Hi,

I've noticied that you used only one worker in your command ( -w 1).
Have you tried to set the option giraph.SplitMasterWorker to false ?
I am pretty new to Giraph but from what I know, you have to do that when
you have only 1 worker.

Yours Sincerely, Flavian

2015-01-28 14:57 GMT+01:00 Fredrik Einarsson <einarsso...@gmail.com>:

> Dear Giraph users,
>
> I am trying to get my Giraph installation to work but I am stuck.
>
> Below I paste my command and job tracker log entry. I appreciate your
> help.
>
> hadoop jar
> /usr/local/giraph/giraph-examples/target/giraph-examples-1.2.0-SNAPSHOT-for-hadoop-1.2.1-jar-with-dependencies.jar
> org.apache.giraph.GiraphRunner
> org.apache.giraph.examples.SimpleShortestPathsComputation -vif
> org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat
> -vip /user/fredrik/input/tiny_graph.txt -vof
> org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op
> /user/fredrik/output/shortestpaths -w 1
>
> Task Logs: 'attempt_201501281117_0016_m_000000_0'
>
> *stdout logs*
> ------------------------------
>
>
> *stderr logs*
>
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in 
> [file:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/jars/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in 
> [jar:file:/usr/local/hadoop/lib/slf4j-log4j12-1.4.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an 
> explanation.
> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
>
> ------------------------------
>
>
> *syslog logs*
>
> 2015-01-28 14:49:28,422 INFO org.apache.hadoop.util.NativeCodeLoader: Loaded 
> the native-hadoop library
> 2015-01-28 14:49:30,078 WARN 
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi already 
> exists!
> 2015-01-28 14:49:30,745 INFO org.apache.hadoop.util.ProcessTree: setsid 
> exited with exit code 0
> 2015-01-28 14:49:30,781 INFO org.apache.hadoop.mapred.Task:  Using 
> ResourceCalculatorPlugin : 
> org.apache.hadoop.util.LinuxResourceCalculatorPlugin@2bf8e35d
> 2015-01-28 14:49:31,022 INFO org.apache.hadoop.mapred.MapTask: Processing 
> split: 'org.apache.giraph.bsp.BspInputSplit, index=-1, num=-1
> 2015-01-28 14:49:31,270 INFO org.apache.giraph.graph.GraphTaskManager: setup: 
> Log level remains at info
> 2015-01-28 14:49:31,852 INFO org.apache.giraph.zk.ZooKeeperManager: 
> createCandidateStamp: Made the directory 
> _bsp/_defaultZkManagerDir/job_201501281117_0016
> 2015-01-28 14:49:31,854 INFO org.apache.giraph.zk.ZooKeeperManager: 
> createCandidateStamp: Made the directory 
> _bsp/_defaultZkManagerDir/job_201501281117_0016/_zkServer
> 2015-01-28 14:49:31,857 INFO org.apache.giraph.zk.ZooKeeperManager: 
> createCandidateStamp: Creating my filestamp 
> _bsp/_defaultZkManagerDir/job_201501281117_0016/_task/fredrik-virtualbox 0
> 2015-01-28 14:49:31,925 INFO org.apache.giraph.zk.ZooKeeperManager: 
> getZooKeeperServerList: Got [fredrik-virtualbox] 1 hosts from 1 candidates 
> when 1 required (polling period is 3000) on attempt 0
> 2015-01-28 14:49:31,926 INFO org.apache.giraph.zk.ZooKeeperManager: 
> createZooKeeperServerList: Creating the final ZooKeeper file 
> '_bsp/_defaultZkManagerDir/job_201501281117_0016/zkServerList_fredrik-virtualbox
>  0 '
