hi, put all mahou jars under hadoop_home/lib, then restart cluster. On Jul 11, 2013 8:45 PM, "Margusja" <mar...@roo.ee> wrote:
> Hi > > I have tow nodes: > n1 (master, salve) and n2 (slave) > > after set up I ran wordcount example and it worked fine: > [hduser@n1 ~]$ hadoop jar /usr/local/hadoop/hadoop-**examples-1.0.4.jar > wordcount /user/hduser/gutenberg /user/hduser/gutenberg-output > 13/07/11 15:30:44 INFO input.FileInputFormat: Total input paths to process > : 7 > 13/07/11 15:30:44 INFO util.NativeCodeLoader: Loaded the native-hadoop > library > 13/07/11 15:30:44 WARN snappy.LoadSnappy: Snappy native library not loaded > 13/07/11 15:30:44 INFO mapred.JobClient: Running job: job_201307111355_0015 > 13/07/11 15:30:45 INFO mapred.JobClient: map 0% reduce 0% > 13/07/11 15:31:03 INFO mapred.JobClient: map 42% reduce 0% > 13/07/11 15:31:06 INFO mapred.JobClient: map 57% reduce 0% > 13/07/11 15:31:09 INFO mapred.JobClient: map 71% reduce 0% > 13/07/11 15:31:15 INFO mapred.JobClient: map 100% reduce 0% > 13/07/11 15:31:18 INFO mapred.JobClient: map 100% reduce 23% > 13/07/11 15:31:27 INFO mapred.JobClient: map 100% reduce 100% > 13/07/11 15:31:32 INFO mapred.JobClient: Job complete: > job_201307111355_0015 > 13/07/11 15:31:32 INFO mapred.JobClient: Counters: 30 > 13/07/11 15:31:32 INFO mapred.JobClient: Job Counters > 13/07/11 15:31:32 INFO mapred.JobClient: Launched reduce tasks=1 > 13/07/11 15:31:32 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=67576 > 13/07/11 15:31:32 INFO mapred.JobClient: Total time spent by all > reduces waiting after reserving slots (ms)=0 > 13/07/11 15:31:32 INFO mapred.JobClient: Total time spent by all maps > waiting after reserving slots (ms)=0 > 13/07/11 15:31:32 INFO mapred.JobClient: Rack-local map tasks=3 > 13/07/11 15:31:32 INFO mapred.JobClient: Launched map tasks=7 > 13/07/11 15:31:32 INFO mapred.JobClient: Data-local map tasks=4 > 13/07/11 15:31:32 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=21992 > 13/07/11 15:31:32 INFO mapred.JobClient: File Output Format Counters > 13/07/11 15:31:32 INFO mapred.JobClient: Bytes Written=1412505 > 13/07/11 15:31:32 INFO mapred.JobClient: FileSystemCounters > 13/07/11 15:31:32 INFO mapred.JobClient: FILE_BYTES_READ=5414195 > 13/07/11 15:31:32 INFO mapred.JobClient: HDFS_BYTES_READ=6950820 > 13/07/11 15:31:32 INFO mapred.JobClient: FILE_BYTES_WRITTEN=8744993 > 13/07/11 15:31:32 INFO mapred.JobClient: HDFS_BYTES_WRITTEN=1412505 > 13/07/11 15:31:32 INFO mapred.JobClient: File Input Format Counters > 13/07/11 15:31:32 INFO mapred.JobClient: Bytes Read=6950001 > 13/07/11 15:31:32 INFO mapred.JobClient: Map-Reduce Framework > 13/07/11 15:31:32 INFO mapred.JobClient: Map output materialized > bytes=3157469 > 13/07/11 15:31:32 INFO mapred.JobClient: Map input records=137146 > 13/07/11 15:31:32 INFO mapred.JobClient: Reduce shuffle bytes=2904836 > 13/07/11 15:31:32 INFO mapred.JobClient: Spilled Records=594764 > 13/07/11 15:31:32 INFO mapred.JobClient: Map output bytes=11435849 > 13/07/11 15:31:32 INFO mapred.JobClient: Total committed heap usage > (bytes)=1128136704 > 13/07/11 15:31:32 INFO mapred.JobClient: CPU time spent (ms)=18230 > 13/07/11 15:31:32 INFO mapred.JobClient: