I checked zk dump from master UI, there all 5 zk servers are appearing with some stats. Not always we are getting this exception, only in random intervals we are seeing it.
Thanks,Sandeep. > From: bhara...@cloudera.com > Date: Fri, 13 Dec 2013 13:10:52 +0530 > Subject: Re: zookeeper.znode.parent mismatch exception > To: user@hbase.apache.org > > Can you check if your ZK servers are actually forming a quorum or if they > are just stand alone instances? If they don't form a quorum, znodes are > just created on which ever zk server the master first connects to and the > apps/RS connecting to other instances don't see the znode and thus raising > this error. > > > On Fri, Dec 13, 2013 at 1:03 PM, Sandeep L <sandeepvre...@outlook.com>wrote: > > > No, we didn't upgraded. We are using HBase-0.94.1 > > The issue here is we are not always facing this issue, only once in a > > while we are facing this issue(2 or 3 times a day).Other times it working > > without any issue. > > > > Thanks,Sandeep. > > > > > Date: Thu, 12 Dec 2013 23:23:18 -0800 > > > Subject: Re: zookeeper.znode.parent mismatch exception > > > From: pradeep...@gmail.com > > > To: user@hbase.apache.org > > > > > > Did you recently upgrade to 0.96? This is a problem I faced with > > mismatched > > > clients connecting to an 0.96 cluster. Starting in that version, the root > > > node for zookeeper chanced from /hbase to /hbase-unsecure (if in unsecure > > > mode). > > > > > > > > > On Thu, Dec 12, 2013 at 10:47 PM, Sandeep L <sandeepvre...@outlook.com > > >wrote: > > > > > > > Hi, > > > > Our production cluster is in distributed mode with 5 servers as > > zookeeper > > > > quorum. > > > > While accessing production HBase server from our application we are > > > > getting zookeeper.znode.parent mismatch exception. > > > > Following is exception in our log files: > > > > from org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker in > > > > pool-67467-thread-1Check the value configured in > > 'zookeeper.znode.parent'. > > > > There could be a mismatch with the one configured in the master. > > > > > > > > We checked all hbase-site.xml files to find any mismatches in > > > > configurations, but no luck all configuration files same. We don't > > have any > > > > configuration with name zookeeper.znode.parent in hbase-site.xml, but I > > > > have one configuration with same name in hbase-defalut.xml with value > > as > > > > /hbase. > > > > In our application server we don't have any file with name > > > > hbase-default.xml, but we have hbase-site.xml in it. > > > > > > > > Can someone help us to resolve this issue. > > > > > > > > Thanks,Sandeep. > > > > > > > > -- > Bharath Vissapragada > <http://www.cloudera.com>
