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From Yogi Nerella <ynerella...@gmail.com>
Subject Re: JNA not found.
Date Tue, 29 Jan 2013 19:05:40 GMT
Chandra,

Try adding the following option, which may give you more info in the log or
console.

-Xcheck:jni

Do you have any custom c++ libraries using JNA interface?    You should add
your custom libraries in LD_LIBRARY_PATH
or provide them in -Djava.library.path.

Yogi


On Tue, Jan 29, 2013 at 10:35 AM, Jabbar <ajazam@gmail.com> wrote:

> Try downloading jna-3.5.1.jar and copying into the lib directory. I made
> the same mistake :)
> On Jan 29, 2013 5:20 PM, "Tim Dunphy" <bluethundr@gmail.com> wrote:
>
>> Hi Chandra,
>>
>> Thanks for your reply. Well I have added both jna.jar and platform.jar to
>> my lib directory (jna 3.3.0):
>>
>> [root@cassandra-node01 cassandrahome]# ls -l lib/jna.jar
>> lib/platform.jar
>> -rw-r--r-- 1 root root 865400 Jan 29 12:14 lib/jna.jar
>> -rw-r--r-- 1 root root 841291 Jan 29 12:14 lib/platform.jar
>>
>> But sadly I get the same result:
>>
>> [root@cassandra-node01 cassandrahome]# ./bin/cassandra -f
>> xss =  -ea -javaagent:/etc/alternatives/cassandrahome/lib/jamm-0.2.5.jar
>> -XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42 -Xms295M -Xmx295M
>> -Xmn73M -XX:+HeapDumpOnOutOfMemoryError -Xss180k
>>  INFO 12:14:52,493 Logging initialized
>>  INFO 12:14:52,507 JVM vendor/version: Java HotSpot(TM) 64-Bit Server
>> VM/1.6.0_34
>>  INFO 12:14:52,507 Heap size: 301727744/302776320
>>  INFO 12:14:52,508 Classpath:
>> /etc/alternatives/cassandrahome/conf:/etc/alternatives/cassandrahome/build/classes/main:/etc/alternatives/cassandrahome/build/classes/thrift:/etc/alternatives/cassandrahome/lib/antlr-3.2.jar:/etc/alternatives/cassandrahome/lib/apache-cassandra-1.2.1.jar:/etc/alternatives/cassandrahome/lib/apache-cassandra-clientutil-1.2.1.jar:/etc/alternatives/cassandrahome/lib/apache-cassandra-thrift-1.2.1.jar:/etc/alternatives/cassandrahome/lib/avro-1.4.0-fixes.jar:/etc/alternatives/cassandrahome/lib/avro-1.4.0-sources-fixes.jar:/etc/alternatives/cassandrahome/lib/commons-cli-1.1.jar:/etc/alternatives/cassandrahome/lib/commons-codec-1.2.jar:/etc/alternatives/cassandrahome/lib/commons-lang-2.6.jar:/etc/alternatives/cassandrahome/lib/compress-lzf-0.8.4.jar:/etc/alternatives/cassandrahome/lib/concurrentlinkedhashmap-lru-1.3.jar:/etc/alternatives/cassandrahome/lib/guava-13.0.1.jar:/etc/alternatives/cassandrahome/lib/high-scale-lib-1.1.2.jar:/etc/alternatives/cassandrahome/lib/jackson-core-asl-1.9.2.jar:/etc/alternatives/cassandrahome/lib/jackson-mapper-asl-1.9.2.jar:/etc/alternatives/cassandrahome/lib/jamm-0.2.5.jar:/etc/alternatives/cassandrahome/lib/jline-1.0.jar:/etc/alternatives/cassandrahome/lib/jna.jar:/etc/alternatives/cassandrahome/lib/json-simple-1.1.jar:/etc/alternatives/cassandrahome/lib/libthrift-0.7.0.jar:/etc/alternatives/cassandrahome/lib/log4j-1.2.16.jar:/etc/alternatives/cassandrahome/lib/metrics-core-2.0.3.jar:/etc/alternatives/cassandrahome/lib/netty-3.5.9.Final.jar:/etc/alternatives/cassandrahome/lib/platform.jar:/etc/alternatives/cassandrahome/lib/servlet-api-2.5-20081211.jar:/etc/alternatives/cassandrahome/lib/slf4j-api-1.7.2.jar:/etc/alternatives/cassandrahome/lib/slf4j-log4j12-1.7.2.jar:/etc/alternatives/cassandrahome/lib/snakeyaml-1.6.jar:/etc/alternatives/cassandrahome/lib/snappy-java-1.0.4.1.jar:/etc/alternatives/cassandrahome/lib/snaptree-0.1.jar:/etc/alternatives/cassandrahome/lib/jamm-0.2.5.jar
>> Killed
>>
>> And still when I remove those library files cassandra starts without a
>> problem exception the fact that it is not able to use JNA.
>>
>> I'd appreciate any input the list might have.
>>
>> Thanks
>> Tim
>>
>> On Tue, Jan 29, 2013 at 8:54 AM, chandra Varahala <
>> hadoopandcassandra@gmail.com> wrote:
>>
>>> I think you need Jna  jar and  jna-plaform jar in  cassandra lib folder
>>>
>>> -chandra
>>>
>>>
>>>
>>> On Mon, Jan 28, 2013 at 10:02 PM, Tim Dunphy <bluethundr@gmail.com>wrote:
>>>
>>>> I went to github to try to download jna again. I downloaded version
>>>> 3.5.1
>>>>
>>>> [root@cassandra-node01 cassandrahome]# ls -l lib/jna-3.5.1.jar
