Hi,
Hama 0.7.1 and default PageRank example works fine with me. Can you provide
more details about your test?
--
Best Regards, Edward J. Yoon
-Original Message-
From: 증퓻 [mailto:edward2...@qq.com]
Sent: Wednesday, March 23, 2016 9:25 PM
To: dev
Subject: HamaV0.7.1 bug Report
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.(UnsafeByteArrayInputS
tream.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$ComputeRunnable.(GraphJobRunner.j
ava:362)
at
org.apache.hama.graph.GraphJobRunner.doSuperstep(GraphJobRunner.java:273)
at org.apache.hama.graph.GraphJobRunner.bsp(GraphJobRunner.java:185)
at org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:171)
at org.apache.hama.bsp.BSPTask.run(BSPTask.java:144)
at
org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1255)
Running Pagerank case .
serialization running is good, but breaks down with parallel.