> 2015-01-28 14:49:31,955 INFO org.apache.giraph.zk.ZooKeeperManager: 
> getZooKeeperServerList: For task 0, got file 'zkServerList_fredrik-virtualbox 
> 0 ' (polling period is 3000)
> 2015-01-28 14:49:31,955 INFO org.apache.giraph.zk.ZooKeeperManager: 
> getZooKeeperServerList: Found [fredrik-virtualbox, 0] 2 hosts in filename 
> 'zkServerList_fredrik-virtualbox 0 '
> 2015-01-28 14:49:31,956 INFO org.apache.giraph.zk.ZooKeeperManager: 
> onlineZooKeeperServers: Trying to delete old directory 
> /app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/work/_bspZooKeeper
> 2015-01-28 14:49:31,969 INFO org.apache.giraph.zk.ZooKeeperManager: 
> generateZooKeeperConfigFile: Creating file 
> /app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/work/_bspZooKeeper/zoo.cfg
>  in 
> /app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/work/_bspZooKeeper
>  with base port 22181
> 2015-01-28 14:49:31,970 INFO org.apache.giraph.zk.ZooKeeperManager: 
> generateZooKeeperConfigFile: Make directory of _bspZooKeeper = true
> 2015-01-28 14:49:31,970 INFO org.apache.giraph.zk.ZooKeeperManager: 
> generateZooKeeperConfigFile: Delete of zoo.cfg = false
> 2015-01-28 14:49:31,989 INFO org.apache.giraph.zk.ZooKeeperManager: 
> onlineZooKeeperServers: Connect attempt 0 of 10 max trying to connect to 
> fredrik-virtualbox:22181 with poll msecs = 3000
> 2015-01-28 14:49:32,000 WARN org.apache.giraph.zk.ZooKeeperManager: 
> onlineZooKeeperServers: Got ConnectException
> java.net.ConnectException: Connection refused
>       at java.net.PlainSocketImpl.socketConnect(Native Method)
>       at 
> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
>       at 
> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
>       at 
> java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
>       at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>       at java.net.Socket.connect(Socket.java:579)
>       at 
> org.apache.giraph.zk.ZooKeeperManager.onlineZooKeeperServers(ZooKeeperManager.java:601)
>       at 
> org.apache.giraph.graph.GraphTaskManager.startZooKeeperManager(GraphTaskManager.java:433)
>       at 
> org.apache.giraph.graph.GraphTaskManager.setup(GraphTaskManager.java:231)
>       at org.apache.giraph.graph.GraphMapper.setup(GraphMapper.java:55)
>       at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:89)
>       at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
>       at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)
>       at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:415)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
>       at org.apache.hadoop.mapred.Child.main(Child.java:249)
> 2015-01-28 14:49:32,018 INFO 
> org.apache.zookeeper.server.quorum.QuorumPeerConfig: Reading configuration 
> from: 
> /app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/work/_bspZooKeeper/zoo.cfg
> 2015-01-28 14:49:32,029 INFO 
> org.apache.zookeeper.server.DatadirCleanupManager: autopurge.snapRetainCount 
> set to 3
> 2015-01-28 14:49:32,029 INFO 
> org.apache.zookeeper.server.DatadirCleanupManager: autopurge.purgeInterval 
> set to 0
> 2015-01-28 14:49:32,029 INFO 
> org.apache.zookeeper.server.DatadirCleanupManager: Purge task is not 
> scheduled.
