A NullPointerException occurred in my system (Pseudo-distributed operation),
too.
I will try standalone mode.
Thank you for an answer.
--
kyungho jeon
On Mon, Sep 8, 2008 at 4:40 PM, Edward J. Yoon <[EMAIL PROTECTED]>wrote:
> Are you ready to run the Hama on the Hadoop + Hbase cluster? Then,
> This is quick guide for you :
>
> 1. [hama-trunk]# ant clean package
> Then, You should add hama-x.x.x.jar to the $HADOOP_HOME/lib and
> copy these changes across your cluster.
>
> 2. [hama-trunk]# cp ./build/hama-0.1.0-dev.jar {HADOOP_HOME}/lib
> You also need to restart your hadoop cluster.
>
> 3. [hama-trunk]# cp ./build/hama-0.1.0-dev-examples.jar {HADOOP_HOME}
> 4. [hadoop-0.17.1]# ./bin/hadoop jar hama-0.1.0-dev-examples.jar addition 2
> 2
> ...
>
> BTW, It seems work just fine on Eclipse (local mode), but I recieved
> an NullPointerException when I run it on 2-node cluster. I'll fix it.
>
> Thanks, Edward
>
> On Mon, Sep 8, 2008 at 1:27 PM, Kyungho Jeon <[EMAIL PROTECTED]>
> wrote:
> > I installed hadoop, hbase, and hama in pseudo-distributed operation mode,
> >
> > but I can not run the example code. How can I fix it?
> >
> > (Sorry for the messy logs...)
> >
> > They are installed on following directories:
> >
> > /home/khjeon/mapred/hadoop
> > /home/khjeon/mapred/hbase
> > /home/khjeon/mapred/hama-trunk
> >
> > In addition, my hadoop-env.sh file contains following lines
> > export HBASE_HOME=/home/khjeon/mapred/hbase
> > export HAMA_HOME=/home/khjeon/mapred/hama-trunk
> >
> > export
> >
> HADOOP_CLASSPATH=${HBASE_HOME}:${HBASE_HOME}/hbase-0.2.0.jar:${HBASE_HOME}/conf
> > export
> >
> HADOOP_CLASSPATH=${HADOOP_CLASSPATH}:${HAMA_HOME}:${HAMA_HOME}/build:${HAMA_HOME}/build/hama-0.1.0-dev.jar:${HAMA_HOME}/conf
> >
> > I got errors like these:
> >
> > ../hadoop/bin/hadoop jar build/hama-0.1.0-dev-examples.jar addition 3 3
> >
> > 08/09/08 13:05:52 WARN fs.FileSystem: "localhost:9000" is a deprecated
> > filesystem name. Use "hdfs://localhost:9000/" instead.
> > 08/09/08 13:05:53 INFO hama.AbstractMatrix: Initializing the matrix
> storage.
> > 08/09/08 13:06:03 INFO hama.AbstractMatrix: Create the 3 * 3 random
> matrix :
> > randjowrz
> > 08/09/08 13:06:03 INFO hama.AbstractMatrix: Initializing the matrix
> storage.
> > 08/09/08 13:06:13 INFO hama.AbstractMatrix: Create the 3 * 3 random
> matrix :
> > randswrhz
> > 08/09/08 13:06:13 INFO hama.AbstractMatrix: Initializing the matrix
> storage.
> > 08/09/08 13:06:23 WARN fs.FileSystem: "localhost:9000" is a deprecated
> > filesystem name. Use "hdfs://localhost:9000/" instead.
> > 08/09/08 13:06:23 WARN mapred.JobClient: No job jar file set. User
> classes
> > may not be found. See JobConf(Class) or JobConf#setJar(String).
