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From air <cnwe...@gmail.com>
Subject Re: this is a bug of mahout 0.5 ?
Date Fri, 05 Aug 2011 11:52:17 GMT
hi, Sean, for 0.4 and 0.5, I use the same settings ,in fact no settings, I
just download them and unpack them, and then use them to do some test...

anyone meet this kind of problem ? thank you .


2011/8/5 Sean Owen <srowen@gmail.com>

> I think you have changed your classpath to use 0.5, and in your new
> classpath, you are not including all the jars. You probably need core,
> math,
> and collections at minimum.
>
> On Fri, Aug 5, 2011 at 12:40 PM, air <cnweike@gmail.com> wrote:
>
> > when I use mahout 0.4 to execute on a hadoop cluster:
> > *
> > ./mahout org.apache.mahout.clustering.syntheticcontrol.canopy.Job --input
> > /mahout/input  --output /mahout/output13 -t1 80.0 -t2 50.0*
> >
> > it works very well......
> >
> > but when I use mahout 0.5 to execute *the same command(if omitting the
> > output directory...):*
> >
> > *./mahout org.apache.mahout.clustering.syntheticcontrol.canopy.Job
> --input
> > /mahout/input  --output /mahout/output14 -t1 80.0 -t2 50.0*
> >
> > it reports CLASSNOTFOUND exception, what cause this happen, how to solve
> it
> > ... I am really confused....:
> >
> >
> > [root@x06 bin]# ./mahout
> > org.apache.mahout.clustering.syntheticcontrol.canopy.Job --input
> > /mahout/input  --output /mahout/output15 -t1 80.0 -t2 50.0
> > Running on hadoop, using HADOOP_HOME=/usr/lib/hadoop
> > No HADOOP_CONF_DIR set, using /usr/lib/hadoop/src/conf
> > 11/08/05 19:36:43 WARN driver.MahoutDriver: No
> > org.apache.mahout.clustering.syntheticcontrol.canopy.Job.props found on
> > classpath, will use command-line arguments only
> > 11/08/05 19:36:43 INFO canopy.Job: Running with only user-supplied
> > arguments
> > 11/08/05 19:36:43 INFO common.AbstractJob: Command line arguments:
> >
> >
> {--distanceMeasure=org.apache.mahout.common.distance.SquaredEuclideanDistanceMeasure,
> > --endPhase=2147483647, --input=/mahout/input, --output=/mahout/output15,
> > --startPhase=0, --t1=80.0, --t2=50.0, --tempDir=temp}
> > 11/08/05 19:37:09 WARN mapred.JobClient: Use GenericOptionsParser for
> > parsing the arguments. Applications should implement Tool for the same.
> > 11/08/05 19:37:43 INFO input.FileInputFormat: Total input paths to
> process
> > :
> > 1
> > 11/08/05 19:37:43 INFO lzo.GPLNativeCodeLoader: Loaded native gpl library
> > 11/08/05 19:37:43 INFO lzo.LzoCodec: Successfully loaded & initialized
> > native-lzo library [hadoop-lzo rev
> > 2991c7d00d4b50494958eb1c8e7ef086d24853ea]
> > 11/08/05 19:37:54 INFO mapred.JobClient: Running job:
> job_201108041755_7040
> > 11/08/05 19:37:55 INFO mapred.JobClient:  map 0% reduce 0%
> > 11/08/05 19:38:19 INFO mapred.JobClient:  map 100% reduce 0%
> > 11/08/05 19:38:21 INFO mapred.JobClient: Job complete:
> > job_201108041755_7040
> > 11/08/05 19:38:21 INFO mapred.JobClient: Counters: 13
> > 11/08/05 19:38:21 INFO mapred.JobClient:   Job Counters
> > 11/08/05 19:38:21 INFO mapred.JobClient:     SLOTS_MILLIS_MAPS=4911
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Total time spent by all
> > reduces
> > waiting after reserving slots (ms)=0
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Total time spent by all maps
> > waiting after reserving slots (ms)=0
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Launched map tasks=1
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Data-local map tasks=1
> > 11/08/05 19:38:21 INFO mapred.JobClient:     SLOTS_MILLIS_REDUCES=4017
> > 11/08/05 19:38:21 INFO mapred.JobClient:   FileSystemCounters
> > 11/08/05 19:38:21 INFO mapred.JobClient:     HDFS_BYTES_READ=288490
> > 11/08/05 19:38:21 INFO mapred.JobClient:     FILE_BYTES_WRITTEN=49166
> > 11/08/05 19:38:21 INFO mapred.JobClient:     HDFS_BYTES_WRITTEN=335470
> > 11/08/05 19:38:21 INFO mapred.JobClient:   Map-Reduce Framework
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Map input records=600
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Spilled Records=0
> > 11/08/05 19:38:21 INFO mapred.JobClient:     Map output records=600
> > 11/08/05 19:38:21 INFO mapred.JobClient:     SPLIT_RAW_BYTES=116
> > 11/08/05 19:38:21 INFO canopy.CanopyDriver: Build Clusters Input:
> > /mahout/output15/data Out: /mahout/output15 Measure:
> >
> >
> org.apache.mahout.common.distance.SquaredEuclideanDistanceMeasure@4dc1c92bt1
> > :
> > 80.0 t2: 50.0
> > 11/08/05 19:38:21 WARN mapred.JobClient: Use GenericOptionsParser for
> > parsing the arguments. Applications should implement Tool for the same.
> > 11/08/05 19:38:26 INFO input.FileInputFormat: Total input paths to
> process
> > :
> > 1
> > 11/08/05 19:38:31 INFO mapred.JobClient: Running job:
> job_201108041755_7056
> > 11/08/05 19:38:32 INFO mapred.JobClient:  map 0% reduce 0%
> > 11/08/05 19:38:46 INFO mapred.JobClient: Task Id :
> > attempt_201108041755_7056_m_000000_0, Status : FAILED
> > Error: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector
> >        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)
