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From 김원배 <zwi...@gmail.com>
Subject problem with running shortestpath example.
Date Mon, 24 Jun 2013 08:33:58 GMT
Hi, I'm beginner on giraph.
I have a problem with running shortestpath example.

I'm using giraph-1.0.0
hadoop 0.20.203.0
maven 3.1.0-alpha-1
java 1.6.0_22


when I command like this,


hadoop jar \
/home/wb/giraph-1.0.0/giraph-core/target/giraph-1.0.0-for-hadoop-0.20.203.0-jar-with-dependencies.jar
\
org.apache.giraph.GiraphRunner \
org.apache.giraph.examples.SimpleShortestPathsVertex \
-vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat \
-vip ./in/input \
-of org.apache.giraph.io.formats.IdWithValueTextOutputFormat \
-op ./outShortest \
-w 1


I get this result


Exception in thread "main" java.lang.ClassNotFoundException:
org.apache.giraph.examples.SimpleShortestPathsVertex
        at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:186)
        at
org.apache.giraph.utils.ConfigurationUtils.populateGiraphConfiguration(ConfigurationUtils.java:210)
        at
org.apache.giraph.utils.ConfigurationUtils.parseArgs(ConfigurationUtils.java:147)
        at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:74)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
        at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:124)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:156)




and when I command like this,


hadoop jar \
/home/wb/giraph-1.0.0/giraph-examples/target/giraph-examples-1.0.0-for-hadoop-0.20.203.0-jar-with-dependencies.jar
\
org.apache.giraph.GiraphRunner \
org.apache.giraph.examples.SimpleShortestPathsVertex \
-vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat \
-vip /in/input \
-of org.apache.giraph.io.formats.IdWithValueTextOutputFormat \
-op /outShortest \
-w 1


I get this result.


13/06/24 16:40:54 INFO utils.ConfigurationUtils: No edge input format
specified. Ensure your InputFormat does not require one.
13/06/24 16:40:54 WARN job.GiraphConfigurationValidator: Output format
vertex index type is not known
13/06/24 16:40:54 WARN job.GiraphConfigurationValidator: Output format
vertex value type is not known
13/06/24 16:40:54 WARN job.GiraphConfigurationValidator: Output format edge
value type is not known
13/06/24 16:40:54 INFO job.GiraphJob: run: Since checkpointing is disabled
(default), do not allow any task retries (setting mapred.map.max.attempts =
0, old value = 4)
13/06/24 16:40:56 INFO mapred.JobClient: Running job: job_201306241432_0005
13/06/24 16:40:57 INFO mapred.JobClient:  map 0% reduce 0%
13/06/24 16:41:18 INFO mapred.JobClient:  map 50% reduce 0%
13/06/24 16:41:21 INFO mapred.JobClient:  map 100% reduce 0%
13/06/24 16:51:29 INFO mapred.JobClient:  map 50% reduce 0%
13/06/24 16:51:37 INFO mapred.JobClient: Job complete: job_201306241432_0005
13/06/24 16:51:37 INFO mapred.JobClient: Counters: 6
13/06/24 16:51:37 INFO mapred.JobClient:   Job Counters
13/06/24 16:51:37 INFO mapred.JobClient:     SLOTS_MILLIS_MAPS=1242845
13/06/24 16:51:37 INFO mapred.JobClient:     Total time spent by all
reduces waiting after reserving slots (ms)=0
13/06/24 16:51:37 INFO mapred.JobClient:     Total time spent by all maps
waiting after reserving slots (ms)=0
13/06/24 16:51:37 INFO mapred.JobClient:     Launched map tasks=2
13/06/24 16:51:37 INFO mapred.JobClient:     SLOTS_MILLIS_REDUCES=0
13/06/24 16:51:37 INFO mapred.JobClient:     Failed map tasks=1


I cannot find out what's the probelm. Thanks.

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