Hi, this seams to be a problem with the input. If you say that your first job produces nothing, then the second job is getting null input and this is probably why you get this error. I think your problem might be in your first job.
Can you separate the jobs and investigate why this is happening? Or can you create a custom input for your second job and run it with a specific input to be sure that the problem is there? Cheers, Anastasis On 17 Οκτ 2013, at 6:44 μ.μ., [email protected] wrote: > Hello there, > > i just downloaded the version 0.6.3, did the configurations and wanted to > run my programs. Previously I was using hama 0.6.0. The examples are working > fine but when I give one jar of mine to be run, I have the following issue: > > - It starts 2 jobs and after the first is completed without doing anything, > the second hangs and prints this: > > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO ipc.Server: > Starting Socket Reader #1 for port 52820 > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO ipc.Server: IPC > Server Responder: starting > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO ipc.Server: IPC > Server listener on 52820: starting > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO ipc.Server: IPC > Server handler 0 on 52820: starting > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO > message.HadoopMessageManagerImpl: BSPPeer address:master port:52820 > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO sync.ZKSyncClient: > Initializing ZK Sync Client > attempt_201310172123_0009_000000_0: 13/10/17 21:37:36 INFO > sync.ZooKeeperSyncClientImpl: Start connecting to Zookeeper! At > master/192.168.1.2:52820 > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 ERROR bsp.BSPTask: > Error running bsp setup and bsp function. > attempt_201310172123_0009_000000_0: java.lang.NullPointerException > attempt_201310172123_0009_000000_0: at > org.apache.hama.graph.GraphJobRunner.loadVertices(GraphJobRunner.java:430) > attempt_201310172123_0009_000000_0: at > org.apache.hama.graph.GraphJobRunner.setup(GraphJobRunner.java:114) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:176) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.BSPTask.run(BSPTask.java:146) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1246) > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 INFO ipc.Server: > Stopping server on 52820 > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 INFO ipc.Server: IPC > Server handler 0 on 52820: exiting > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 INFO ipc.Server: > Stopping IPC Server listener on 52820 > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 INFO ipc.Server: > Stopping IPC Server Responder > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 ERROR bsp.BSPTask: > Shutting down ping service. > attempt_201310172123_0009_000000_0: 13/10/17 21:37:37 FATAL bsp.GroomServer: > Error running child > attempt_201310172123_0009_000000_0: java.lang.NullPointerException > attempt_201310172123_0009_000000_0: at > org.apache.hama.graph.GraphJobRunner.loadVertices(GraphJobRunner.java:430) > attempt_201310172123_0009_000000_0: at > org.apache.hama.graph.GraphJobRunner.setup(GraphJobRunner.java:114) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:176) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.BSPTask.run(BSPTask.java:146) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1246) > attempt_201310172123_0009_000000_0: java.lang.NullPointerException > attempt_201310172123_0009_000000_0: at > org.apache.hama.graph.GraphJobRunner.loadVertices(GraphJobRunner.java:430) > attempt_201310172123_0009_000000_0: at > org.apache.hama.graph.GraphJobRunner.setup(GraphJobRunner.java:114) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:176) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.BSPTask.run(BSPTask.java:146) > attempt_201310172123_0009_000000_0: at > org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1246) > 13/10/17 21:38:44 INFO bsp.BSPJobClient: Job failed. > > > From what I see, it has to do something either with the setup and bsp > functions or with the reader because there is NullPointerException at > loadVertices. > > I don't think it is the first one cause I am using hama Graph. > > Any ideas? > Thanks > >
