What does this command show you ? get /hbase/replication/rs/va-p-hbase-01-c,60020,1369249873379/1
Cheers On Wed, May 22, 2013 at 1:46 PM, [email protected] < [email protected]> wrote: > ls /hbase/replication/rs/va-p-hbase-01-c,60020,1369249873379 > [1] > [zk: va-p-zookeeper-01-c:2181(CONNECTED) 2] ls > /hbase/replication/rs/va-p-hbase-01-c,60020,1369249873379/1 > [] > > I'm on hbase-0.94.2-cdh4.2.1 > > Thanks > > > On Wed, May 22, 2013 at 11:40 PM, Varun Sharma <[email protected]> > wrote: > > > Also what version of HBase are you running ? > > > > > > On Wed, May 22, 2013 at 1:38 PM, Varun Sharma <[email protected]> > wrote: > > > > > Basically, > > > > > > You had va-p-hbase-02 crash - that caused all the replication related > > data > > > in zookeeper to be moved to va-p-hbase-01 and have it take over for > > > replicating 02's logs. Now each region server also maintains an > in-memory > > > state of whats in ZK, it seems like when you start up 01, its trying to > > > replicate the 02 logs underneath but its failing to because that data > is > > > not in ZK. This is somewhat weird... > > > > > > Can you open the zookeepeer shell and do > > > > > > ls /hbase/replication/rs/va-p-hbase-01-c,60020,1369249873379 > > > > > > And give the output ? > > > > > > > > > On Wed, May 22, 2013 at 1:27 PM, [email protected] < > > > [email protected]> wrote: > > > > > >> Hi, > > >> > > >> This is bad ... and happened twice: I had my replication-slave cluster > > >> offlined. I performed quite a massive Merge operation on it and after > a > > >> couple of hours it had finished and I returned it back online. At the > > same > > >> time, the replication-master RS machines crashed (see first crash > > >> http://pastebin.com/1msNZ2tH) with the first exception being: > > >> > > >> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode > = > > >> NoNode for > > >> > > >> > > > /hbase/replication/rs/va-p-hbase-01-c,60020,1369233253404/1-va-p-hbase-01-c,60020,1369042378287-va-p-hbase-02-c,60020,1369042377731/va-p-hbase-01-c%2C60020%2C1369042378287.1369220050719 > > >> at > > >> org.apache.zookeeper.KeeperException.create(KeeperException.java:111) > > >> at > > >> org.apache.zookeeper.KeeperException.create(KeeperException.java:51) > > >> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1266) > > >> at > > >> > > >> > > > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.setData(RecoverableZooKeeper.java:354) > > >> at > > >> org.apache.hadoop.hbase.zookeeper.ZKUtil.setData(ZKUtil.java:846) > > >> at > > >> org.apache.hadoop.hbase.zookeeper.ZKUtil.setData(ZKUtil.java:898) > > >> at > > >> org.apache.hadoop.hbase.zookeeper.ZKUtil.setData(ZKUtil.java:892) > > >> at > > >> > > >> > > > org.apache.hadoop.hbase.replication.ReplicationZookeeper.writeReplicationStatus(ReplicationZookeeper.java:558) > > >> at > > >> > > >> > > > org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceManager.logPositionAndCleanOldLogs(ReplicationSourceManager.java:154) > > >> at > > >> > > >> > > > org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.shipEdits(ReplicationSource.java:638) > > >> at > > >> > > >> > > > org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:387) > > >> > > >> Before restarting the crashed RS's, I have applied a > 'stop_replication' > > >> cmd. Then fired up the RS's again. They've started o.k. but once I've > > hit > > >> 'start_replication' they have crashed once again. The second crash log > > >> http://pastebin.com/8Nb5epJJ has the same initial exception > > >> (org.apache.zookeeper.KeeperException$NoNodeException: > > >> KeeperErrorCode = NoNode). I've started the crash region servers again > > >> without replication and currently all is well, but I need to start > > >> replication asap. > > >> > > >> Does anyone have an idea what's going on and how can I solve it ? > > >> > > >> Thanks, > > >> Amit > > >> > > > > > > > > >
