Hi Yeshwanth, What is your webapp looking at the ZNode? If you should the Java client and not look at the ZNode. Not getting why it's looking there. Do yo uknow?
JM 2014-04-25 2:01 GMT-04:00 yeshwanth kumar <yeshwant...@gmail.com>: > hi matteo, > > my problem isn't solved yet. > webapp isn't reading data from hbase. > all i see in logs is znode /hbase/table/mytable doesn't exist. > but all my tables are present in /hbase/table94/ > > so how can i fix this problem. > > thanks, > yeshwanth > > > > > On Tue, Apr 22, 2014 at 9:58 PM, Matteo Bertozzi <theo.berto...@gmail.com > >wrote: > > > that is already done by the server. > > The ZooKeeperWatcher.java is using conf.get( > > "zookeeper.znode.masterTableEnableDisable", "table94")); > > > > anyway, why are you looking at the znodes? > > a client application should never look at the znodes. > > The znodes are only carrying transient informations used for coordination > > > > Matteo > > > > > > > > On Tue, Apr 22, 2014 at 9:20 AM, yeshwanth kumar <yeshwant...@gmail.com > > >wrote: > > > > > hi matteo, > > > > > > how do i specify hbase znode to use /hbase/table94 instead of > > /hbase/table > > > > > > thanks > > > > > > > > > On Tue, Apr 22, 2014 at 9:40 PM, Matteo Bertozzi < > > theo.berto...@gmail.com > > > >wrote: > > > > > > > On Tue, Apr 22, 2014 at 9:00 AM, yeshwanth kumar < > > yeshwant...@gmail.com > > > > >wrote: > > > > > > > > > @matteo > > > > > present znode is at /hbase/table where it is empty. > > > > > where as all my tables are present in /hbase/table94 > > > > > now webapp isn't reading the data from hbase. > > > > > > > > > > > > > cdh 4.5.0 doesn't write in /hbase/table due to a compatibility issue > > > > /hbase/table94 > > > > is used. > > > > (see HBASE-6710 for details) > > > > > > > > On Tue, Apr 22, 2014 at 6:56 PM, Matteo Bertozzi < > > > theo.berto...@gmail.com > > > > >wrote: > > > > > > > > > > > > > > > /hbase/table94 is a "compatibility" znode that replaces > > /hbase/table > > > > > > if you want more details take a look at HBASE-6710. > > > > > > > > > > > > what is the problem of looking into /hbase/table94 instead of > > > > > /hbase/table? > > > > > > > > > > > > Matteo > > > > > > > > > > > > > > > > > > > > > > > > On Tue, Apr 22, 2014 at 5:18 AM, yeshwanth kumar < > > > > yeshwant...@gmail.com > > > > > > >wrote: > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > > > > > > > > i am running webapp written on jaxrs framework which performs > > CRUD > > > > > > > opereations on hbase. > > > > > > > > > > > > > > app was working fine till last week, > > > > > > > now when i perform reading opeartion from hbase i don't see > any > > > > data, > > > > > i > > > > > > > don't see any errors or exceptions but i found this lines in > the > > > log > > > > > > > > > > > > > > *""Unable to get data of znode /hbase/table/myTable because > node > > > does > > > > > not > > > > > > > exist (not an error)"".* > > > > > > > > > > > > > > i followed this< > > > > > > > https://blog.cloudera.com/blog/2013/10/what-are-hbase-znodes/> > > > > > > > cloudera > > > > > > > article about znodes and this is what i found, > > > > > > > > > > > > > > *$[zk: localhost:2181(CONNECTED) 14] ls /hbase* > > > > > > > *[splitlog, online-snapshot, unassigned, table94, > > > root-region-server, > > > > > rs, > > > > > > > backup-masters, table, draining, master, shutdown, hbaseid]* > > > > > > > > > > > > > > all the tables were present in /hbase/table94, where as > > > /hbase/table > > > > is > > > > > > > empty. > > > > > > > > > > > > > > i know what is the problem now, > > > > > > > but i don't know how to solve it. > > > > > > > > > > > > > > can someone help me with this issue. > > > > > > > > > > > > > > Thanks, > > > > > > > Yeshwanth > > > > > > > > > > > > > > > > > > > > > > > > > > > >
