[HBASE-495] No server address listed in .META.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.1.0, 0.2.0
• Component/s: master
• Assignee: Unassigned
• Reporter: Michael Stack
• Created: 06/Mar/08 18:46
• Updated: 22/Aug/08 21:13
• Resolved: 07/Mar/08 20:00

Description

Michael Bieniosek manufactured the following in a 0.16.0 install:

08/03/06 17:52:02 DEBUG hbase.HTable: Advancing internal scanner to startKey g80Fi5WZHlzLqGzErrAd7V==
08/03/06 17:52:02 DEBUG hbase.HConnectionManager$TableServers: reloading table servers because: No server address listed in .META. for region enwiki_080103,g80Fi5WZHlzLqGzErrAd7V==,1204768636421
08/03/06 17:52:12 DEBUG hbase.HConnectionManager$TableServers: reloading table servers because: No server address listed in .META. for region enwiki_080103,g80Fi5WZHlzLqGzErrAd7V==,1204768636421
08/03/06 17:52:22 DEBUG hbase.HConnectionManager$TableServers: reloading table servers because: No server address listed in .META. for region enwiki_080103,g80Fi5WZHlzLqGzErrAd7V==,1204768636421
org.apache.hadoop.hbase.NoServerForRegionException: No server address listed in .META. for region enwiki_080103,g80Fi5WZHlzLqGzErrAd7V==,1204768636421
        at org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:449)
        at org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:346)
        at org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:309)
        at org.apache.hadoop.hbase.HTable.getRegionLocation(HTable.java:103)
        at org.apache.hadoop.hbase.HTable$ClientScanner.nextScanner(HTable.java:854)
        at org.apache.hadoop.hbase.HTable$ClientScanner.next(HTable.java:915)
        at org.apache.hadoop.hbase.hql.SelectCommand.scanPrint(SelectCommand.java:233)
        at org.apache.hadoop.hbase.hql.SelectCommand.execute(SelectCommand.java:100)
        at org.apache.hadoop.hbase.hql.HQLClient.executeQuery(HQLClient.java:50)
        at org.apache.hadoop.hbase.Shell.main(Shell.java:114)

When I look in the .META., I see that the above region range has multiple mentions... : one offlined, two that have startcodes and servers associated and about 5 others that are just HRIs. Table is broke. At least need the merge of overlapping regions tool to fix. Digging more....

Issue Links

• relates to: HBASE-12 when hbase regionserver restarts, it says "impossible state for createLease()"