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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-443) SSSP doesn't works with multi-tasks
Date Mon, 26 Sep 2011 00:51:26 GMT
SSSP doesn't works with multi-tasks
-----------------------------------

                 Key: HAMA-443
                 URL: https://issues.apache.org/jira/browse/HAMA-443
             Project: Hama
          Issue Type: Bug
          Components: examples
    Affects Versions: 0.3.0
            Reporter: Edward J. Yoon
             Fix For: 0.4.0


{code}

root@Cnode1:/usr/local/src/hama-trunk# core/bin/hama jar examples/target/hama-examples-0.4.0-incubating-SNAPSHOT.jar
sssp Klewno xx /user/root/edward/sssp-adjacencylist.txt
Single Source Shortest Path Example:
<Startvertex name> <optional: output path> <optional: path to own adjacency
list textfile!>
Setting default start vertex to "Frankfurt"!
Setting start vertex to Klewno!
Using new output folder: xx
11/09/26 09:46:24 INFO graph.ShortestPaths: Starting data partitioning...
11/09/26 09:47:12 INFO graph.ShortestPaths: Finished!
11/09/26 09:47:12 INFO bsp.BSPJobClient: Running job: job_201109260929_0004
11/09/26 09:47:15 INFO bsp.BSPJobClient: Current supersteps number: 0
11/09/26 09:47:21 INFO bsp.BSPJobClient: Current supersteps number: 1
11/09/26 09:47:33 INFO bsp.BSPJobClient: The total number of supersteps: 1
Job Finished in 21.553 seconds
-------------------- RESULTS --------------------
java.lang.NullPointerException
        at org.apache.hama.examples.graph.ShortestPathsBase.printOutput(ShortestPathsBase.java:93)
        at org.apache.hama.examples.graph.ShortestPaths.main(ShortestPaths.java:239)
        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:37)
        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.hama.util.RunJar.main(RunJar.java:145)
{code}

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