>>>> -rw-r--r-- 1 root root 692603 Jan 28 21:57 lib/jna-3.5.1.jar
>>>>
>>>> I noticed in the datastax docs that java 7 was not recommended so I
>>>> downgraded to java 6
>>>>
>>>> [root@cassandra-node01 cassandrahome]# java -version
>>>> java version "1.6.0_34"
>>>> Java(TM) SE Runtime Environment (build 1.6.0_34-b04)
>>>> Java HotSpot(TM) 64-Bit Server VM (build 20.9-b04, mixed mode)
>>>>
>>>> And now if I try to start cassandra with that library it fails with
>>>> this message:
>>>>
>>>> [root@cassandra-node01 cassandrahome]# ./bin/cassandra -f
>>>> xss =  -ea
>>>> -javaagent:/etc/alternatives/cassandrahome/lib/jamm-0.2.5.jar
>>>> -XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42 -Xms295M -Xmx295M
>>>> -Xmn73M -XX:+HeapDumpOnOutOfMemoryError -Xss180k
>>>>  INFO 22:00:14,318 Logging initialized
>>>>  INFO 22:00:14,333 JVM vendor/version: Java HotSpot(TM) 64-Bit Server
>>>> VM/1.6.0_34
>>>>  INFO 22:00:14,334 Heap size: 301727744/302776320
>>>>  INFO 22:00:14,334 Classpath:
>>>> /etc/alternatives/cassandrahome/conf:/etc/alternatives/cassandrahome/build/classes/main:/etc/alternatives/cassandrahome/build/classes/thrift:/etc/alternatives/cassandrahome/lib/antlr-3.2.jar:/etc/alternatives/cassandrahome/lib/apache-cassandra-1.2.1.jar:/etc/alternatives/cassandrahome/lib/apache-cassandra-clientutil-1.2.1.jar:/etc/alternatives/cassandrahome/lib/apache-cassandra-thrift-1.2.1.jar:/etc/alternatives/cassandrahome/lib/avro-1.4.0-fixes.jar:/etc/alternatives/cassandrahome/lib/avro-1.4.0-sources-fixes.jar:/etc/alternatives/cassandrahome/lib/commons-cli-1.1.jar:/etc/alternatives/cassandrahome/lib/commons-codec-1.2.jar:/etc/alternatives/cassandrahome/lib/commons-lang-2.6.jar:/etc/alternatives/cassandrahome/lib/compress-lzf-0.8.4.jar:/etc/alternatives/cassandrahome/lib/concurrentlinkedhashmap-lru-1.3.jar:/etc/alternatives/cassandrahome/lib/guava-13.0.1.jar:/etc/alternatives/cassandrahome/lib/high-scale-lib-1.1.2.jar:/etc/alternatives/cassandrahome/lib/jackson-core-asl-1.9.2.jar:/etc/alternatives/cassandrahome/lib/jackson-mapper-asl-1.9.2.jar:/etc/alternatives/cassandrahome/lib/jamm-0.2.5.jar:/etc/alternatives/cassandrahome/lib/jline-1.0.jar:/etc/alternatives/cassandrahome/lib/jna-3.5.1.jar:/etc/alternatives/cassandrahome/lib/json-simple-1.1.jar:/etc/alternatives/cassandrahome/lib/libthrift-0.7.0.jar:/etc/alternatives/cassandrahome/lib/log4j-1.2.16.jar:/etc/alternatives/cassandrahome/lib/metrics-core-2.0.3.jar:/etc/alternatives/cassandrahome/lib/netty-3.5.9.Final.jar:/etc/alternatives/cassandrahome/lib/servlet-api-2.5-20081211.jar:/etc/alternatives/cassandrahome/lib/slf4j-api-1.7.2.jar:/etc/alternatives/cassandrahome/lib/slf4j-log4j12-1.7.2.jar:/etc/alternatives/cassandrahome/lib/snakeyaml-1.6.jar:/etc/alternatives/cassandrahome/lib/snappy-java-1.0.4.1.jar:/etc/alternatives/cassandrahome/lib/snaptree-0.1.jar:/etc/alternatives/cassandrahome/lib/jamm-0.2.5.jar
>>>> Killed
>>>>
>>>> I move the library back out of the lib directory and cassandra starts
>>>> again albeit without JNA working quite naturally.
>>>>
>>>>
>>>> Both my cassandra and java installs are tarball installs.
>>>>
>>>> Thanks
>>>> Tim
>>>>
>>>>
>>>> On Mon, Jan 28, 2013 at 6:29 PM, Tim Dunphy <bluethundr@gmail.com>wrote:
>>>>
>>>>> Hey List,
>>>>>
>>>>>  I just downloaded 1.21 and have set it up across my cluster. When I
>>>>> noticed the following notice:
>>>>>
>>>>>  INFO 18:14:53,828 JNA not found. Native methods will be disabled.
>>>>>
>>>>> So I downloaded jna.jar from git hub and moved it to the cassandra
>>>>> /lib directory. I changed mod to 755 as per the datastax docs. I've also
>>>>> tried installing the jna package (via yum, I am using centos 6.2). Nothing
>>>>> seems to do the trick, I keep getting this message. What can I do to
get
>>>>> cassandra 1.2.1 to recognize JNA?
>>>>>
>>>>> Thanks
>>>>> Tim
>>>>> --
>>>>> GPG me!!
>>>>>
>>>>> gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> GPG me!!
>>>>
>>>> gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B
>>>>
>>>>
>>>
>>
>>
>> --
>> GPG me!!
>>
>> gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B
>>
>>

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