> >        at java.lang.Class.forName0(Native Method)
> >        at java.lang.Class.forName(Class.java:247)
> >        at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:943)
> >        at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:994)
> >        at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1020)
> >        at
> > org.apache.hadoop.mapred.JobConf.getMapOutputValueClass(JobConf.java:747)
> >        at
> > org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:819)
> >        at
> >
> >
> org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:557)
> >        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:639)
> >        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323)
> >        at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
> >        at java.security.AccessController.doPrivileged(Native Method)
> >        at javax.security.auth.Subject.doAs(Subject.java:396)
> >        at
> >
> >
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1127)
> >        at org.apache.hadoop.mapred.Child.main(Child.java:264)
> >
> > 11/08/05 19:38:52 INFO mapred.JobClient: Task Id :
> > attempt_201108041755_7056_m_000000_1, Status : FAILED
> > Error: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector
> >        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)
> >        at java.lang.Class.forName0(Native Method)
> >        at java.lang.Class.forName(Class.java:247)
> >        at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:943)
> >        at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:994)
> >        at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1020)
> >        at
> > org.apache.hadoop.mapred.JobConf.getMapOutputValueClass(JobConf.java:747)
> >        at
> > org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:819)
> >        at
> >
> >
> org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:557)
> >        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:639)
> >        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323)
> >        at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
> >        at java.security.AccessController.doPrivileged(Native Method)
> >        at javax.security.auth.Subject.doAs(Subject.java:396)
> >        at
> >
> >
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1127)
> >        at org.apache.hadoop.mapred.Child.main(Child.java:264)
> >
> > 11/08/05 19:39:00 INFO mapred.JobClient: Task Id :
> > attempt_201108041755_7056_m_000000_2, Status : FAILED
> > 11/08/05 19:39:12 INFO mapred.JobClient: Job complete:
> > job_201108041755_7056
> > 11/08/05 19:39:12 INFO mapred.JobClient: Counters: 8
> > 11/08/05 19:39:12 INFO mapred.JobClient:   Job Counters
> > 11/08/05 19:39:12 INFO mapred.JobClient:     SLOTS_MILLIS_MAPS=7530
> > 11/08/05 19:39:12 INFO mapred.JobClient:     Total time spent by all
> > reduces
> > waiting after reserving slots (ms)=0
> > 11/08/05 19:39:12 INFO mapred.JobClient:     Total time spent by all maps
> > waiting after reserving slots (ms)=0
> > 11/08/05 19:39:12 INFO mapred.JobClient:     Rack-local map tasks=3
> > 11/08/05 19:39:12 INFO mapred.JobClient:     Launched map tasks=4
> > 11/08/05 19:39:12 INFO mapred.JobClient:     Data-local map tasks=1
> > 11/08/05 19:39:12 INFO mapred.JobClient:     Failed map tasks=1
> > 11/08/05 19:39:12 INFO mapred.JobClient:     SLOTS_MILLIS_REDUCES=2464
> > Exception in thread "main" java.lang.InterruptedException: Canopy Job
> > failed
> > processing /mahout/output15/data
> >        at
> >
> >
> org.apache.mahout.clustering.canopy.CanopyDriver.buildClustersMR(CanopyDriver.java:355)
> >        at
> >
> >
> org.apache.mahout.clustering.canopy.CanopyDriver.buildClusters(CanopyDriver.java:246)
> >        at
> >
> org.apache.mahout.clustering.canopy.CanopyDriver.run(CanopyDriver.java:143)
> >        at
> >
> org.apache.mahout.clustering.canopy.CanopyDriver.run(CanopyDriver.java:161)
> >        at
> > org.apache.mahout.clustering.syntheticcontrol.canopy.Job.run(Job.java:92)
> >        at
> >
> org.apache.mahout.clustering.syntheticcontrol.canopy.Job.run(Job.java:127)
> >        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> >        at
> >
> org.apache.mahout.clustering.syntheticcontrol.canopy.Job.main(Job.java:49)
> >        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >        at
> >
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> >        at
> >
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> >
> >
> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
> >        at
> > org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
> >        at
> org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:187)
> >        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >        at
> >
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> >        at
> >
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at org.apache.hadoop.util.RunJar.main(RunJar.java:186)
> > [root@x06 bin]#
> > --
> > Knowledge Mangement .
> >
>



-- 
Knowledge Mangement .

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