Thank you for replying Josh. I am getting this error: Node does not exist: /tracers
I did ls and saw accumulo there. Should I delete that? When I try to delete accumulo, it gives me a Authentication is not valid error. Best regards, Yamini Joshi On Thu, Oct 6, 2016 at 2:57 PM, Josh Elser <josh.el...@gmail.com> wrote: > Hi Yamini, > > The /tracers node in ZooKeeper was likely initialized previously using an > Accumulo configuration that has a different value for instance.secret. You > can delete this znode to move forward if you have no other Accumulo > instance you intend to run on this ZK instance. > > $ $ZOOKEEPER_HOME/bin/zkCli.sh -server m4:2181,m5:2181,m6:2181 > > rmr /tracers > > You can also set a different value for trace.zookeeper.path in > accumulo-site.xml. After doing this, you can try running a start-all.sh > again to start the tracer. > > You also mentioned that the Monitor did not start but did not include an > exception for that service. The error you included only shows that the > Accumulo Master/TabletServer did not correctly start and assign the system > tables (accumulo.root and accumulo.metadata). > > > Yamini Joshi wrote: > >> Hello all >> >> I am trying to configure a multinode cluster with accumulo. I am using 3 >> machines with the config as follows: >> >> M4: Hadoop Master/Acc Slave >> M5: Accumulo Master/Monitor/Gc >> M6: Slave >> >> I have configured zookeeper ensemble on the cluster with all the 3 >> nodes. The Hadoop part seems to work fine, I can see the console and run >> MR jobs easily. I can also see the zookeeper cluster with M2 as the >> leader. My problem is with accumulo, after accumulo init: >> bin/accumulo init >> which seems to run without any error, after I isuue the command >> bin/start-all.sh >> the Monitor process can't start. I am getting this error in my tracer >> log: >> [start.Main] ERROR: Thread 'tracer' died. >> org.apache.zookeeper.KeeperException$NoAuthException: KeeperErrorCode = >> NoAuth for /tracers/trace- >> at >> org.apache.zookeeper.KeeperException.create(KeeperException.java:113) >> at org.apache.zookeeper.KeeperException.create(KeeperException. >> java:51) >> at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783) >> at >> org.apache.accumulo.fate.zookeeper.ZooUtil.putEphemeralSeque >> ntial(ZooUtil.java:464) >> at >> org.apache.accumulo.fate.zookeeper.ZooReaderWriter.putEpheme >> ralSequential(ZooReaderWriter.java:99) >> at >> org.apache.accumulo.tracer.TraceServer.registerInZooKeeper(T >> raceServer.java:304) >> at org.apache.accumulo.tracer.TraceServer.<init>(TraceServer. >> java:241) >> at org.apache.accumulo.tracer.TraceServer.main(TraceServer.java:346) >> at >> org.apache.accumulo.tracer.TracerExecutable.execute(TracerEx >> ecutable.java:33) >> at org.apache.accumulo.start.Main$1.run(Main.java:120) >> at java.lang.Thread.run(Thread.java:745) >> >> And this in my monitor debug log: >> Failed to locate tablet for table : !0 row : ~err_\100 >> >> I can see that the accumulo dir has been created in the HDFS. Can anyone >> please guide me set this up? I am attaching my config files here (Rest >> all the same generated as a result of bin_config file). >> >> Best regards, >> Yamini Joshi >> >
