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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8348) Polish the migration to 0.96
Date Wed, 07 Aug 2013 18:57:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13732575#comment-13732575
] 

stack commented on HBASE-8348:
------------------------------

Add the below to the migration doc as what you see if you try and connect w/ old client:

{code}

7:22:15  Exception in thread "main" java.lang.IllegalArgumentException: Not a host:port pair:
PBUF
17:22:15  *
17:22:15   api-compat-8.ent.cloudera.com ��  ���( 
17:22:15  	at org.apache.hadoop.hbase.util.Addressing.parseHostname(Addressing.java:60)
17:22:15  	at org.apache.hadoop.hbase.ServerName.<init>(ServerName.java:101)
17:22:15  	at org.apache.hadoop.hbase.ServerName.parseVersionedServerName(ServerName.java:283)
17:22:15  	at org.apache.hadoop.hbase.MasterAddressTracker.bytesToServerName(MasterAddressTracker.java:77)
17:22:15  	at org.apache.hadoop.hbase.MasterAddressTracker.getMasterAddress(MasterAddressTracker.java:61)
17:22:15  	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:703)
17:22:15  	at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:126)
17:22:15  	at Client_4_3_0.setup(Client_4_3_0.java:716)
17:22:15  	at Client_4_3_0.main(Client_4_3_0.java:63)
{code}

>From Aleks.
                
> Polish the migration to 0.96
> ----------------------------
>
>                 Key: HBASE-8348
>                 URL: https://issues.apache.org/jira/browse/HBASE-8348
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.95.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: rajeshbabu
>            Priority: Critical
>             Fix For: 0.95.2
>
>         Attachments: HBASE-8348_trunk.patch, HBASE-8348_trunk_v2.patch
>
>
> Currently, migration works but there's still a couple of rough edges:
>  - HBASE-8045 finished the .META. migration but didn't remove ROOT, so it's still on
the filesystem.
>  - Data in ZK needs to be removed manually. Either we fix up the data in ZK or we delete
it ourselves.
>  - TestMetaMigrationRemovingHTD has a testMetaUpdatedFlagInROOT method, but ROOT is gone
now.
> Elliott was also mentioning that we could have "hbase migrate" do the HFileV1 checks,
clear ZK, remove ROOT, etc.

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