> 2015-01-28 14:49:32,035 WARN org.apache.giraph.zk.InProcessZooKeeperRunner: 
> Either no config or no quorum defined in config, running  in standalone mode
> 2015-01-28 14:49:32,154 INFO 
> org.apache.zookeeper.server.quorum.QuorumPeerConfig: Reading configuration 
> from: 
> /app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/work/_bspZooKeeper/zoo.cfg
> 2015-01-28 14:49:32,154 INFO org.apache.zookeeper.server.ZooKeeperServerMain: 
> Starting server
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:zookeeper.version=3.4.5-1392090, built on 09/30/2012 17:52 
> GMT
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:host.name=fredrik-VirtualBox
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:java.version=1.7.0_65
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:java.vendor=Oracle Corporation
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:java.home=/usr/lib/jvm/java-7-openjdk-amd64/jre
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server 
> environment:java.class.path=/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/jars/classes:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/jars:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work:/usr/local/hadoop/libexec/../conf:/usr/lib/jvm/java-7-openjdk-amd64/lib/tools.jar:/usr/local/hadoop/libexec/..:/usr/local/hadoop/libexec/../hadoop-core-1.2.1.jar:/usr/local/hadoop/libexec/../lib/asm-3.2.jar:/usr/local/hadoop/libexec/../lib/aspectjrt-1.6.11.jar:/usr/local/hadoop/libexec/../lib/aspectjtools-1.6.11.jar:/usr/local/hadoop/libexec/../lib/commons-beanutils-1.7.0.jar:/usr/local/hadoop/libexec/../lib/commons-beanutils-core-1.8.0.jar:/usr/local/hadoop/libexec/../lib/commons-cli-1.2.jar:/usr/local/hadoop/libexec/../lib/commons-codec-1.4.jar:/usr/local/hadoop/libexec/../lib/commons-collections-3.2.1.jar:/usr/local/hadoop/libexec/../lib/commons-configuration-1.6.jar:/usr/local/hadoop/libexec/../lib/commons-daemon-1.0.1.jar:/usr/local/hadoop/libexec/../lib/commons-digester-1.8.jar:/usr/local/hadoop/libexec/../lib/commons-el-1.0.jar:/usr/local/hadoop/libexec/../lib/commons-httpclient-3.0.1.jar:/usr/local/hadoop/libexec/../lib/commons-io-2.1.jar:/usr/local/hadoop/libexec/../lib/commons-lang-2.4.jar:/usr/local/hadoop/libexec/../lib/commons-logging-1.1.1.jar:/usr/local/hadoop/libexec/../lib/commons-logging-api-1.0.4.jar:/usr/local/hadoop/libexec/../lib/commons-math-2.1.jar:/usr/local/hadoop/libexec/../lib/commons-net-3.1.jar:/usr/local/hadoop/libexec/../lib/core-3.1.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-capacity-scheduler-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-fairscheduler-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-thriftfs-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hsqldb-1.8.0.10.jar:/usr/local/hadoop/libexec/../lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop/libexec/../lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop/libexec/../lib/jasper-compiler-5.5.12.jar:/usr/local/hadoop/libexec/../lib/jasper-runtime-5.5.12.jar:/usr/local/hadoop/libexec/../lib/jdeb-0.8.jar:/usr/local/hadoop/libexec/../lib/jersey-core-1.8.jar:/usr/local/hadoop/libexec/../lib/jersey-json-1.8.jar:/usr/local/hadoop/libexec/../lib/jersey-server-1.8.jar:/usr/local/hadoop/libexec/../lib/jets3t-0.6.1.jar:/usr/local/hadoop/libexec/../lib/jetty-6.1.26.jar:/usr/local/hadoop/libexec/../lib/jetty-util-6.1.26.jar:/usr/local/hadoop/libexec/../lib/jsch-0.1.42.jar:/usr/local/hadoop/libexec/../lib/junit-4.5.jar:/usr/local/hadoop/libexec/../lib/kfs-0.2.2.jar:/usr/local/hadoop/libexec/../lib/log4j-1.2.15.jar:/usr/local/hadoop/libexec/../lib/mockito-all-1.8.5.jar:/usr/local/hadoop/libexec/../lib/oro-2.0.8.jar:/usr/local/hadoop/libexec/../lib/servlet-api-2.5-20081211.jar:/usr/local/hadoop/libexec/../lib/slf4j-api-1.4.3.jar:/usr/local/hadoop/libexec/../lib/slf4j-log4j12-1.4.3.jar:/usr/local/hadoop/libexec/../lib/xmlenc-0.52.jar:/usr/local/hadoop/libexec/../lib/jsp-2.1/jsp-2.1.jar:/usr/local/hadoop/libexec/../lib/jsp-2.1/jsp-api-2.1.jar
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server 
> environment:java.library.path=/usr/local/hadoop/libexec/../lib/native/Linux-amd64-64:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server 
> environment:java.io.tmpdir=/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work/tmp
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:java.compiler=<NA>
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:os.name=Linux
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:os.arch=amd64
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:os.version=3.16.0-29-generic
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:user.name=fredrik
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server environment:user.home=/home/fredrik
> 2015-01-28 14:49:32,183 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Server 
> environment:user.dir=/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work
> 2015-01-28 14:49:32,215 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> tickTime set to 6000
