[jira] [Resolved] (MAPREDUCE-107) Tasks fail due to lost mapout

["Allen Wittenauer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-107.
----------------------------------------

    Resolution: Fixed

I'm going to close this out as stale.  I suspect this is no longer an issue.

> Tasks fail due to lost mapout
> -----------------------------
>
>                 Key: MAPREDUCE-107
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-107
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Hairong Kuang
>
> When I ran a job, each map task of which generates Gbytes of map output, I saw many tasks failed with following errors:
> Map output lost, rescheduling: getMapOutput(task_0993_m_000013_0,140) failed :
> java.io.FileNotFoundException: /hadoop/mapred/local/task_0993_m_000013_0/file.out
> 	at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:332)
> 	at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:245)
> 	at org.apache.hadoop.mapred.TaskTracker$MapOutputServlet.doGet(TaskTracker.java:1657)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:427)
> 	at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:475)
> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
> 	at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
> 	at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:635)
> 	at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
> 	at org.mortbay.http.HttpServer.service(HttpServer.java:954)
> 	at org.mortbay.http.HttpConnection.service(HttpConnection.java:814)
> 	at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:981)
> 	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:831)
> 	at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
> 	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
> 	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)



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