Combine input records=1174991 > 13/07/11 15:31:32 INFO mapred.JobClient: SPLIT_RAW_BYTES=819 > 13/07/11 15:31:32 INFO mapred.JobClient: Reduce input records=218990 > 13/07/11 15:31:32 INFO mapred.JobClient: Reduce input groups=128513 > 13/07/11 15:31:32 INFO mapred.JobClient: Combine output records=218990 > 13/07/11 15:31:32 INFO mapred.JobClient: Physical memory (bytes) > snapshot=1179656192 > 13/07/11 15:31:32 INFO mapred.JobClient: Reduce output records=128513 > 13/07/11 15:31:32 INFO mapred.JobClient: Virtual memory (bytes) > snapshot=22992117760 > 13/07/11 15:31:32 INFO mapred.JobClient: Map output records=1174991 > > from web interface (http://n1:50030/) I saw that both (n1 and n2 ) were > used without any errors. > > Problems appear if I try to use following commands in master (n1): > > [hduser@n1 ~]$hadoop jar mahout-distribution-0.7/**mahout-examples-0.7-job.jar > org.apache.mahout.classifier.**df.mapreduce.BuildForest > -Dmapred.max.split.size=**1874231 -p -d testdata/bal_ee_2009.csv -ds > testdata/bal_ee_2009.csv.info -sl 10 -o bal_ee_2009_out -t 1 > > SLF4J: Class path contains multiple SLF4J bindings. > SLF4J: Found binding in [file:/usr/local/hadoop-1.0.4/**org/slf4j/impl/** > StaticLoggerBinder.class] > SLF4J: Found binding in [jar:file:/usr/local/hadoop-1.** > 0.4/lib/slf4j-log4j12-1.4.3.**jar!/org/slf4j/impl/** > StaticLoggerBinder.class] > SLF4J: See > http://www.slf4j.org/codes.**html#multiple_bindings<http://www.slf4j.org/codes.html#multiple_bindings>for > an explanation. > 13/07/11 15:36:50 INFO mapreduce.BuildForest: Partial Mapred implementation > 13/07/11 15:36:50 INFO mapreduce.BuildForest: Building the forest... > 13/07/11 15:36:50 WARN mapred.JobClient: No job jar file set. User > classes may not be found. See JobConf(Class) or JobConf#setJar(String). > 13/07/11 15:36:50 INFO input.FileInputFormat: Total input paths to process > : 1 > 13/07/11 15:36:50 INFO util.NativeCodeLoader: Loaded the native-hadoop > library > 13/07/11 15:36:50 WARN snappy.LoadSnappy: Snappy native library not loaded > 13/07/11 15:36:50 INFO mapred.JobClient: Running job: job_201307111355_0016 > 13/07/11 15:36:51 INFO mapred.JobClient: map 0% reduce 0% > 13/07/11 15:37:09 INFO mapred.JobClient: map 7% reduce 0% > 13/07/11 15:37:11 INFO mapred.JobClient: Task Id : > attempt_201307111355_0016_m_**000002_0, Status : FAILED > java.lang.RuntimeException: java.lang.**ClassNotFoundException: > org.apache.mahout.classifier.**df.mapreduce.partial.**Step1Mapper > at org.apache.hadoop.conf.**Configuration.getClass(** > Configuration.java:867) > at org.apache.hadoop.mapreduce.**JobContext.getMapperClass(** > JobContext.java:199) > at org.apache.hadoop.mapred.**MapTask.runNewMapper(MapTask.** > java:719) > at org.apache.hadoop.mapred.**MapTask.run(MapTask.java:370) > at org.apache.hadoop.mapred.**Child$4.run(Child.java:255) > at java.security.**AccessController.doPrivileged(**Native Method) > at javax.security.auth.Subject.**doAs(Subject.java:415) > at org.apache.hadoop.security.**UserGroupInformation.doAs(** > UserGroupInformation.java:**1121) > at org.apache.hadoop.mapred.**Child.main(Child.java:249) > Caused by: java.lang.**ClassNotFoundException: > org.apache.mahout.classifier.