> 2015-01-28 14:49:32,215 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> minSessionTimeout set to 600000
> 2015-01-28 14:49:32,216 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> maxSessionTimeout set to 900000
> 2015-01-28 14:49:32,266 INFO 
> org.apache.zookeeper.server.NIOServerCnxnFactory: binding to port 
> 0.0.0.0/0.0.0.0:22181
> 2015-01-28 <http://0.0.0.0/0.0.0.0:221812015-01-28> 14:49:32,337 INFO 
> org.apache.zookeeper.server.persistence.FileTxnSnapLog: Snapshotting: 0x0 to 
> /app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/work/_bspZooKeeper/version-2/snapshot.0
> 2015-01-28 14:49:32,414 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: zookeeper.skipACL=="yes", 
> ACL checks will be skipped
> 2015-01-28 14:49:35,030 INFO org.apache.giraph.zk.ZooKeeperManager: 
> onlineZooKeeperServers: Connect attempt 1 of 10 max trying to connect to 
> fredrik-virtualbox:22181 with poll msecs = 3000
> 2015-01-28 14:49:35,030 INFO org.apache.giraph.zk.ZooKeeperManager: 
> onlineZooKeeperServers: Connected to fredrik-VirtualBox/192.168.56.10:22181!
> 2015-01-28 14:49:35,031 INFO org.apache.giraph.zk.ZooKeeperManager: 
> onlineZooKeeperServers: Creating my filestamp 
> _bsp/_defaultZkManagerDir/job_201501281117_0016/_zkServer/fredrik-virtualbox 0
> 2015-01-28 14:49:35,031 INFO 
> org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection 
> from /192.168.56.10:34203
> 2015-01-28 14:49:35,798 INFO 
> org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection 
> from /192.168.56.10:34204
> 2015-01-28 14:49:35,804 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Client attempting to establish new session at /192.168.56.10:34204
> 2015-01-28 14:49:35,807 INFO 
> org.apache.zookeeper.server.persistence.FileTxnLog: Creating new log file: 
> log.1
> 2015-01-28 14:49:35,825 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Established session 0x14b30cddb450000 with negotiated timeout 600000 for 
> client /192.168.56.10:34204
> 2015-01-28 14:49:35,989 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x1 zxid:0x2 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016 Error:KeeperErrorCode = NoNode for 
> /_hadoopBsp/job_201501281117_0016
> 2015-01-28 14:49:36,012 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x8 zxid:0x7 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0 
> Error:KeeperErrorCode = NoNode for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0
> 2015-01-28 14:49:36,013 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x9 zxid:0x8 txntype:-1 reqpath:n/a Error Path:/_hadoopBsp 
> Error:KeeperErrorCode = NodeExists for /_hadoopBsp
> 2015-01-28 14:49:36,013 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0xa zxid:0x9 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016 Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016
> 2015-01-28 14:49:36,014 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0xb zxid:0xa txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir 
> Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir
> 2015-01-28 14:49:36,023 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0xf zxid:0xd txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
>  Error:KeeperErrorCode = NoNode for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
> 2015-01-28 14:49:36,025 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x10 zxid:0xe txntype:-1 reqpath:n/a Error Path:/_hadoopBsp 
> Error:KeeperErrorCode = NodeExists for /_hadoopBsp
> 2015-01-28 14:49:36,027 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x11 zxid:0xf txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016 Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016
> 2015-01-28 14:49:36,028 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x12 zxid:0x10 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir 
> Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir
> 2015-01-28 14:49:36,029 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x13 zxid:0x11 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0 
> Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0
> 2015-01-28 14:49:36,030 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x14 zxid:0x12 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir
> 2015-01-28 14:49:36,415 WARN org.apache.zookeeper.server.NIOServerCnxn: 
> caught end of stream exception
> EndOfStreamException: Unable to read additional data from client sessionid 
> 0x0, likely client has closed socket
>       at 
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:220)
>       at 
> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
>       at java.lang.Thread.run(Thread.java:745)
> 2015-01-28 14:49:36,415 INFO org.apache.zookeeper.server.NIOServerCnxn: 
> Closed socket connection for client /192.168.56.10:34203 (no session 
> established for client)
> 2015-01-28 14:49:37,361 INFO org.apache.giraph.graph.GraphTaskManager: setup: 
> Chosen to run ZooKeeper...
