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From Josh Elser <josh.el...@gmail.com>
Subject Re: Failed to get monitor lock org.apache.zookeeper.KeeperException$NoAuthException:
Date Sat, 06 Jun 2015 05:32:57 GMT
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Rukshan Chathuranga wrote:
> Hi Josh,
>
> i have attached the Main class,stack trace and Monitor class with some
> changes.
>
> I used some cracked code to make changes to Original Monitor class and
> Start Monitor class from Main Class.
>
> Now i can get the data i wanted, but some exception is throws and try to
> fix it.
>
> Thanks and Regards.
>
>
>
> /Rukshan Chathuranga./
> /Department Of Computer Science & Engineering,
> /
> /Faculty Of Engineering,
> /
> /University Of Moratuwa. //Sri Lanka./
> /WEB: http://www.rukspot.com/ <http://rukspot.com/>
> /
>
>
> On Sat, Jun 6, 2015 at 10:02 AM, Josh Elser <josh.elser@gmail.com
> <mailto:josh.elser@gmail.com>> wrote:
>
>     Rukshan,
>
>     Double check when you start the Monitor that you have the MAC's
>     accumulo-site.xml on the classpath. If you still see the ZooKeeper
>     exception, please provide a stacktrace and some more information on
>     what you've changed.
>
>     Rukshan Chathuranga wrote:
>
>         hi,
>
>         I run amc as separate application and try to write monitoring app
>         separately. For that i used the Monitor class with some changes.
>         I need to run them separately and get the statistics data using
>         Monitor
>         class.
>
>         Thanks and Regards.
>
>
>         /Rukshan Chathuranga./
>         /Department Of Computer Science & Engineering,
>         /
>         /Faculty Of Engineering,
>         /
>         /University Of Moratuwa. //Sri Lanka./
>         /WEB: http://www.rukspot.com/ <http://rukspot.com/>
>         /
>
>
>         On Fri, Jun 5, 2015 at 10:51 PM, Josh Elser
>         <josh.elser@gmail.com <mailto:josh.elser@gmail.com>
>         <mailto:josh.elser@gmail.com <mailto:josh.elser@gmail.com>>> wrote:
>
>              Hi Rukshan,
>
>              How did you start the Monitor?
>
>              The MiniAccumuloCluster is actually a thin wrapper around
>              MiniAccumuloClusterImpl (in recent versions). If you cast to
>              MiniAccumuloClusterImpl, you should be able to use the exec
>         method
>              to start the Monitor for you which will do the proper classpath
>              setup for you.
>
>                   ((MiniAccumuloClusterImpl) mac).exec(Monitor.class);
>
>              The authentication failure is commonly due to a security
>         measure we
>              have in place to ensure that rogue services cannot start
>              participating in an Accumulo cluster. The value of
>         `instance.secret`
>              in accumulo-site.xml is used to control the ACL in
>         ZooKeeper used to
>              write to certain znodes (such as those used for service
>         discovery).
>              If you see a NoAuthException, it's likely that the service you
>              started found the wrong accumulo-site.xml (or didn't find
>         it at all).
>
>              - Josh
>
>              Rukshan Chathuranga wrote:
>
>                  Hi,
>
>                  i am try to get the Accumulo statistics using
>                  Monitor(org.apache.accumulo.monitor.Monitor) class. But
>         when i
>                  try it i
>                  got the exception as below.
>                  Do you have any idea to fix this.
>
>                  Note that i am running accumulo as mini cluster.
>
>                  2015-06-05 21:27:58,052 [monitor.Monitor] WARN : Failed
>         to get
>                  monitor
>                  lock org.apache.zookeeper.KeeperException$NoAuthException:
>
>
>                  /Rukshan Chathuranga./
>                  /Department Of Computer Science & Engineering,
>                  /
>                  /Faculty Of Engineering,
>                  /
>                  /University Of Moratuwa. //Sri Lanka./
>                  /WEB: http://www.rukspot.com/ <http://rukspot.com/>
>                  /
>
>
>

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