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Hive, mail # user - Error while reading from task log url


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Error while reading from task log url
Raihan Jamal 2012-07-20, 19:12
Whenever I run the below query-
*
*
*SELECT buyer_id, item_id, ranknew(buyer_id, item_id), created_time*
*FROM (*
*    SELECT buyer_id, item_id, created_time*
*    FROM testingtable1*
*    DISTRIBUTE BY buyer_id, item_id*
*    SORT BY buyer_id, item_id, created_time desc*
*) a*
*WHERE ranknew(buyer_id, item_id) %  2 == 0;*
I always get the below error, I have no clue what does this error means? Is
there any problem with my query or something wrong with the system?

*Total MapReduce jobs = 1*
*Launching Job 1 out of 1*
*Number of reduce tasks not specified. Estimated from input data size: 1*
*In order to change the average load for a reducer (in bytes):*
*  set hive.exec.reducers.bytes.per.reducer=<number>*
*In order to limit the maximum number of reducers:*
*  set hive.exec.reducers.max=<number>*
*In order to set a constant number of reducers:*
*  set mapred.reduce.tasks=<number>*
*Starting Job = job_201207172005_14407, Tracking URL http://ares-jt.vip.ebay.com:50030/jobdetails.jsp?jobid=job_201207172005_14407
*
*Kill Command = /home/hadoop/latest/bin/../bin/hadoop job
 -Dmapred.job.tracker=ares-jt:8021 -kill job_201207172005_14407*
*2012-07-21 02:07:15,917 Stage-1 map = 0%,  reduce = 0%*
*2012-07-21 02:07:27,211 Stage-1 map = 100%,  reduce = 0%*
*2012-07-21 02:07:38,700 Stage-1 map = 100%,  reduce = 33%*
*2012-07-21 02:07:48,517 Stage-1 map = 100%,  reduce = 0%*
*2012-07-21 02:08:49,566 Stage-1 map = 100%,  reduce = 0%*
*2012-07-21 02:09:08,640 Stage-1 map = 100%,  reduce = 100%*
*Ended Job = job_201207172005_14407 with errors*
*java.lang.RuntimeException: Error while reading from task log url*
*        at
org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor.getErrors(TaskLogProcessor.java:130)
*
*        at
org.apache.hadoop.hive.ql.exec.ExecDriver.showJobFailDebugInfo(ExecDriver.java:931)
*
*        at
org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:716)*
*        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:107)*
*        at
org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:55)*
*        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:621)*
*        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:495)*
*        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:374)*
*        at
org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:138)*
*        at
org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:197)*
*        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:302)*
*        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)*
*        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
*
*        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
*
*        at java.lang.reflect.Method.invoke(Method.java:597)*
*        at org.apache.hadoop.util.RunJar.main(RunJar.java:156)*
*Caused by: java.io.IOException: Server returned HTTP response code: 400
for URL:
http://lvsaishdc3dn0857.lvs.ebay.com:50060/tasklog?taskid=attempt_201207172005_14407_r_000000_1&all=true
*
*        at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1313)
*
*        at java.net.URL.openStream(URL.java:1010)*
*        at
org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor.getErrors(TaskLogProcessor.java:120)
*
*        ... 15 more*
*Ended Job = job_201207172005_14407 with exception
'java.lang.RuntimeException(Error while reading from task log url)'*
*Raihan Jamal*