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From "Jean-Daniel Cryans (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4723) Loads of NotAllMetaRegionsOnlineException traces when starting the master
Date Wed, 02 Nov 2011 00:43:32 GMT
Loads of NotAllMetaRegionsOnlineException traces when starting the master
-------------------------------------------------------------------------

                 Key: HBASE-4723
                 URL: https://issues.apache.org/jira/browse/HBASE-4723
             Project: HBase
          Issue Type: Improvement
            Reporter: Jean-Daniel Cryans
            Assignee: Jean-Daniel Cryans
            Priority: Minor
             Fix For: 0.92.0, 0.90.5


Minor annoyance, when starting a master I very often get 1 or more stack traces like these:

{quote}
2011-11-02 00:39:14,448 INFO org.apache.hadoop.hbase.catalog.CatalogTracker: Retrying
org.apache.hadoop.hbase.NotAllMetaRegionsOnlineException: Timed out (100ms)
	at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMeta(CatalogTracker.java:449)
	at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMeta(CatalogTracker.java:413)
	at org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:541)
	at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:468)
	at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:309)
	at java.lang.Thread.run(Thread.java:662)
{quote}

1) it's not super clear what's going on (putting myself in a new user's head) and 2) those
exceptions look bad (until you see they are at INFO level).

I'd just do a little cleanup: remove the stack trace, add a more meaningful message.

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