieRecommender.lim.20170604.094652.529281
Copying local files to hdfs:///user/lim/tmp/mrjob/MovieRecommender.lim.20170604.094652.529281/files/...
Running step 1 of 3...
packageJobJar: [/tmp/hadoop-unjar8911458661886591142/] [] /tmp/streamjob3138735148266254884.jar tmpDir=null
Connecting to ResourceManager at slave04/127.0.1.1:8035
Connecting to ResourceManager at slave04/127.0.1.1:8035
Total input paths to process : 1
number of splits:2
Submitting tokens for job: job_1496311320193_0014
Submitted application application_1496311320193_0014
The url to track the job: http://slave04:8088/proxy/application_1496311320193_0014/
Running job: job_1496311320193_0014
Job job_1496311320193_0014 running in uber mode : false
map 0% reduce 0%
Task Id : attempt_1496311320193_0014_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:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
Task Id : attempt_1496311320193_0014_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:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
Task Id : attempt_1496311320193_0014_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:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
Task Id : attempt_1496311320193_0014_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:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Task Id : attempt_1496311320193_0014_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:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
Task Id : attempt_1496311320193_0014_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:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
map 100% reduce 100%
Job job_1496311320193_0014 failed with state FAILED due to: Task failed task_1496311320193_0014_m_000001
Job failed as tasks failed. failedMaps:1 failedReduces:0
Job not successful!
Streaming Command Failed!
Counters: 17
Job Counters
Data-local map tasks=2
Failed map tasks=7
Killed map tasks=1
Killed reduce tasks=1
Launched map tasks=8
Other local map tasks=6
Total megabyte-milliseconds taken by all map tasks=18734080
Total megabyte-milliseconds taken by all reduce tasks=0
Total time spent by all map tasks (ms)=18295
Total time spent by all maps in occupied slots (ms)=18295
Total time spent by all reduce tasks (ms)=0
Total time spent by all reduces in occupied slots (ms)=0
Total vcore-milliseconds taken by all map tasks=18295
Total vcore-milliseconds taken by all reduce tasks=0
Map-Reduce Framework
CPU time spent (ms)=0
Physical memory (bytes) snapshot=0
Virtual memory (bytes) snapshot=0
Scanning logs for probable cause of failure...
Looking for history log in hdfs:///tmp/hadoop-yarn/staging...
Looking for history log in /home/lim/hadoop/logs...
Looking for history log in /home/lim/hadoop-2.6.5/logs...
Probable cause of failure:
Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1
at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:322)
at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:535)
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:450)
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:1692)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
Step 1 of 3 failed: Command '['/home/lim/hadoop/bin/hadoop', 'jar', '/home/lim/hadoop/share/hadoop/tools/lib/hadoop-streaming-2.6.5.jar', '-files', 'hdfs:///user/lim/tmp/mrjob/MovieRecommender.lim.20170604.094652.529281/files/MovieRecommender.py#MovieRecommender.py,hdfs:///user/lim/tmp/mrjob/MovieRecommender.lim.20170604.094652.529281/files/mrjob.zip#mrjob.zip,hdfs:///user/lim/tmp/mrjob/MovieRecommender.lim.20170604.094652.529281/files/setup-wrapper.sh#setup-wrapper.sh,hdfs:///user/lim/u.data#u.data', '-input', 'hdfs:///user/lim/u.item', '-output', 'hdfs:///user/lim/tmp/mrjob/MovieRecommender.lim.20170604.094652.529281/step-output/0000', '-mapper', 'sh -ex setup-wrapper.sh python3 MovieRecommender.py --step-num=0 --mapper --items u.data', '-reducer', 'sh -ex setup-wrapper.sh python3 MovieRecommender.py --step-num=0 --reducer --items u.data']' returned non-zero exit status 256