> 2015-01-28 14:49:37,362 INFO org.apache.giraph.graph.GraphTaskManager: setup: 
> Starting up BspServiceMaster (master thread)...
> 2015-01-28 14:49:37,374 INFO org.apache.giraph.bsp.BspService: BspService: 
> Path to create to halt is /_hadoopBsp/job_201501281117_0016/_haltComputation
> 2015-01-28 14:49:37,374 INFO org.apache.giraph.bsp.BspService: BspService: 
> Connecting to ZooKeeper with job job_201501281117_0016, 0 on 
> fredrik-virtualbox:22181
> 2015-01-28 14:49:37,378 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:zookeeper.version=3.4.5-1392090, built on 09/30/2012 17:52 GMT
> 2015-01-28 14:49:37,378 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:host.name=fredrik-VirtualBox
> 2015-01-28 14:49:37,378 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.version=1.7.0_65
> 2015-01-28 14:49:37,378 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.vendor=Oracle Corporation
> 2015-01-28 14:49:37,378 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.home=/usr/lib/jvm/java-7-openjdk-amd64/jre
> 2015-01-28 14:49:37,378 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.class.path=/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/jars/classes:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/jars:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work:/usr/local/hadoop/libexec/../conf:/usr/lib/jvm/java-7-openjdk-amd64/lib/tools.jar:/usr/local/hadoop/libexec/..:/usr/local/hadoop/libexec/../hadoop-core-1.2.1.jar:/usr/local/hadoop/libexec/../lib/asm-3.2.jar:/usr/local/hadoop/libexec/../lib/aspectjrt-1.6.11.jar:/usr/local/hadoop/libexec/../lib/aspectjtools-1.6.11.jar:/usr/local/hadoop/libexec/../lib/commons-beanutils-1.7.0.jar:/usr/local/hadoop/libexec/../lib/commons-beanutils-core-1.8.0.jar:/usr/local/hadoop/libexec/../lib/commons-cli-1.2.jar:/usr/local/hadoop/libexec/../lib/commons-codec-1.4.jar:/usr/local/hadoop/libexec/../lib/commons-collections-3.2.1.jar:/usr/local/hadoop/libexec/../lib/commons-configuration-1.6.jar:/usr/local/hadoop/libexec/../lib/commons-daemon-1.0.1.jar:/usr/local/hadoop/libexec/../lib/commons-digester-1.8.jar:/usr/local/hadoop/libexec/../lib/commons-el-1.0.jar:/usr/local/hadoop/libexec/../lib/commons-httpclient-3.0.1.jar:/usr/local/hadoop/libexec/../lib/commons-io-2.1.jar:/usr/local/hadoop/libexec/../lib/commons-lang-2.4.jar:/usr/local/hadoop/libexec/../lib/commons-logging-1.1.1.jar:/usr/local/hadoop/libexec/../lib/commons-logging-api-1.0.4.jar:/usr/local/hadoop/libexec/../lib/commons-math-2.1.jar:/usr/local/hadoop/libexec/../lib/commons-net-3.1.jar:/usr/local/hadoop/libexec/../lib/core-3.1.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-capacity-scheduler-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-fairscheduler-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hadoop-thriftfs-1.2.1.jar:/usr/local/hadoop/libexec/../lib/hsqldb-1.8.0.10.jar:/usr/local/hadoop/libexec/../lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop/libexec/../lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop/libexec/../lib/jasper-compiler-5.5.12.jar:/usr/local/hadoop/libexec/../lib/jasper-runtime-5.5.12.jar:/usr/local/hadoop/libexec/../lib/jdeb-0.8.jar:/usr/local/hadoop/libexec/../lib/jersey-core-1.8.jar:/usr/local/hadoop/libexec/../lib/jersey-json-1.8.jar:/usr/local/hadoop/libexec/../lib/jersey-server-1.8.jar:/usr/local/hadoop/libexec/../lib/jets3t-0.6.1.jar:/usr/local/hadoop/libexec/../lib/jetty-6.1.26.jar:/usr/local/hadoop/libexec/../lib/jetty-util-6.1.26.jar:/usr/local/hadoop/libexec/../lib/jsch-0.1.42.jar:/usr/local/hadoop/libexec/../lib/junit-4.5.jar:/usr/local/hadoop/libexec/../lib/kfs-0.2.2.jar:/usr/local/hadoop/libexec/../lib/log4j-1.2.15.jar:/usr/local/hadoop/libexec/../lib/mockito-all-1.8.5.jar:/usr/local/hadoop/libexec/../lib/oro-2.0.8.jar:/usr/local/hadoop/libexec/../lib/servlet-api-2.5-20081211.jar:/usr/local/hadoop/libexec/../lib/slf4j-api-1.4.3.jar:/usr/local/hadoop/libexec/../lib/slf4j-log4j12-1.4.3.jar:/usr/local/hadoop/libexec/../lib/xmlenc-0.52.jar:/usr/local/hadoop/libexec/../lib/jsp-2.1/jsp-2.1.jar:/usr/local/hadoop/libexec/../lib/jsp-2.1/jsp-api-2.1.jar
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.library.path=/usr/local/hadoop/libexec/../lib/native/Linux-amd64-64:/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.io.tmpdir=/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work/tmp
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:java.compiler=<NA>
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:os.name=Linux
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:os.arch=amd64
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:os.version=3.16.0-29-generic
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:user.name=fredrik
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:user.home=/home/fredrik
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Client 
> environment:user.dir=/app/hadoop/tmp/mapred/local/taskTracker/fredrik/jobcache/job_201501281117_0016/attempt_201501281117_0016_m_000000_0/work
> 2015-01-28 14:49:37,379 INFO org.apache.zookeeper.ZooKeeper: Initiating 
> client connection, connectString=fredrik-virtualbox:22181 
> sessionTimeout=60000 watcher=org.apache.giraph.master.BspServiceMaster@f9aac17
> 2015-01-28 14:49:37,393 INFO org.apache.zookeeper.ClientCnxn: Opening socket 
> connection to server fredrik-VirtualBox/192.168.56.10:22181. Will not attempt 
> to authenticate using SASL (unknown error)
> 2015-01-28 14:49:37,393 INFO 
> org.apache.zookeeper.server.NIOServerCnxnFactory: Accepted socket connection 
> from /192.168.56.10:34205
> 2015-01-28 14:49:37,394 INFO org.apache.zookeeper.ClientCnxn: Socket 
> connection established to fredrik-VirtualBox/192.168.56.10:22181, initiating 
> session
> 2015-01-28 14:49:37,394 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Client attempting to establish new session at /192.168.56.10:34205
> 2015-01-28 14:49:37,395 INFO org.apache.zookeeper.server.ZooKeeperServer: 
> Established session 0x14b30cddb450001 with negotiated timeout 600000 for 
> client /192.168.56.10:34205
> 2015-01-28 14:49:37,395 INFO org.apache.zookeeper.ClientCnxn: Session 
> establishment complete on server fredrik-VirtualBox/192.168.56.10:22181, 
> sessionid = 0x14b30cddb450001, negotiated timeout = 600000
> 2015-01-28 14:49:37,396 INFO org.apache.giraph.bsp.BspService: process: 
> Asynchronous connection complete.
