hama-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "刘强" <edward2...@qq.com>
Subject HamaV0.7.1 bug Report
Date Wed, 23 Mar 2016 12:24:35 GMT
Got strange problem during the steup funtion for GraphJobRunner.java.


16/03/23 20:22:11 INFO graph.GraphJobRunner: 63083 vertices are loaded into c02b06:61002
16/03/23 20:22:11 INFO graph.GraphJobRunner: Total time spent for loading vertices: 4490 ms
16/03/23 20:22:11 INFO graph.GraphJobRunner: Total time spent for broadcasting global vertex
count: 208 ms
16/03/23 20:22:12 INFO graph.GraphJobRunner: Total time spent for initial superstep: 734 ms
16/03/23 20:22:12 INFO graph.GraphJobRunner: Total time spent for broadcasting aggregation
values: 109 ms
16/03/23 20:22:13 ERROR bsp.BSPTask: Error running bsp setup and bsp function.
java.lang.NullPointerException
	at org.apache.hama.util.UnsafeByteArrayInputStream.<init>(UnsafeByteArrayInputStream.java:63)
	at org.apache.hama.util.WritableUtils.unsafeDeserialize(WritableUtils.java:63)
	at org.apache.hama.graph.MapVerticesInfo.get(MapVerticesInfo.java:101)
	at org.apache.hama.graph.GraphJobRunner$ComputeRunnable.<init>(GraphJobRunner.java:362)
	at org.apache.hama.graph.GraphJobRunner.doSuperstep(GraphJobRunner.java:273)
	at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:185)
	at org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:171)
	at org.apache.hama.bsp.BSPTask.run(BSPTask.java:144)
	at org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1255)

 
Running Pagerank case .
serialization running is good, but breaks down with parallel.
Mime
  • Unnamed multipart/alternative (inline, 8-Bit, 0 bytes)
View raw message