**df.mapreduce.partial.**Step1Mapper > at java.net.URLClassLoader$1.run(**URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(**URLClassLoader.java:355) > at java.security.**AccessController.doPrivileged(**Native Method) > at java.net.URLClassLoader.**findClass(URLClassLoader.java:**354) > at java.lang.ClassLoader.**loadClass(ClassLoader.java:**424) > at sun.misc.Launcher$**AppClassLoader.loadClass(** > Launcher.java:308) > at java.lang.ClassLoader.**loadClass(ClassLoader.java:**357) > at java.lang.Class.forName0(**Native Method) > at java.lang.Class.forName(Class.**java:270) > at org.apache.hadoop.conf.**Configuration.getClassByName(** > Configuration.java:820) > at org.apache.hadoop.conf.**Configuration.getClass(** > Configuration.java:865) > ... 8 more > > ... > ... > ... > > 13/07/11 15:37:37 INFO mapred.JobClient: map 61% reduce 0% > 13/07/11 15:37:46 INFO mapred.JobClient: map 76% reduce 0% > 13/07/11 15:37:55 INFO mapred.JobClient: map 92% reduce 0% > 13/07/11 15:38:01 INFO mapred.JobClient: map 100% reduce 0% > 13/07/11 15:38:06 INFO mapred.JobClient: Job complete: > job_201307111355_0016 > 13/07/11 15:38:06 INFO mapred.JobClient: Counters: 20 > 13/07/11 15:38:06 INFO mapred.JobClient: Job Counters > 13/07/11 15:38:06 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=184724 > 13/07/11 15:38:06 INFO mapred.JobClient: Total time spent by all > reduces waiting after reserving slots (ms)=0 > 13/07/11 15:38:06 INFO mapred.JobClient: Total time spent by all maps > waiting after reserving slots (ms)=0 > 13/07/11 15:38:06 INFO mapred.JobClient: Rack-local map tasks=13 > 13/07/11 15:38:06 INFO mapred.JobClient: Launched map tasks=22 > 13/07/11 15:38:06 INFO mapred.JobClient: Data-local map tasks=9 > 13/07/11 15:38:06 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=0 > 13/07/11 15:38:06 INFO mapred.JobClient: File Output Format Counters > 13/07/11 15:38:06 INFO mapred.JobClient: Bytes Written=184520 > 13/07/11 15:38:06 INFO mapred.JobClient: FileSystemCounters > 13/07/11 15:38:06 INFO mapred.JobClient: HDFS_BYTES_READ=23444612 > 13/07/11 15:38:06 INFO mapred.JobClient: FILE_BYTES_WRITTEN=294037 > 13/07/11 15:38:06 INFO mapred.JobClient: HDFS_BYTES_WRITTEN=184520 > 13/07/11 15:38:06 INFO mapred.JobClient: File Input Format Counters > 13/07/11 15:38:06 INFO mapred.JobClient: Bytes Read=22952913 > 13/07/11 15:38:06 INFO mapred.JobClient: Map-Reduce Framework > 13/07/11 15:38:06 INFO mapred.JobClient: Map input records=204091 > 13/07/11 15:38:06 INFO mapred.JobClient: Physical memory (bytes) > snapshot=1402363904 > 13/07/11 15:38:06 INFO mapred.JobClient: Spilled Records=0 > 13/07/11 15:38:06 INFO mapred.JobClient: CPU time spent (ms)=26640 > 13/07/11 15:38:06 INFO mapred.JobClient: Total committed heap usage > (bytes)=1333985280 > 13/07/11 15:38:06 INFO mapred.JobClient: Virtual memory (bytes) > snapshot=37349126144 > 13/07/11 15:38:06 INFO mapred.JobClient: Map output records=1 > 13/07/11 15:38:06 INFO mapred.JobClient: SPLIT_RAW_BYTES=1573 > 13/07/11 15:38:07 INFO common.HadoopUtil: Deleting > hdfs://master:54310/user/**hduser/bal_ee_2009_out > 13/07/11 15:38:07 INFO mapreduce.BuildForest: Build Time: 0h 1m 16s 977 > 13/07/11 15:38:07 INFO mapreduce.BuildForest: Forest num Nodes: 10700 > 13/07/11 15:38:07 INFO mapreduce.BuildForest: Forest mean num Nodes: 10700 > 13/07/11 15:38:07 INFO mapreduce.BuildForest: Forest mean max Depth: 17 > 13/07/11 15:38:07 INFO mapreduce.BuildForest: Storing the forest in: > bal_ee_2009_out/forest.seq > > From web console I can see that n1 tasks are fine but n2 tasks failed: > > java.lang.RuntimeException: java.lang.