> 2015-01-28 14:49:37,402 INFO org.apache.giraph.graph.GraphTaskManager: map: 
> No need to do anything when not a worker
> 2015-01-28 14:49:37,402 INFO org.apache.giraph.graph.GraphTaskManager: 
> cleanup: Starting for MASTER_ZOOKEEPER_ONLY
> 2015-01-28 14:49:37,404 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x1 zxid:0x17 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_masterElectionDir 
> Error:KeeperErrorCode = NoNode for 
> /_hadoopBsp/job_201501281117_0016/_masterElectionDir
> 2015-01-28 14:49:37,405 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x2 zxid:0x18 txntype:-1 reqpath:n/a Error Path:/_hadoopBsp 
> Error:KeeperErrorCode = NodeExists for /_hadoopBsp
> 2015-01-28 14:49:37,406 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x3 zxid:0x19 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016 Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016
> 2015-01-28 14:49:37,409 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x6 zxid:0x1c txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_masterJobState Error:KeeperErrorCode 
> = NodeExists for /_hadoopBsp/job_201501281117_0016/_masterJobState
> 2015-01-28 14:49:37,409 INFO org.apache.giraph.bsp.BspService: getJobState: 
> Job state already exists (/_hadoopBsp/job_201501281117_0016/_masterJobState)
> 2015-01-28 14:49:37,411 INFO org.apache.giraph.master.BspServiceMaster: 
> becomeMaster: First child is 
> '/_hadoopBsp/job_201501281117_0016/_masterElectionDir/fredrik-virtualbox_00000000000'
>  and my bid is 
> '/_hadoopBsp/job_201501281117_0016/_masterElectionDir/fredrik-virtualbox_00000000000'
> 2015-01-28 14:49:37,414 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x9 zxid:0x1d txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir 
> Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir
> 2015-01-28 14:49:37,414 INFO org.apache.giraph.bsp.BspService: 
> getApplicationAttempt: Node 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir already exists!
> 2015-01-28 14:49:37,477 INFO org.apache.giraph.comm.netty.NettyServer: 
> NettyServer: Using execution group with 8 threads for requestFrameDecoder.
> 2015-01-28 14:49:37,537 INFO org.apache.giraph.comm.netty.NettyServer: start: 
> Started server communication server: fredrik-VirtualBox/192.168.56.10:30000 
> with up to 16 threads on bind attempt 0 with sendBufferSize = 32768 
> receiveBufferSize = 524288
> 2015-01-28 14:49:37,545 INFO org.apache.giraph.comm.netty.NettyClient: 
> NettyClient: Using execution handler with 8 threads after request-encoder.
> 2015-01-28 14:49:37,548 INFO org.apache.giraph.master.BspServiceMaster: 
> becomeMaster: I am now the master!
> 2015-01-28 14:49:37,549 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0xb zxid:0x1e txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir
> 2015-01-28 14:49:37,549 INFO org.apache.giraph.bsp.BspService: 
> getApplicationAttempt: Node 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir already exists!
> 2015-01-28 14:49:37,550 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0xd zxid:0x1f txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
> 2015-01-28 14:49:37,559 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x13 zxid:0x21 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
> 2015-01-28 14:49:37,560 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x14 zxid:0x22 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerUnhealthyDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerUnhealthyDir
> 2015-01-28 14:49:37,568 INFO 
> org.apache.giraph.io.formats.GiraphFileInputFormat: Total input paths to 
> process : 1
> 2015-01-28 14:49:37,580 WARN org.apache.hadoop.io.compress.snappy.LoadSnappy: 
> Snappy native library not loaded
> 2015-01-28 14:49:37,586 INFO org.apache.giraph.master.BspServiceMaster: 
> generateVertexInputSplits: Got 1 input splits for 1 input threads
> 2015-01-28 14:49:37,586 INFO org.apache.giraph.master.BspServiceMaster: 
> createVertexInputSplits: Starting to write input split data to zookeeper with 
> 1 threads
> 2015-01-28 14:49:37,590 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x18 zxid:0x23 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_vertexInputSplitDir 
> Error:KeeperErrorCode = NoNode for 
> /_hadoopBsp/job_201501281117_0016/_vertexInputSplitDir
> 2015-01-28 14:49:37,591 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x19 zxid:0x24 txntype:-1 reqpath:n/a Error Path:/_hadoopBsp 
> Error:KeeperErrorCode = NodeExists for /_hadoopBsp
> 2015-01-28 14:49:37,591 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x1a zxid:0x25 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016 Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016
> 2015-01-28 14:49:37,594 INFO org.apache.giraph.master.BspServiceMaster: 
> createVertexInputSplits: Done writing input split data to zookeeper
> 2015-01-28 14:49:37,595 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x1e zxid:0x29 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerHealthyDir
> 2015-01-28 14:49:37,596 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450001 type:create 
> cxid:0x1f zxid:0x2a txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerUnhealthyDir
>  Error:KeeperErrorCode = NodeExists for 
> /_hadoopBsp/job_201501281117_0016/_applicationAttemptsDir/0/_superstepDir/-1/_workerUnhealthyDir
> 2015-01-28 14:49:37,605 INFO org.apache.giraph.comm.netty.NettyClient: Using 
> Netty without authentication.
