What version of giraph are you using?
On Fri, Apr 19, 2013 at 1:05 PM, Alexandros Daglis < alexandros.dag...@epfl.ch> wrote: > Hello Claudio, > > The log says: > > 2013-04-19 12:50:40,109 FATAL org.apache.giraph.graph.GraphMapper: > uncaughtException: OverrideExceptionHandler on thread > org.apache.giraph.graph.MasterThread, msg = generateVertexInputSplits: Got > IOException, exiting... > java.lang.IllegalStateException: generateVertexInputSplits: Got IOException > at > org.apache.giraph.graph.BspServiceMaster.generateInputSplits(BspServiceMaster.java:268) > at > org.apache.giraph.graph.BspServiceMaster.createInputSplits(BspServiceMaster.java:568) > at > org.apache.giraph.graph.BspServiceMaster.createVertexInputSplits(BspServiceMaster.java:633) > at org.apache.giraph.graph.MasterThread.run(MasterThread.java:102) > Caused by: java.io.IOException: No input paths specified in job > at > org.apache.giraph.io.GiraphFileInputFormat.listStatus(GiraphFileInputFormat.java:191) > at > org.apache.giraph.io.GiraphFileInputFormat.listVertexStatus(GiraphFileInputFormat.java:251) > at > org.apache.giraph.io.GiraphFileInputFormat.getVertexSplits(GiraphFileInputFormat.java:322) > at > org.apache.giraph.io.TextVertexInputFormat.getSplits(TextVertexInputFormat.java:61) > at > org.apache.giraph.graph.BspServiceMaster.generateInputSplits(BspServiceMaster.java:266) > ... 3 more > 2013-04-19 12:50:40,112 INFO org.apache.giraph.zk.ZooKeeperManager: run: > Shutdown hook started. > 2013-04-19 12:50:40,113 WARN org.apache.giraph.zk.ZooKeeperManager: > onlineZooKeeperServers: Forced a shutdown hook kill of the ZooKeeper > process. > 2013-04-19 12:50:40,432 INFO org.apache.zookeeper.ClientCnxn: Unable to > read additional data from server sessionid 0x13e21eac5320000, likely server > has closed socket, closing socket connection and attempting reconnect > 2013-04-19 12:50:40,432 INFO org.apache.giraph.zk.ZooKeeperManager: > onlineZooKeeperServers: ZooKeeper process exited with 143 (note that 143 > typically means killed). > > My input file is in the hdfs and apparently there is no problem with the > paths, as the output directory is created. > > Best, > Alexandros > > > On 19 April 2013 01:56, Claudio Martella <claudio.marte...@gmail.com>wrote: > >> what do the logs say? >> >> >> On Thu, Apr 18, 2013 at 9:04 PM, Alexandros Daglis < >> alexandros.dag...@epfl.ch> wrote: >> >>> Hello everybody, >>> >>> it's been a while since I last ran the PageRank example. Back then, >>> there was no GiraphRunner, and the example cound be executed directly. Now, >>> I am trying to test something but I cannot manage to make the example work. >>> I use the following command: >>> >>> hadoop jar >>> giraph-0.2-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar >>> org.apache.giraph.GiraphRunner >>> org.apache.giraph.examples.SimplePageRankVertex >>> -if org.apache.giraph.io.JsonLongDoubleFloatDoubleVertexInputFormat -w 1 >>> -ip JSON_input -of >>> org.apache.giraph.io.JsonLongDoubleFloatDoubleVertexOutputFormat -op >>> outputJSON >>> >>> The map phase proceeds up to 50% and then it freezes. >>> If I use 2 workers it freezes at 66%, with 3 workers at 75% etc. >>> >>> Anyone has any idea about what might be causing the problem? >>> >>> Thanks a lot in advance, >>> Alexandros >>> >> >> >> >> -- >> Claudio Martella >> claudio.marte...@gmail.com >> > > -- Claudio Martella claudio.marte...@gmail.com
