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From Ali Ahsan <>
Subject Re: Cassandra monitoring tool
Date Tue, 12 Apr 2011 16:24:45 GMT
Thanks for sharing this info,I am getting following error,Can please be 
more specific how can i run this

java -cp 
/home/ali/apache-cassandra-0.6.3/lib/simple-cassandra-monitoring-1.0.jar ks1:cf1,ks1:cf2
Exception in thread "main" java.lang.NoClassDefFoundError: 127/0/0/1
Caused by: java.lang.ClassNotFoundException:
     at Method)
     at java.lang.ClassLoader.loadClass(
     at sun.misc.Launcher$AppClassLoader.loadClass(
     at java.lang.ClassLoader.loadClass(
Could not find the main class: Program will exit.


java -jar 
/home/ali/apache-cassandra-0.6.3/lib/simple-cassandra-monitoring-1.0.jar  localhost 

Failed to load Main-Class manifest attribute from

On 04/12/2011 07:26 PM, H├ęctor Izquierdo Seliva wrote:
> Hi everyone.
> Looking for ways to monitor cassandra with zabbix I could not found
> anything that was really usable, till I found mention of a nice class by
> smeet. I have based my modification upon his work and now I give it back
> to the community.
> Here's the project url:
> It allows to get statistics for any Keyspace/ColumnFamily you want. To
> start it just build the jar, and launch it using as classpath your
> cassandra installation lib folder.
> The first parameter is the node host name. The second parameter is a
> comma separated list of KS:CF values. For example:
> java -cp blablabla localhost ks1:cf1,ks1:cf2.
> Then point curl to http://localhost:9090/ks1/cf1 and some basic stats
> will be displayed.
> You can also point to http://localhost:9090/nodeinfo to get some info
> about the server.
> If you have any suggestion or improvement you would like to see, please
> contact me and I will be glad to work on it. Right now it's a bit rough,
> but it gets the job done.
> Thanks for your time!

S.Ali Ahsan

Senior System Engineer

e-Business (Pvt) Ltd

49-C Jail Road, Lahore, P.O. Box 676
Lahore 54000, Pakistan

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