Adarsh, Dou you have in /etc/hosts the hostnames for masters and slaves?
esteban. On Fri, Jan 7, 2011 at 06:47, Adarsh Sharma <adarsh.sha...@orkash.com>wrote: > Dear all, > > I am researching about the below error and could not able to find the > reason : > > Data Size : 3.4 GB > Hadoop-0.20.0 > > had...@ws32-test-lin:~/project/hadoop-0.20.2$ bin/hadoop jar > hadoop-0.20.2-examples.jar wordcount /user/hadoop/page_content.txt > page_content_output.txt > 11/01/07 16:11:14 INFO input.FileInputFormat: Total input paths to process > : 1 > 11/01/07 16:11:15 INFO mapred.JobClient: Running job: job_201101071129_0001 > 11/01/07 16:11:16 INFO mapred.JobClient: map 0% reduce 0% > 11/01/07 16:11:41 INFO mapred.JobClient: map 1% reduce 0% > 11/01/07 16:11:45 INFO mapred.JobClient: map 2% reduce 0% > 11/01/07 16:11:48 INFO mapred.JobClient: map 3% reduce 0% > 11/01/07 16:11:52 INFO mapred.JobClient: map 4% reduce 0% > 11/01/07 16:11:56 INFO mapred.JobClient: map 5% reduce 0% > 11/01/07 16:12:00 INFO mapred.JobClient: map 6% reduce 0% > 11/01/07 16:12:05 INFO mapred.JobClient: map 7% reduce 0% > 11/01/07 16:12:08 INFO mapred.JobClient: map 8% reduce 0% > 11/01/07 16:12:11 INFO mapred.JobClient: map 9% reduce 0% > 11/01/07 16:12:14 INFO mapred.JobClient: map 10% reduce 0% > 11/01/07 16:12:17 INFO mapred.JobClient: map 11% reduce 0% > 11/01/07 16:12:21 INFO mapred.JobClient: map 12% reduce 0% > 11/01/07 16:12:24 INFO mapred.JobClient: map 13% reduce 0% > 11/01/07 16:12:27 INFO mapred.JobClient: map 14% reduce 0% > 11/01/07 16:12:30 INFO mapred.JobClient: map 15% reduce 0% > 11/01/07 16:12:33 INFO mapred.JobClient: map 16% reduce 0% > 11/01/07 16:12:36 INFO mapred.JobClient: map 17% reduce 0% > 11/01/07 16:12:40 INFO mapred.JobClient: map 18% reduce 0% > 11/01/07 16:12:45 INFO mapred.JobClient: map 19% reduce 0% > 11/01/07 16:12:48 INFO mapred.JobClient: map 20% reduce 0% > 11/01/07 16:12:54 INFO mapred.JobClient: map 21% reduce 0% > 11/01/07 16:13:00 INFO mapred.JobClient: map 22% reduce 0% > 11/01/07 16:13:04 INFO mapred.JobClient: map 22% reduce 1% > 11/01/07 16:13:13 INFO mapred.JobClient: map 23% reduce 1% > 11/01/07 16:13:19 INFO mapred.JobClient: map 24% reduce 1% > 11/01/07 16:13:25 INFO mapred.JobClient: map 25% reduce 1% > 11/01/07 16:13:30 INFO mapred.JobClient: map 26% reduce 1% > 11/01/07 16:13:34 INFO mapred.JobClient: map 26% reduce 3% > 11/01/07 16:13:36 INFO mapred.JobClient: map 27% reduce 3% > 11/01/07 16:13:37 INFO mapred.JobClient: map 27% reduce 4% > 11/01/07 16:13:39 INFO mapred.JobClient: map 28% reduce 4% > 11/01/07 16:13:43 INFO mapred.JobClient: map 29% reduce 4% > 11/01/07 16:13:46 INFO mapred.JobClient: map 30% reduce 4% > 11/01/07 16:13:49 INFO mapred.JobClient: map 31% reduce 4% > 11/01/07 16:13:52 INFO mapred.JobClient: map 32% reduce 4% > 11/01/07 16:13:55 INFO mapred.JobClient: map 33% reduce 4% > 11/01/07 16:13:58 INFO mapred.JobClient: map 34% reduce 4% > 11/01/07 16:14:02 INFO mapred.JobClient: map 35% reduce 4% > 11/01/07 16:14:05 INFO mapred.JobClient: map 36% reduce 4% > 11/01/07 16:14:08 INFO mapred.JobClient: map 37% reduce 4% > 11/01/07 16:14:11 INFO mapred.JobClient: map 38% reduce 4% > 11/01/07 16:14:15 INFO mapred.JobClient: map 39% reduce 4% > 11/01/07 16:14:19 INFO mapred.JobClient: map 40% reduce 4% > 11/01/07 16:14:20 INFO mapred.JobClient: map 40% reduce 5% > 11/01/07 16:14:25 INFO mapred.JobClient: map 41% reduce 5% > 11/01/07 16:14:32 INFO mapred.JobClient: map 42% reduce 5% > 11/01/07 16:14:38 INFO mapred.JobClient: map 43% reduce 5% > 11/01/07 16:14:41 INFO mapred.JobClient: map 43% reduce 6% > 11/01/07 16:14:43 INFO mapred.JobClient: map 44% reduce 6% > 11/01/07 16:14:47 INFO mapred.JobClient: map 45% reduce 6% > 11/01/07 16:14:50 INFO mapred.JobClient: map 