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 <[email protected]> > 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 > <[email protected]> wrote: > > You have to update your jars, Snappy is a new dependency for compression. > > > > 2012/2/23 Edward J. Yoon <[email protected]> > > > >> 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 <[email protected]> > > > > -- > Best Regards, Edward J. Yoon > @eddieyoon > -- Thomas Jungblut Berlin <[email protected]>
