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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2006/03/13 21:40:57 UTC
[jira] Resolved: (HADOOP-77) hang / crash when input folder does
not exists.
[ http://issues.apache.org/jira/browse/HADOOP-77?page=all ]
Doug Cutting resolved HADOOP-77:
--------------------------------
Fix Version: 0.1
Resolution: Fixed
I have applied this patch. Thanks, Stefan.
> hang / crash when input folder does not exists.
> -----------------------------------------------
>
> Key: HADOOP-77
> URL: http://issues.apache.org/jira/browse/HADOOP-77
> Project: Hadoop
> Type: Bug
> Components: mapred
> Versions: 0.1
> Reporter: Stefan Groschupf
> Priority: Critical
> Fix For: 0.1
> Attachments: noNullMaps_AND_Reduces.patch
>
> The jobtracker hangs and jobtracker info server throws Internal Server Error when until task initialization a exception will be thrown.
> Future jobs will no processed and also the job info server does not show any information since it throws a a http 500.
> This is a show blocker especially when hadoop is shell script driven.
> 060312 235707 TaskInProgress tip_6jd6g8 has failed 4 times.
> 060312 235707 Aborting job job_hsg7y8
> 060312 235708 Server connection on port 50020 from XX.100.XXX.2: exiting
> 060312 235709 Server connection on port 50020 from XX.100.XXX.2: starting
> 060312 235710 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/hadoop-default.xml
> 060312 235710 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/mapred-default.xml
> 060312 235710 parsing file:/home/myuser/nutch/conf/hadoop-site.xml
> 060312 235710 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/hadoop-default.xml
> 060312 235710 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/mapred-default.xml
> 060312 235710 parsing file:/home/myuser/nutch/conf/hadoop-site.xml
> 060312 235710 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/hadoop-default.xml
> 060312 235710 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/mapred-default.xml
> 060312 235710 parsing /u1/hadoop-data/tmp/hadoop/mapred/local/jobTracker/job_2p6ywq.xml
> 060312 235710 parsing file:/home/myuser/nutch/conf/hadoop-site.xml
> 060312 235711 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/hadoop-default.xml
> 060312 235711 parsing jar:file:/home/myuser/nutch/lib/hadoop-0.1-dev.jar!/mapred-default.xml
> 060312 235711 parsing /u1/hadoop-data/tmp/hadoop/mapred/local/jobTracker/job_2p6ywq.xml
> 060312 235711 parsing file:/home/myuser/nutch/conf/hadoop-site.xml
> 060312 235712 job init failed
> java.io.IOException: Not a file: /user/myuser/segments/20060312214035/crawl_fetch/part-00001/data
> at org.apache.hadoop.mapred.InputFormatBase.getSplits(InputFormatBase.java:99)
> at org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:127)
> at org.apache.hadoop.mapred.JobTracker$JobInitThread.run(JobTracker.java:208)
> at java.lang.Thread.run(Thread.java:595)
> Exception in thread "Thread-20" java.lang.NullPointerException
> at org.apache.hadoop.mapred.JobInProgress.kill(JobInProgress.java:437)
> at org.apache.hadoop.mapred.JobTracker$JobInitThread.run(JobTracker.java:212)
> at java.lang.Thread.run(Thread.java:595)
> 060312 235713 Server connection on port 50020 from XX.100.XXX.2: exiting
> ...
> 60312 235715 parsing file:/home/myuser/nutch/conf/hadoop-site.xml
> 060312 235755 /jobtracker.jsp:
> java.lang.NullPointerException
> at org.apache.hadoop.mapred.JobInProgress.finishedMaps(JobInProgress.java:205)
> at org.apache.hadoop.mapred.jobtracker_jsp.generateJobTable(jobtracker_jsp.java:67)
> at org.apache.hadoop.mapred.jobtracker_jsp._jspService(jobtracker_jsp.java:130)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
> 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)
> 060313 014526 /jobtracker.jsp:
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