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From Thomas Jungblut <thomas.jungb...@googlemail.com>
Subject Re: java.lang.NoClassDefFoundError: org/xerial/snappy/SnappyInputStream
Date Thu, 23 Feb 2012 10:54:09 GMT
Wait a minute, I guess this is the wrong library.

My intention was to use the  https://github.com/dain/snappy lib, since it
is faster than the JNI port.
I investigate it after launch.

2012/2/23 Edward J. Yoon <edwardyoon@apache.org>

> 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
>



-- 
Thomas Jungblut
Berlin <thomas.jungblut@gmail.com>

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