46% reduce 6% > 11/01/07 16:14:54 INFO mapred.JobClient: map 47% reduce 7% > 11/01/07 16:14:59 INFO mapred.JobClient: map 48% reduce 7% > 11/01/07 16:15:02 INFO mapred.JobClient: map 49% reduce 7% > 11/01/07 16:15:05 INFO mapred.JobClient: map 50% reduce 7% > 11/01/07 16:15:11 INFO mapred.JobClient: map 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11/01/07 16:16:10 INFO mapred.JobClient: map 65% reduce 10% > 11/01/07 16:16:15 INFO mapred.JobClient: map 66% reduce 10% > 11/01/07 16:16:18 INFO mapred.JobClient: map 67% reduce 10% > 11/01/07 16:16:19 INFO mapred.JobClient: map 67% reduce 12% > 11/01/07 16:16:21 INFO mapred.JobClient: map 68% reduce 12% > 11/01/07 16:16:25 INFO mapred.JobClient: map 69% reduce 12% > 11/01/07 16:16:28 INFO mapred.JobClient: map 70% reduce 12% > 11/01/07 16:16:31 INFO mapred.JobClient: map 71% reduce 12% > 11/01/07 16:16:35 INFO mapred.JobClient: map 72% reduce 12% > 11/01/07 16:16:38 INFO mapred.JobClient: map 73% reduce 12% > 11/01/07 16:16:43 INFO mapred.JobClient: map 74% reduce 12% > 11/01/07 16:16:47 INFO mapred.JobClient: map 75% reduce 12% > 11/01/07 16:16:53 INFO mapred.JobClient: map 75% reduce 13% > 11/01/07 16:16:54 INFO mapred.JobClient: map 76% reduce 13% > 11/01/07 16:17:01 INFO mapred.JobClient: map 77% reduce 13% > 11/01/07 16:17:03 INFO mapred.JobClient: map 77% reduce 14% > 11/01/07 16:17:06 INFO mapred.JobClient: map 78% reduce 15% > 11/01/07 16:17:11 INFO mapred.JobClient: map 79% reduce 15% > 11/01/07 16:17:15 INFO mapred.JobClient: map 80% reduce 15% > 11/01/07 16:17:23 INFO mapred.JobClient: map 81% reduce 15% > 11/01/07 16:17:27 INFO mapred.JobClient: map 82% reduce 15% > 11/01/07 16:17:31 INFO mapred.JobClient: map 83% reduce 15% > 11/01/07 16:17:33 INFO mapred.JobClient: map 84% reduce 15% > 11/01/07 16:17:38 INFO mapred.JobClient: map 85% reduce 15% > 11/01/07 16:17:41 INFO mapred.JobClient: map 86% reduce 15% > 11/01/07 16:17:45 INFO mapred.JobClient: map 87% reduce 15% > 11/01/07 16:17:50 INFO mapred.JobClient: map 88% reduce 15% > 11/01/07 16:17:54 INFO mapred.JobClient: map 89% reduce 15% > 11/01/07 16:18:00 INFO mapred.JobClient: map 90% reduce 15% > 11/01/07 16:18:02 INFO mapred.JobClient: map 90% reduce 16% > 11/01/07 16:18:03 INFO mapred.JobClient: map 91% reduce 16% > 11/01/07 16:18:06 INFO mapred.JobClient: map 92% reduce 16% > 11/01/07 16:18:09 INFO mapred.JobClient: map 93% reduce 16% > 11/01/07 16:18:14 INFO mapred.JobClient: map 94% reduce 16% > 11/01/07 16:18:17 INFO mapred.JobClient: map 95% reduce 16% > 11/01/07 16:18:21 INFO mapred.JobClient: map 96% reduce 16% > 11/01/07 16:18:27 INFO mapred.JobClient: map 97% reduce 16% > 11/01/07 16:18:29 INFO mapred.JobClient: map 97% reduce 17% > 11/01/07 16:18:35 INFO mapred.JobClient: map 98% reduce 17% > 11/01/07 16:18:48 INFO mapred.JobClient: map 99% reduce 18% > 11/01/07 16:18:55 INFO mapred.JobClient: map 99% reduce 19% > 11/01/07 16:19:12 INFO mapred.JobClient: map 100% reduce 19% > 11/01/07 16:19:13 INFO mapred.JobClient: map 100% reduce 20% > 11/01/07 16:19:34 INFO mapred.JobClient: map 100% reduce 21% > 11/01/07 16:22:54 INFO mapred.JobClient: Task Id : > attempt_201101071129_0001_m_000012_0, Status : FAILED > Too many fetch-failures > 11/01/07 16:22:54 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000012_0&filter=stdout > 11/01/07 16:22:54 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000012_0&filter=stderr > 11/01/07 16:22:58 INFO mapred.JobClient: map 98% reduce 21% > 11/01/07 16:23:16 INFO mapred.JobClient: map 99% reduce 21% > 11/01/07 16:23:34 INFO mapred.JobClient: map 100% reduce 21% > 11/01/07 16:25:28 INFO mapred.JobClient: map 100% reduce 23% > 11/01/07 16:35:17 INFO mapred.JobClient: Task Id : > attempt_201101071129_0001_m_000011_0, Status : FAILED > Too many fetch-failures > 11/01/07 16:35:17 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000011_0&filter=stdout > 11/01/07 16:35:17 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000011_0&filter=stderr > 11/01/07 16:35:21 INFO mapred.JobClient: map 98% reduce 23% > 11/01/07 16:35:39 INFO mapred.JobClient: map 99% reduce 23% > 11/01/07 16:35:54 INFO mapred.JobClient: map 100% reduce 23% > 11/01/07 16:37:49 INFO mapred.JobClient: map 100% reduce 24% > 11/01/07 16:47:32 INFO mapred.JobClient: Task Id : > attempt_201101071129_0001_m_000015_0, Status : FAILED > Too many fetch-failures > 11/01/07 16:47:32 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000015_0&filter=stdout > 11/01/07 16:47:32 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000015_0&filter=stderr > 11/01/07 16:47:36 INFO mapred.JobClient: map 98% reduce 24% > 11/01/07 16:47:54 INFO mapred.JobClient: map 99% reduce 24% > 11/01/07 16:48:12 INFO mapred.JobClient: map 100% reduce 24% > 11/01/07 16:50:03 INFO mapred.JobClient: map 100% reduce 25% > 11/01/07 16:59:48 INFO mapred.JobClient: Task Id : > attempt_201101071129_0001_m_000019_0, Status : FAILED > Too many fetch-failures > 11/01/07 16:59:48 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000019_0&filter=stdout > 11/01/07 16:59:48 WARN mapred.JobClient: Error reading task > outputhttp://hadoop2:50060/tasklog?plaintext=true&taskid=attempt_201101071129_0001_m_000019_0&filter=stderr > 11/01/07 16:59:52 INFO mapred.JobClient: map 98% reduce 25% > 11/01/07 17:00:10 INFO mapred.JobClient: map 99% reduce 25% > 11/01/07 17:00:26 INFO mapred.JobClient: map 100% reduce 25% > 11/01/07 17:00:38 INFO mapred.JobClient: map 100% reduce 26% > > > Would anyone Please send me the reason as I am interested to find the cause > to clear my understanding. > I configured properly Hadoop on 2 clusters. I am sure there is no > configuration problem because in my other cluster it runs fine. > > One Cluster is on Standalone Servers ( 4 nodes ). Job is executed > successfully. > > Other Cluster is on VM's (Cloud) . > > My tasktracker log says this > > 2011-01-07 16:20:23,234 WARN org.apache.hadoop.mapred.TaskTracker: > getMapOutput(attempt_201101071129_0001_m_000012_0,0) failed : > org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find > taskTracker/jobcache/job_201101071129_0001/attempt_201101071129_0001_m_000012_0/output/file.out.index > in any of the configured local directories > at > org.apache.hadoop.fs.LocalDirAllocator$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$PoolThread.run(QueuedThreadPool.java:522) > 2011-01-07 16:20:23,236 WARN org.apache.hadoop.mapred.TaskTracker: Unknown > child with bad map output: attempt_201101071129_0001_m_000012_0. Ignored. > 2011-01-07 16:20:23,239 INFO > org.apache.hadoop.mapred.TaskTracker.clienttrace: src: 172.16.1.3:50060, > dest: 172.16.1.5:47135, bytes: 0, op: MAPRED_SHUFFLE, cliID: > attempt_201101071129_0001_m_000012_0 > 2011-01-07 16:20:23,239 WARN org.mortbay.log: /mapOutput: > org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find > taskTracker/jobcache/job_201101071129_0001/attempt_201101071129_0001_m_000012_0/output/file.out.index > in any of the configured local directories > 2011-01-07 16:22:53,266 WARN org.apache.hadoop.mapred.TaskTracker: > getMapOutput(attempt_201101071129_0001_m_000012_0,0) failed : > org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find > taskTracker/jobcache/job_201101071129_0001/attempt_201101071129_0001_m_000012_0/output/file.out.index > in any of the configured local directories > at > org.apache.hadoop.fs.LocalDirAllocator$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) > > > > Let's have some discussion. > > > Thanks & Regards > > Adarsh Sharma > > > > > >