> > 08/09/08 13:06:23 INFO mapred.JobClient: Running job:
> job_200809081230_0008
> > 08/09/08 13:06:24 INFO mapred.JobClient: map 0% reduce 0%
> > 08/09/08 13:06:29 INFO mapred.JobClient: Task Id :
> > task_200809081230_0008_m_000000_0, Status : FAILED
> > java.lang.RuntimeException: java.lang.RuntimeException:
> > java.lang.ClassNotFoundException: org.apache.hama.DenseVector
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:633)
> > at
> > org.apache.hadoop.mapred.JobConf.getMapOutputValueClass(JobConf.java:552)
> > at
> > org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:369)
> > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:185)
> > at
> > org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)
> > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> > org.apache.hama.DenseVector
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:601)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:625)
> > ... 4 more
> > Caused by: java.lang.ClassNotFoundException: org.apache.hama.DenseVector
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > at java.lang.Class.forName0(Native Method)
> > at java.lang.Class.forName(Class.java:242)
> > at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:581)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:599)
> > ... 5 more
> >
> > 08/09/08 13:06:33 INFO mapred.JobClient: Task Id :
> > task_200809081230_0008_r_000000_0, Status : FAILED
> > java.lang.RuntimeException: java.lang.RuntimeException:
> > java.lang.ClassNotFoundException: org.apache.hama.algebra.AdditionReduce
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:633)
> > at
> > org.apache.hadoop.mapred.JobConf.getReducerClass(JobConf.java:747)
> > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
> > at
> > org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)
> > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> > org.apache.hama.algebra.AdditionReduce
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:601)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:625)
> > ... 3 more
> > Caused by: java.lang.ClassNotFoundException:
> > org.apache.hama.algebra.AdditionReduce
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > at java.lang.Class.forName0(Native Method)
> > at java.lang.Class.forName(Class.java:242)
> > at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:581)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:599)
> > ... 4 more
> >
> > 08/09/08 13:06:34 INFO mapred.JobClient: Task Id :
> > task_200809081230_0008_m_000000_1, Status : FAILED
> > java.lang.RuntimeException: java.lang.RuntimeException:
> > java.lang.ClassNotFoundException: org.apache.hama.DenseVector
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:633)
> > at
> > org.apache.hadoop.mapred.JobConf.getMapOutputValueClass(JobConf.java:552)
> > at
> > org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:369)
> > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:185)
> > at
> > org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)
> > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> > org.apache.hama.DenseVector
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:601)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:625)
> > ... 4 more
> > Caused by: java.lang.ClassNotFoundException: org.apache.hama.DenseVector
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > at java.lang.Class.forName0(Native Method)
> > at java.lang.Class.forName(Class.java:242)
> > at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:581)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:599)
> > ... 5 more
> >
> > 08/09/08 13:06:37 INFO mapred.JobClient: Task Id :
> > task_200809081230_0008_r_000000_1, Status : FAILED
> > java.lang.RuntimeException: java.lang.RuntimeException:
> > java.lang.ClassNotFoundException: org.apache.hama.algebra.AdditionReduce
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:633)
> > at
> > org.apache.hadoop.mapred.JobConf.getReducerClass(JobConf.java:747)
> > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
> > at
> > org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)
> > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> > org.apache.hama.algebra.AdditionReduce
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:601)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:625)
> > ... 3 more
> > Caused by: java.lang.ClassNotFoundException:
> > org.apache.hama.algebra.AdditionReduce
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > at java.lang.Class.forName0(Native Method)
> > at java.lang.Class.forName(Class.java:242)
> > at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:581)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:599)
> > ... 4 more
> >
> > 08/09/08 13:06:39 INFO mapred.JobClient: Task Id :
> > task_200809081230_0008_m_000000_2, Status : FAILED
> > java.lang.RuntimeException: java.lang.RuntimeException:
> > java.lang.ClassNotFoundException: org.apache.hama.DenseVector
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:633)
> > at
> > org.apache.hadoop.mapred.JobConf.getMapOutputValueClass(JobConf.java:552)
> > at
> > org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:369)
> > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:185)
> > at
> > org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)
> > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> > org.apache.hama.DenseVector
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:601)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:625)
> > ... 4 more
> > Caused by: java.lang.ClassNotFoundException: org.apache.hama.DenseVector
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > at java.lang.Class.forName0(Native Method)
> > at java.lang.Class.forName(Class.java:242)
> > at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:581)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:599)
> > ... 5 more
> >
> > 08/09/08 13:06:43 INFO mapred.JobClient: Task Id :
> > task_200809081230_0008_r_000000_2, Status : FAILED
> > java.lang.RuntimeException: java.lang.RuntimeException:
> > java.lang.ClassNotFoundException: org.apache.hama.algebra.AdditionReduce
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:633)
> > at
> > org.apache.hadoop.mapred.JobConf.getReducerClass(JobConf.java:747)
> > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:318)
> > at
> > org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2122)
> > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> > org.apache.hama.algebra.AdditionReduce
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:601)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:625)
> > ... 3 more
> > Caused by: java.lang.ClassNotFoundException:
> > org.apache.hama.algebra.AdditionReduce
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
> > at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > at java.lang.Class.forName0(Native Method)
> > at java.lang.Class.forName(Class.java:242)
> > at
> >
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:581)
> > at
> > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:599)
> > ... 4 more
> >
> > 08/09/08 13:06:44 INFO mapred.JobClient: map 100% reduce 100%
> > java.io.IOException: Job failed!
> > at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1062)
> > at org.apache.hama.DenseMatrix.add(DenseMatrix.java:146)
> > at
> > org.apache.hama.examples.MatrixAddition.main(MatrixAddition.java:44)
> > 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.hama.examples.ExampleDriver.main(ExampleDriver.java:29)
> > 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:155)
> > at org.apache.hadoop.mapred.JobShell.run(JobShell.java:194)
> > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> > at org.apache.hadoop.mapred.JobShell.main(JobShell.java:220)
> >
>
>
>
> --
> Best regards, Edward J. Yoon
> [EMAIL PROTECTED]
> http://blog.udanax.org
>
