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From George Ciubotaru <>
Subject RE: Column family cannot be removed
Date Mon, 21 Mar 2011 12:39:07 GMT
Hi Nikolay,

JNA has to be installed on the service box(es). On Ubuntu you can do the following:

  sudo dpkg -i libjna-java_3.2.7-0~nmu.2_amd64.deb
  ln -s /usr/share/java/jna.jar [path_to_cassandra]/lib

... and then restart Cassandra server.


-----Original Message-----
From: Nikolay [] 
Sent: 21 March 2011 12:20
Subject: Re: Column family cannot be removed

Jonathan Ellis <jbellis <at>> writes:

> drop and truncate both snapshot first, which requires forking to run 
> ln if you don't have JNA installed.
> best solution: install JNA so it can do in-process link calls.
Could you please tell exact actions in client (or not in client ?) that should be done ? I
have installed JNA, yes truncate still doesn't work for me. What to do after ?

Thank you!

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