Error partitioning the input path

[Yingyi Bu]

Hi,

I got a runtime partition exception as follows:

13/09/27 08:52:41 INFO mortbay.log: Logging to
org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via
org.mortbay.log.Slf4jLog
13/09/27 08:52:42 INFO bsp.FileInputFormat: Total input paths to process : 2
13/09/27 08:52:42 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
13/09/27 08:52:42 WARN snappy.LoadSnappy: Snappy native library not loaded
13/09/27 08:52:42 INFO bsp.FileInputFormat: Total input paths to process : 2
13/09/27 08:52:42 INFO bsp.BSPJobClient: Running job: job_201309270852_0002
13/09/27 08:52:45 INFO bsp.BSPJobClient: Current supersteps number: 0
13/09/27 08:58:10 INFO bsp.BSPJobClient: Current supersteps number: 1
13/09/27 08:58:16 INFO bsp.BSPJobClient: Current supersteps number: 2
13/09/27 09:00:04 INFO bsp.BSPJobClient: Job failed.
13/09/27 09:00:04 ERROR bsp.BSPJobClient: Error partitioning the input path.
java.io.IOException: Runtime partition failed for the job.
        at org.apache.hama.bsp.BSPJobClient.partition(BSPJobClient.java:465)
        at
org.apache.hama.bsp.BSPJobClient.submitJobInternal(BSPJobClient.java:333)
        at org.apache.hama.bsp.BSPJobClient.submitJob(BSPJobClient.java:293)
        at org.apache.hama.bsp.BSPJob.submit(BSPJob.java:229)
        at org.apache.hama.graph.GraphJob.submit(GraphJob.java:203)
        at org.apache.hama.bsp.BSPJob.waitForCompletion(BSPJob.java:236)
        at org.apache.hama.examples.PageRank2.main(PageRank2.java:164)
        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:601)
        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:43)
        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:601)
        at org.apache.hama.util.RunJar.main(RunJar.java:146)

Does anyone know what's the possible reason of this exception?
Thanks!

Yingyi