为什么仍然在Cassandra启动时收到JNA错误，甚至jna.jar和platform.jar都在lib目录中？ [英] Why still getting JNA error on Cassandra startup, even the jna.jar and platform.jar are there in the lib dir?

问题描述

我已经下载并复制Jna.jar和Platform.jar到/usr/cassandra/apache-cassandra-1.0.7/lib文件夹，但仍然看到Cassandra启动时的以下错误，我错过了什么？

I have downloaded and copied Jna.jar and Platform.jar to /usr/cassandra/apache-cassandra-1.0.7/lib folder, but still see the following error on Cassandra startup, am I missing anything?

"On cassandra JNA not found. Native methods will be disabled."

下面是我获取Jna.jar和Platform.jar

And the following are where I get the Jna.jar and Platform.jar

https://github.com/downloads/twall/ jna / jna.jar
https://github.com/downloads/twall/jna/platform.jar

https://github.com/downloads/twall/jna/jna.jar https://github.com/downloads/twall/jna/platform.jar

推荐答案

根据建议的评论。

Ubunto 12.10

Cassandra 1.1.6

Ubunto 12.10
Cassandra 1.1.6

我通过

sudo apt-get install libjna-java
sudo ln -s /usr/share/java/jna.jar /usr/share/cassandra/lib

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