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From: Timothy Wall <twalljava@java.net>
Subject: Re: Debian package jna bug workaroung
Date: Fri, 11 Nov 2011 12:48:13 +0000 (UTC)
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Peter Tillotson <slatemine <at> yahoo.co.uk> writes:

> 
> Full stack traces:
> 
> java.lang.NoClassDefFoundError:
>  Could not initialize class com.sun.jna.Native
> 
> 
>         at com.sun.jna.Pointer.<clinit>(Pointer.java:42)
>         at
org.apache.cassandra.cache.SerializingCache.serialize(SerializingCache.java:92)


Note that the exception is thrown from com.sun.jna.Pointer, while it is loading
com.sun.jna.Native.  JNA *has* been found, and started loading, but encountered
some problem that prevented the com.sun.jna.Native class from initializing.

This may be because you have two conflicting versions of jna.jar in your
classpath, or conflicting versions of the JNA native library stub in your
library load path.  Version 3.4.0 of JNA (available soon) will make these sorts
of conflicts more obvious.