**ClassNotFoundException: > org.apache.mahout.classifier.**df.mapreduce.partial.**Step1Mapper > at org.apache.hadoop.conf.**Configuration.getClass(** > Configuration.java:867) > at org.apache.hadoop.mapreduce.**JobContext.getMapperClass(** > JobContext.java:199) > at org.apache.hadoop.mapred.**MapTask.runNewMapper(MapTask.** > java:719) > at org.apache.hadoop.mapred.**MapTask.run(MapTask.java:370) > at org.apache.hadoop.mapred.**Child$4.run(Child.java:255) > at java.security.**AccessController.doPrivileged(**Native Method) > at javax.security.auth.Subject.**doAs(Subject.java:415) > at org.apache.hadoop.security.**UserGroupInformation.doAs(** > UserGroupInformation.java:**1121) > at org.apache.hadoop.mapred.**Child.main(Child.java:249) > Caused by: java.lang.**ClassNotFoundException: > org.apache.mahout.classifier.**df.mapreduce.partial.**Step1Mapper > at java.net.URLClassLoader$1.run(**URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(**URLClassLoader.java:355) > at java.security.**AccessController.doPrivileged(**Native Method) > at java.net.URLClassLoader.**findClass(URLClassLoader.java:**354) > at java.lang.ClassLoader.**loadClass(ClassLoader.java:**424) > at sun.misc.Launcher$**AppClassLoader.loadClass(** > Launcher.java:308) > at java.lang.ClassLoader.**loadClass(ClassLoader.java:**357) > at java.lang.Class.forName0(**Native Method) > at java.lang.Class.forName(Class.**java:270) > at org.apache.hadoop.conf.**Configuration.getClassByName(** > Configuration.java:820) > at org.apache.hadoop.conf.**Configuration.getClass(** > Configuration.java:865) > ... 8 more > > > But If I run same command from n2 > [hduser@n2 ~]$ hadoop jar > mahout-distribution-0.7/**mahout-examples-0.7-job.jar > org.apache.mahout.classifier.**df.mapreduce.BuildForest > -Dmapred.max.split.size=**1874231 -p -d testdata/bal_ee_2009.csv -ds > testdata/bal_ee_2009.csv.info -sl 10 -o bal_ee_2009_out -t 1 > > 13/07/11 15:41:20 INFO mapreduce.BuildForest: Partial Mapred implementation > 13/07/11 15:41:20 INFO mapreduce.BuildForest: Building the forest... > 13/07/11 15:41:21 INFO input.FileInputFormat: Total input paths to process > : 1 > 13/07/11 15:41:21 INFO util.NativeCodeLoader: Loaded the native-hadoop > library > 13/07/11 15:41:21 WARN snappy.LoadSnappy: Snappy native library not loaded > 13/07/11 15:41:21 INFO mapred.JobClient: Running job: job_201307111355_0017 > 13/07/11 15:41:22 INFO mapred.JobClient: map 0% reduce 0% > 13/07/11 15:41:43 INFO mapred.JobClient: map 7% reduce 0% > 13/07/11 15:41:46 INFO mapred.JobClient: map 15% reduce 0% > 13/07/11 15:41:49 INFO mapred.JobClient: map 38% reduce 0% > 13/07/11 15:41:52 INFO mapred.JobClient: map 46% reduce 0% > 13/07/11 15:42:01 INFO mapred.JobClient: map 61% reduce 0% > 13/07/11 15:42:02 