How to solve jna not found issue in cassandra1.1.2

Question

I'm using cassandra 1.1.2 on ubuntu os. I see the following log at start:

INFO 14:42:59,319 JNA not found. Native methods will be disabled.

I've found this issue, but I'm not sure about the versions and where should I locate this files.

Could someone describe the exact steps to solve this issue. Thanks

Answer 1

Do this :

$ ln -s /usr/share/java/jna.jar /usr/share/cassandra/lib

It will works ;) It'll turn to Jna mlockall ;)