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https://issues.apache.org/jira/browse/HADOOP-2668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560779#action_12560779
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stack commented on HADOOP-2668:
-------------------------------
I tried to do a migrate and it looks like the below:
{code}
durruti:~/Documents/checkouts/hadoop-commit/src/contrib/hbase stack$
./bin/hbase org.apache.hadoop.hbase.util.Migrate
08/01/19 23:05:21 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 1 time(s).
08/01/19 23:05:22 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 2 time(s).
08/01/19 23:05:23 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 3 time(s).
08/01/19 23:05:24 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 4 time(s).
08/01/19 23:05:25 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 5 time(s).
08/01/19 23:05:26 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 6 time(s).
08/01/19 23:05:27 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 7 time(s).
08/01/19 23:05:28 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 8 time(s).
08/01/19 23:05:29 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 9 time(s).
08/01/19 23:05:30 INFO ipc.Client: Retrying connect to server:
localhost/127.0.0.1:60000. Already tried 10 time(s).
08/01/19 23:05:31 INFO util.Migrate: unrecognized file -ROOT- ignoring
08/01/19 23:05:31 INFO util.Migrate: unrecognized file .hbase.version.crc
ignoring
08/01/19 23:05:31 INFO util.Migrate: unrecognized file .META. ignoring
08/01/19 23:05:31 ERROR util.Migrate: exiting due to error
java.io.IOException: unrecovered region server log file
log_192.168.0.100_1200373881646_51251 aborting
at org.apache.hadoop.hbase.util.Migrate.extraFile(Migrate.java:206)
at org.apache.hadoop.hbase.util.Migrate.extraFiles(Migrate.java:184)
at org.apache.hadoop.hbase.util.Migrate.run(Migrate.java:148)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.hbase.util.Migrate.main(Migrate.java:450)
{code}
The 'unrecognized' -ROOT- and .META. and *.crc do not inspire confidence. Can
we make the message better?
Looking at the FS, I see the version file and figure that rerunning the start,
it'd probably work for me (running the logs).. but it just fails again telling
me to migrate.
> [hbase] Documentation and improved logging so fact that hbase now requires
> migration comes as less of a surprise
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-2668
> URL: https://issues.apache.org/jira/browse/HADOOP-2668
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: stack
> Assignee: stack
> Priority: Blocker
> Fix For: 0.16.0
>
> Attachments: migrate.patch
>
>
> Hbase now checks for a version file. If none, it reports a version mismatch.
> There will be no version file if the hbase was made by a version older than
> r613469
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