accumulo-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Josh Elser <josh.el...@gmail.com>
Subject Re: Installing Accumulo in multinode setup
Date Thu, 06 Oct 2016 21:17:27 GMT
Hrm, maybe I am looking at a newer version of Accumulo than what you're 
using. What version are you on?

Yamini Joshi wrote:
> 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.elser@gmail.com
> <mailto:josh.elser@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.putEphemeralSequential(ZooUtil.java:464)
>               at
>         org.apache.accumulo.fate.zookeeper.ZooReaderWriter.putEphemeralSequential(ZooReaderWriter.java:99)
>               at
>         org.apache.accumulo.tracer.TraceServer.registerInZooKeeper(TraceServer.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(TracerExecutable.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
>
>

Mime
View raw message