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From Garret Pick <pic...@whistle.com>
Subject Re: Setting up JNA on CentOS 6.6. with cassandra20-2.0.12 and Oracle Java 1.7.0_75
Date Wed, 25 Feb 2015 21:48:30 GMT
I figured out the issue.  I'm using a VM and the template I had did not
configure enough virtual memory.  I'm not sure what the minimum is but 2048
seems to work.  For the record, I'm using

/usr/share/cassandra/lib/jna-4.1.0.jar

Thanks for all of the tips!
Garret

On Wed, Feb 25, 2015 at 11:13 AM, J. Ryan Earl <oss@jryanearl.us> wrote:

> CentOS6 and every major version of C* from 1.1 through 2.1, but I would be
> curious if there's maybe a memory leak or something fixed between 3.2.4 and
> 3.2.7...?  AFAIK, it's only use for memlocking the heap and creating
> hardlinks for snapshots, both of which work.
>
> On Wed, Feb 25, 2015 at 2:53 PM, Garret Pick <pickgr@whistle.com> wrote:
>
>> Hi,
>>
>> On this page
>>
>>
>> http://www.datastax.com/documentation/cassandra/2.0/cassandra/install/installJnaRHEL.html
>>
>> it says
>>
>> "Cassandra requires JNA 3.2.7 or later. Some Yum repositories may provide
>> earlier versions"
>>
>> and at the bottom
>>
>> "If you can't install using Yum or it provides a version of the JNA
>> earlier than 3.2.7, install as described in Installing the JNA from the JAR
>> file."
>>
>> Which version of OS and Cassandra are you running?
>>
>> thanks,
>> Garret
>>
>>
>>
>>
>> On Wed, Feb 25, 2015 at 10:46 AM, J. Ryan Earl <oss@jryanearl.us> wrote:
>> >
>> > We've been using jna-3.2.4-2.el6.x86_64 with the Sun/Oracle JDK for
>> probably 2-years now, and it works just fine.  Where are you seeing 3.2.7
>> required at?  I searched the pages you link and that string isn't even in
>> there.
>> >
>> > Regardless, I assure you the newest jna that ships in the EL6 repo
>> works without issues.
>> >
>> > On Wed, Feb 25, 2015 at 2:12 PM, Garret Pick <pickgr@whistle.com>
>> wrote:
>> >>
>> >> Hello,
>> >>
>> >> I'm having problems getting cassandra to start with the configuration
>> listed above.
>> >>
>> >> Yum wants to install 3.2.4-2.el6 of the JNA along with several other
>> packages including java-1.7.0-openjdk
>> >>
>> >> The documentation states that a JNA version earlier that 3.2.7 should
>> not be used, so the jar file should be downloaded and installed directly
>> into C*'s lib directory per
>> >>
>> >>
>> http://www.datastax.com/documentation/cassandra/2.0/cassandra/install/installJnaTar.html
>> >>
>> >> From /var/log/cassandra/system.log
>> >>
>> >> all I see is
>> >>
>> >>  INFO [main] 2015-02-25 20:06:10,202 CassandraDaemon.java (line 191)
>> Classpath:
>> /etc/cassandra/conf:/usr/share/cassandra/lib/antlr-3.2.jar:/usr/share/cassandra/lib/apache-cassandra-2.0.12.jar:/usr/share/cassandra/lib/apache-cassandra-clientutil-2.0.12.jar:/usr/share/cassandra/lib/apache-cassandra-thrift-2.0.12.jar:/usr/share/cassandra/lib/commons-cli-1.1.jar:/usr/share/cassandra/lib/commons-codec-1.2.jar:/usr/share/cassandra/lib/commons-lang3-3.1.jar:/usr/share/cassandra/lib/compress-lzf-0.8.4.jar:/usr/share/cassandra/lib/concurrentlinkedhashmap-lru-1.3.jar:/usr/share/cassandra/lib/disruptor-3.0.1.jar:/usr/share/cassandra/lib/guava-15.0.jar:/usr/share/cassandra/lib/high-scale-lib-1.1.2.jar:/usr/share/cassandra/lib/jackson-core-asl-1.9.2.jar:/usr/share/cassandra/lib/jackson-mapper-asl-1.9.2.jar:/usr/share/cassandra/lib/jamm-0.2.5.jar:/usr/share/cassandra/lib/jbcrypt-0.3m.jar:/usr/share/cassandra/lib/jline-1.0.jar:/usr/share/cassandra/lib/jna.jar:/usr/share/cassandra/lib/json-simple-1.1.jar:/usr/share/cassandra/lib/libthrift-0.9.1.jar:/usr/share/cassandra/lib/log4j-1.2.16.jar:/usr/share/cassandra/lib/lz4-1.2.0.jar:/usr/share/cassandra/lib/metrics-core-2.2.0.jar:/usr/share/cassandra/lib/netty-3.6.6.Final.jar:/usr/share/cassandra/lib/reporter-config-2.1.0.jar:/usr/share/cassandra/lib/servlet-api-2.5-20081211.jar:/usr/share/cassandra/lib/slf4j-api-1.7.2.jar:/usr/share/cassandra/lib/slf4j-log4j12-1.7.2.jar:/usr/share/cassandra/lib/snakeyaml-1.11.jar:/usr/share/cassandra/lib/snappy-java-1.0.5.jar:/usr/share/cassandra/lib/snaptree-0.1.jar:/usr/share/cassandra/lib/stress.jar:/usr/share/cassandra/lib/super-csv-2.1.0.jar:/usr/share/cassandra/lib/thrift-server-0.3.7.jar:/usr/share/cassandra/lib/jamm-0.2.5.jar
>> >>
>> >> and it never actually starts
>> >>
>> >> Note that JNA is in the classpath above and is when I remove it,
>> cassandra starts successfully.
>> >>
>> >> I tried installing the DSE package and it looks like it wants to
>> install the older 3.2.4 JNA as a dependency so there seems to be a
>> discrepancy in documentation
>> >>
>> >> Per
>> >>
>> >>
>> http://www.datastax.com/documentation/datastax_enterprise/4.6/datastax_enterprise/install/installRHELdse.html
>> >>
>> >> Note: JNA (Java Native Access) is automatically installed.
>> >>
>> >> thanks for any help,
>> >> Garret
>> >
>> >
>>
>
>

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