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Hadoop StreamingでMap-ReduceジョブをPythonスクリプトで実行しようとしていて、同じエラーがHadoop Streaming Job failed error in pythonとなっていましたが、PythonでHadoopストリーミングジョブが失敗しました（成功していません）
私が実行したときに私のスクリプトが正常に動作 "猫SAMPLE.TXT |ソート| | ./p1mapper.pyを./p1reducer.py"
しかし、私は次のコマンドを実行します。
./bin/hadoop jar contrib/streaming/hadoop-0.20.2-streaming.jar \
-input "p1input/*" \
-output p1output \
-mapper "python p1mapper.py" \
-reducer "python p1reducer.py" \
-file /Users/Tish/Desktop/HW1/p1mapper.py \
-file /Users/Tish/Desktop/HW1/p1reducer.py
（ NB：私は「パイソン」を削除するか、-mapperと-reducerの完全なパス名を入力しても、結果は同じである）
これは、私が手に出力されます：
packageJobJar: [/Users/Tish/Desktop/HW1/p1mapper.py, /Users/Tish/Desktop/CS246/HW1/p1reducer.py, /Users/Tish/Documents/workspace/hadoop-0.20.2/tmp/hadoop-unjar4363616744311424878/] [] /var/folders/Mk/MkDxFxURFZmLg+gkCGdO9U+++TM/-Tmp-/streamjob3714058030803466665.jar tmpDir=null
11/01/18 03:02:52 INFO mapred.FileInputFormat: Total input paths to process : 1
11/01/18 03:02:52 INFO streaming.StreamJob: getLocalDirs(): [tmp/mapred/local]
11/01/18 03:02:52 INFO streaming.StreamJob: Running job: job_201101180237_0005
11/01/18 03:02:52 INFO streaming.StreamJob: To kill this job, run:
11/01/18 03:02:52 INFO streaming.StreamJob: /Users/Tish/Documents/workspace/hadoop-0.20.2/bin/../bin/hadoop job -Dmapred.job.tracker=localhost:54311 -kill job_201101180237_0005
11/01/18 03:02:52 INFO streaming.StreamJob: Tracking URL: http://www.glassdoor.com:50030/jobdetails.jsp?jobid=job_201101180237_0005
11/01/18 03:02:53 INFO streaming.StreamJob: map 0% reduce 0%
11/01/18 03:03:05 INFO streaming.StreamJob: map 100% reduce 0%
11/01/18 03:03:44 INFO streaming.StreamJob: map 50% reduce 0%
11/01/18 03:03:47 INFO streaming.StreamJob: map 100% reduce 100%
11/01/18 03:03:47 INFO streaming.StreamJob: To kill this job, run:
11/01/18 03:03:47 INFO streaming.StreamJob: /Users/Tish/Documents/workspace/hadoop-0.20.2/bin/../bin/hadoop job -Dmapred.job.tracker=localhost:54311 -kill job_201101180237_0005
11/01/18 03:03:47 INFO streaming.StreamJob: Tracking URL: http://www.glassdoor.com:50030/jobdetails.jsp?jobid=job_201101180237_0005
11/01/18 03:03:47 ERROR streaming.StreamJob: Job not Successful!
11/01/18 03:03:47 INFO streaming.StreamJob: killJob...
Streaming Job Failed!
：、 p1mapper.py
#!/usr/bin/env python
from operator import itemgetter
import sys
word2count = {}
for line in sys.stdin:
word, count = line.split(' ', 1)
try:
count = int(count)
word2count[word] = word2count.get(word, 0) + count
except ValueError: # count was not a number
pass
# sort
sorted_word2count = sorted(word2count.items(), key=itemgetter(1), reverse=True)
# write the top 3 sequences
for word, count in sorted_word2count[0:3]:
print '%s\t%s'% (word, count)
は、任意の助けに感謝本当に思い
#!/usr/bin/env python
import sys
import re
SEQ_LEN = 4
eos = re.compile('(?<=[a-zA-Z])\.') # period preceded by an alphabet
ignore = re.compile('[\W\d]')
for line in sys.stdin:
array = re.split(eos, line)
for sent in array:
sent = ignore.sub('', sent)
sent = sent.lower()
if len(sent) >= SEQ_LEN:
for i in range(len(sent)-SEQ_LEN + 1):
print '%s 1' % sent[i:i+SEQ_LEN]
p1reducer.py：
Map output lost, rescheduling: getMapOutput(attempt_201101181225_0001_m_000000_0,0) failed :
org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find taskTracker/jobcache/job_201101181225_0001/attempt_201101181225_0001_m_000000_0/output/file.out.index in any of the configured local directories
at org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathToRead(LocalDirAllocator.java:389)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathToRead(LocalDirAllocator.java:138)
at org.apache.hadoop.mapred.TaskTracker$MapOutputServlet.doGet(TaskTracker.java:2887)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:363)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:533)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:207)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:403)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:522)
は、ここに私のPythonスクリプトですありがとう！
UPDATE：
HDFS-site.xmlを：
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
</configuration>
mapred-site.xmlを：
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>mapred.job.tracker</name>
<value>localhost:54311</value>
</property>
</configuration>
のために立ち往生した時点で、設定問題である可能性がありました-site.xmlの設定をお願いします。 –
上記貼り付け。ありがとうジョー！ – sirentian