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From Apache Wiki <>
Subject [Nutch Wiki] Trivial Update of "ErrorMessagesInNutch2" by LewisJohnMcgibbney
Date Sat, 23 Feb 2013 05:02:15 GMT
Dear Wiki user,

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The "ErrorMessagesInNutch2" page has been changed by LewisJohnMcgibbney:

  == Nutch 2.1 + HBase 0.90.4 cluster settings - WARN  zookeeper.ClientCnxn - Session 0x0
for server, unexpected error, closing socket connection
and attempting reconnect Connection reset by peer ==
  There seems to be a bug in the HBase 0.90.4 library, which comes with Nutch 2.x. If you
replace hbase-0.90.4.jar with hbase-0.90.6-cdh3u5.jar (assuming that you are running with
CDH3 Update 5) the problem should be resolved and you will avoid the rather nasty looking
trace as below. [[|Here]]
is the mailing list thread for reference.
+ '''N.B.''' Please also ensure that zoo.cfg is copied to the hadoop conf directory (e.g.
on classpath) on the entire cluster. 
  2013-02-06 17:09:32,775 WARN  zookeeper.ClientCnxn - Session 0x0 for

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