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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1603) MR failed "RetriesExhaustedException: Trying to contact region server Some server for region TestTable..."
Date Mon, 06 Jul 2009 20:39:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727769#action_12727769
] 

Andrew Purtell commented on HBASE-1603:
---------------------------------------

Great (in a way). This is a reproduction of the issue that Andrew Lee reported last month.

> MR failed "RetriesExhaustedException: Trying to contact region server Some server for
region TestTable..."
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-1603
>                 URL: https://issues.apache.org/jira/browse/HBASE-1603
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.20.0
>
>
> Here is the master.  Region TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246462685358
was split at 16:11:42,865.  My MR job failed at 18:12:26,462 with this:
> {code}
> 2009-07-01 18:12:26,462 WARN org.apache.hadoop.mapred.TaskTracker: Error running child
> org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to contact region server
Some server for region TestTable,�,1246464670313, row '��		', but failed after 10 attempts.
> Exceptions:
> ...
> {code}
> Why after ten attempts did the client not find the region?
> {code}
> 2009-07-01 16:11:42,865 [IPC Server handler 2 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_SPLIT: TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246462685358:
Daughters; TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313, TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 1 of 3
> 2009-07-01 16:11:42,866 [IPC Server handler 2 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313 to aa0-000-15.u.powerset.com,60020,1246461673026
> 2009-07-01 16:11:42,866 [IPC Server handler 2 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313 to aa0-000-15.u.powerset.com,60020,1246461673026
> 2009-07-01 16:11:45,905 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_PROCESS_OPEN: TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 1 of 3
> 2009-07-01 16:11:45,905 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_OPEN: TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 2 of 3
> 2009-07-01 16:11:45,906 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_OPEN: TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 3 of 3
> 2009-07-01 16:11:45,906 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313 open on 208.76.44.142:60020
> 2009-07-01 16:11:45,906 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
updating row TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313 in region .META.,,1
with startcode 1246461673026 and server 208.76.44.142:60020
> 2009-07-01 16:11:45,908 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313 open on 208.76.44.142:60020
> 2009-07-01 16:11:45,908 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
updating row TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313 in region .META.,,1
with startcode 1246461673026 and server 208.76.44.142:60020
> 2009-07-01 17:46:42,670 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_SPLIT: TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313:
Daughters; TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246470379467, TestTable,\x00\x00\x08\x04\x05\x07\x02\x05\x04\x08,1246470379467
from aa0-000-15.u.powerset.com,60020,1246461673026; 5 of 7
> {code}
> Here is over on the regionserver:
> {code}
> 2009-07-01 16:11:42,865 [IPC Server handler 2 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_SPLIT: TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246462685358:
Daughters; TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313, TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 1 of 3
> 2009-07-01 16:11:42,866 [IPC Server handler 2 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313 to aa0-000-15.u.powerset.com,60020,1246461673026
> 2009-07-01 16:11:42,866 [IPC Server handler 2 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313 to aa0-000-15.u.powerset.com,60020,1246461673026
> 2009-07-01 16:11:45,905 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_PROCESS_OPEN: TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 1 of 3
> 2009-07-01 16:11:45,905 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_OPEN: TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 2 of 3
> 2009-07-01 16:11:45,906 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Received MSG_REPORT_OPEN: TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313
from aa0-000-15.u.powerset.com,60020,1246461673026; 3 of 3
> 2009-07-01 16:11:45,906 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313 open on X.X.X.142:60020
> 2009-07-01 16:11:45,906 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
updating row TestTable,\x00\x00\x06\x05\x01\x05\x07\x09\x08\x00,1246464670313 in region .META.,,1
with startcode 1246461673026 and server X.X.X4.142:60020
> 2009-07-01 16:11:45,908 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313 open on X.X.X.142:60020
> 2009-07-01 16:11:45,908 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
updating row TestTable,\x00\x01\x01\x04\x04\x07\x02\x08\x08\x03,1246464670313 in region .META.,,1
with startcode 1246461673026 and server X.X.X.142:60020
> {code}

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