Hi..
I am trying to execute SingleSourceShortestPath example with some changes
in this.. While sending message,i am sending two values-(sender vertex
value+edge weight),sender_id..
For this message to send,i created my own message file
MyMessageWritable.java.
The graph input is given in following form..
[0,0,[[1,1],[3,3]]][1,0,[[0,1],[2,2],[3,1]]][2,0,[[1,2],[4,4]]][3,0,[[0,3],[1,1],[4,4]]][4,0,[[3,4],[2,4]]]
here vertex id is -long
vertex value-long
edge value-long
Message is (long,long)
I issued the following command..
hadoop jar
$GIRAPH_HOME/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner
org.apache.giraph.examples.SimpleShortestPathsComputation1 -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat
-vip /user/hduser/sp_input/tiny_graph.txt -vof
org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op
/user/hduser/sp_output15/shortestpaths -w 1
I gpt the following exception...
13/11/14 11:37:01 INFO utils.ConfigurationUtils: No edge input format
specified. Ensure your InputFormat does not require one.
13/11/14 11:37:01 INFO utils.ConfigurationUtils: No edge output format
specified. Ensure your OutputFormat does not require one.
Exception in thread "main" java.lang.IllegalArgumentException:
checkClassTypes: vertex value types not assignable, computation - class
org.apache.hadoop.io.LongWritable, VertexInputFormat - class
org.apache.hadoop.io.DoubleWritable
at
org.apache.giraph.job.GiraphConfigurationValidator.checkAssignable(GiraphConfigurationValidator.java:381)
at
org.apache.giraph.job.GiraphConfigurationValidator.verifyVertexInputFormatGenericTypes(GiraphConfigurationValidator.java:228)
at
org.apache.giraph.job.GiraphConfigurationValidator.validateConfiguration(GiraphConfigurationValidator.java:141)
at
org.apache.giraph.utils.ConfigurationUtils.parseArgs(ConfigurationUtils.java:214)
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:606)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
Any ideas???
Thanks
Jyoti
