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Posted to dev@hbase.apache.org by "Yu Li (JIRA)" <ji...@apache.org> on 2019/04/24 07:55:00 UTC
[jira] [Resolved] (HBASE-22283) Print row and table information
when failed to get region location
[ https://issues.apache.org/jira/browse/HBASE-22283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yu Li resolved HBASE-22283.
---------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 1.5.1
2.2.1
3.0.0
Merged in:
master: ab3d6cf811
branch-1: 4648ab1db6
branch-2: 54b944a10f
> Print row and table information when failed to get region location
> ------------------------------------------------------------------
>
> Key: HBASE-22283
> URL: https://issues.apache.org/jira/browse/HBASE-22283
> Project: HBase
> Issue Type: Improvement
> Components: Client, logging
> Affects Versions: 1.4.9, 2.0.5, 2.1.4
> Reporter: Yu Li
> Assignee: Yu Li
> Priority: Major
> Fix For: 3.0.0, 2.2.1, 1.5.1
>
>
> Currently when failed to get region location, especially when the {{RegionLocations}} returned is null in {{RpcRetryingCallerWithReadReplicas.getRegionLocations}} (we may see more useful message if there's an exception thrown), we only log the replica id w/o any detailed information about row and table, which makes the debugging difficult. Below is an example error message:
> {noformat}
> Caused by: org.apache.hadoop.hbase.client.RetriesExhaustedException: Can't get the location for replica 0
> at org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.getRegionLocations(RpcRetryingCallerWithReadReplicas.java:372)
> at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:153)
> at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:58)
> at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:219)
> at org.apache.hadoop.hbase.client.ClientScanner.call(ClientScanner.java:277)
> at org.apache.hadoop.hbase.client.ClientScanner.loadCache(ClientScanner.java:438)
> at org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:312)
> at org.apache.hadoop.hbase.MetaTableAccessor.fullScan(MetaTableAccessor.java:639)
> at org.apache.hadoop.hbase.MetaTableAccessor.tableExists(MetaTableAccessor.java:366)
> at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:409)
> {noformat}
> And here we propose to improve this part.
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