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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: java.lang.NoClassDefFoundError: org/xerial/snappy/SnappyInputStream
Date Thu, 23 Feb 2012 10:46:50 GMT
Hmm, the snappy-0.2.jar is already in lib folder.

edward@slave:~/workspace/hama-trunk$ ls lib/
ant-1.7.1.jar           commons-configuration-1.6.jar
hadoop-test-1.0.0.jar         jetty-util-6.1.14.jar
netty-3.2.6.Final.jar    zookeeper-3.3.3.jar
ant-launcher-1.7.1.jar  commons-lang-2.6.jar
jackson-core-asl-1.9.2.jar    jsp-2.1-6.1.14.jar
servlet-api-6.0.32.jar
avro-1.6.0.jar          commons-logging-1.1.1.jar
jackson-mapper-asl-1.9.2.jar  jsp-api-2.1-6.1.14.jar
slf4j-api-1.5.8.jar
avro-ipc-1.6.0.jar      guava-10.0.1.jar
jetty-6.1.14.jar              junit-4.8.1.jar
slf4j-log4j12-1.5.8.jar
commons-cli-1.2.jar     hadoop-core-1.0.0.jar
jetty-annotations-6.1.14.jar  log4j-1.2.16.jar        snappy-0.2.jar


On Thu, Feb 23, 2012 at 4:51 PM, Thomas Jungblut
<thomas.jungblut@googlemail.com> wrote:
> You have to update your jars, Snappy is a new dependency for compression.
>
> 2012/2/23 Edward J. Yoon <edwardyoon@apache.org>
>
>> I received below error message with pi example.
>>
>> 12/02/23 15:26:16 DEBUG sync.ZooKeeperSyncClientImpl: leaveBarrier()
>> at superstep:-1 znode size: (0) znodes:[]
>> 12/02/23 15:26:16 WARN bsp.GroomServer: Error running child
>> java.lang.NoClassDefFoundError: org/xerial/snappy/SnappyInputStream
>>        at java.lang.Class.forName0(Native Method)
>>        at java.lang.Class.forName(Class.java:247)
>>        at
>> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:819)
>>        at
>> org.apache.hama.bsp.message.compress.BSPMessageCompressorFactory.getCompressor(BSPMessageCompressorFactory.java:37)
>>        at
>> org.apache.hama.bsp.message.CompressableMessageManager.initCompression(CompressableMessageManager.java:36)
>>        at
>> org.apache.hama.bsp.message.AvroMessageManagerImpl.init(AvroMessageManagerImpl.java:60)
>>        at org.apache.hama.bsp.BSPPeerImpl.<init>(BSPPeerImpl.java:145)
>>        at
>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:969)
>> Caused by: java.lang.ClassNotFoundException:
>> org.xerial.snappy.SnappyInputStream
>>        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>>        at java.security.AccessController.doPrivileged(Native Method)
>>        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>>        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>>        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>>        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>>
>>
>> --
>> Best Regards, Edward J. Yoon
>> @eddieyoon
>>
>
>
>
> --
> Thomas Jungblut
> Berlin <thomas.jungblut@gmail.com>



-- 
Best Regards, Edward J. Yoon
@eddieyoon

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