Thank you all. However, Christian, could you explain more specific for me? Because I'm beginner :) please.
2013/6/24 Christian Krause <m...@ckrause.org> > Hi, > You have a failed map task. Take a look at the web interface of the Job > Tracker. Open the logs of your job and look for exceptions. > > Cheers, > Christian > > > 2013/6/24 김원배 <zwi...@gmail.com> > >> 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. >> >> >