INFO mapred.JobClient: map 76% reduce 0% > 13/07/11 15:42:09 INFO mapred.JobClient: map 84% reduce 0% > 13/07/11 15:42:13 INFO mapred.JobClient: map 100% reduce 0% > 13/07/11 15:42:19 INFO mapred.JobClient: Job complete: > job_201307111355_0017 > 13/07/11 15:42:19 INFO mapred.JobClient: Counters: 20 > 13/07/11 15:42:19 INFO mapred.JobClient: Job Counters > 13/07/11 15:42:19 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=138911 > 13/07/11 15:42:19 INFO mapred.JobClient: Total time spent by all > reduces waiting after reserving slots (ms)=0 > 13/07/11 15:42:19 INFO mapred.JobClient: Total time spent by all maps > waiting after reserving slots (ms)=0 > 13/07/11 15:42:19 INFO mapred.JobClient: Rack-local map tasks=6 > 13/07/11 15:42:19 INFO mapred.JobClient: Launched map tasks=13 > 13/07/11 15:42:19 INFO mapred.JobClient: Data-local map tasks=7 > 13/07/11 15:42:19 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=0 > 13/07/11 15:42:19 INFO mapred.JobClient: File Output Format Counters > 13/07/11 15:42:19 INFO mapred.JobClient: Bytes Written=184956 > 13/07/11 15:42:19 INFO mapred.JobClient: FileSystemCounters > 13/07/11 15:42:19 INFO mapred.JobClient: HDFS_BYTES_READ=23444612 > 13/07/11 15:42:19 INFO mapred.JobClient: FILE_BYTES_WRITTEN=296026 > 13/07/11 15:42:19 INFO mapred.JobClient: HDFS_BYTES_WRITTEN=184956 > 13/07/11 15:42:19 INFO mapred.JobClient: File Input Format Counters > 13/07/11 15:42:19 INFO mapred.JobClient: Bytes Read=22952913 > 13/07/11 15:42:19 INFO mapred.JobClient: Map-Reduce Framework > 13/07/11 15:42:19 INFO mapred.JobClient: Map input records=204091 > 13/07/11 15:42:19 INFO mapred.JobClient: Physical memory (bytes) > snapshot=1370255360 > 13/07/11 15:42:19 INFO mapred.JobClient: Spilled Records=0 > 13/07/11 15:42:19 INFO mapred.JobClient: CPU time spent (ms)=27990 > 13/07/11 15:42:19 INFO mapred.JobClient: Total committed heap usage > (bytes)=1292500992 > 13/07/11 15:42:19 INFO mapred.JobClient: Virtual memory (bytes) > snapshot=37360082944 > 13/07/11 15:42:19 INFO mapred.JobClient: Map output records=1 > 13/07/11 15:42:19 INFO mapred.JobClient: SPLIT_RAW_BYTES=1573 > 13/07/11 15:42:20 INFO common.HadoopUtil: Deleting > hdfs://master:54310/user/**hduser/bal_ee_2009_out > 13/07/11 15:42:20 INFO mapreduce.BuildForest: Build Time: 0h 0m 59s 386 > 13/07/11 15:42:20 INFO mapreduce.BuildForest: Forest num Nodes: 10698 > 13/07/11 15:42:20 INFO mapreduce.BuildForest: Forest mean num Nodes: 10698 > 13/07/11 15:42:20 INFO mapreduce.BuildForest: Forest mean max Depth: 16 > 13/07/11 15:42:20 INFO mapreduce.BuildForest: Storing the forest in: > bal_ee_2009_out/forest.seq > > Both (n1 and n2) are used and from web console I can see that there are no > errors. > > Is there any explanations why I am getting errors when I run command from > master? > > > -- > Regards, Margus (Margusja) Roo > +372 51 48 780 > http://margus.roo.ee > skype: margusja > -----BEGIN PUBLIC KEY----- > MIGfMA0GCSqGSIb3DQEBAQUAA4GNAD**CBiQKBgQCvbeg7LwEC2SCpAEewwpC3**ajxE > 5ZsRMCB77L8bae9G7TslgLkoIzo9yO**jPdx2NN6DllKbV65UjTay43uUDyql9**g3tl > RhiJIcoAExkSTykWqAIPR88LfilLy1**JlQ+0RD8OXiWOVVQfhOHpQ0R/**jcAkM2lZa > BjM8j36yJvoBVsfOHQIDAQAB > -----END PUBLIC KEY----- > >