> 2015-01-28 14:49:37,614 INFO org.apache.giraph.comm.netty.NettyClient: 
> connectAllAddresses: Successfully added 1 connections, (1 total connected) 0 
> failed, 0 failures total.
> 2015-01-28 14:49:37,615 INFO org.apache.giraph.partition.PartitionUtils: 
> computePartitionCount: Creating 1, default would have been 1 partitions.
> 2015-01-28 14:49:37,679 INFO org.apache.giraph.master.BspServiceMaster: 
> barrierOnWorkerList: 0 out of 1 workers finished on superstep -1 on path 
> /_hadoopBsp/job_201501281117_0016/_vertexInputSplitDoneDir
> 2015-01-28 14:49:37,681 INFO org.apache.giraph.comm.netty.NettyServer: start: 
> Using Netty without authentication.
> 2015-01-28 14:49:37,683 INFO org.apache.giraph.master.BspServiceMaster: 
> barrierOnWorkerList: Waiting on [fredrik-virtualbox_1]
> 2015-01-28 14:49:37,779 INFO org.apache.giraph.master.BspServiceMaster: 
> setJobState: 
> {"_stateKey":"FAILED","_applicationAttemptKey":-1,"_superstepKey":-1} on 
> superstep -1
> 2015-01-28 14:49:37,782 INFO 
> org.apache.zookeeper.server.PrepRequestProcessor: Got user-level 
> KeeperException when processing sessionid:0x14b30cddb450000 type:create 
> cxid:0x24 zxid:0x32 txntype:-1 reqpath:n/a Error 
> Path:/_hadoopBsp/job_201501281117_0016/_masterJobState Error:KeeperErrorCode 
> = NodeExists for /_hadoopBsp/job_201501281117_0016/_masterJobState
> 2015-01-28 14:49:37,785 INFO org.apache.giraph.master.BspServiceMaster: 
> setJobState: 
> {"_stateKey":"FAILED","_applicationAttemptKey":-1,"_superstepKey":-1}
> 2015-01-28 14:49:37,785 FATAL org.apache.giraph.master.BspServiceMaster: 
> failJob: Killing job job_201501281117_0016
> 2015-01-28 14:49:37,785 FATAL org.apache.giraph.master.BspServiceMaster: 
> failJob: exception java.lang.IllegalStateException: ******* WORKERS 
> [Worker(hostname=fredrik-virtualbox, MRtaskID=1, port=30001)] FAILED *******
> 2015-01-28 14:49:37,830 ERROR org.apache.giraph.master.MasterThread: 
> masterThread: Master algorithm failed with IllegalStateException
> java.lang.IllegalStateException: coordinateVertexInputSplits: Worker failed 
> during input split (currently not supported)
>       at 
> org.apache.giraph.master.BspServiceMaster.coordinateInputSplits(BspServiceMaster.java:1499)
>       at 
> org.apache.giraph.master.BspServiceMaster.coordinateSuperstep(BspServiceMaster.java:1666)
>       at org.apache.giraph.master.MasterThread.run(MasterThread.java:124)
> 2015-01-28 14:49:37,831 FATAL org.apache.giraph.graph.GraphTaskManager: 
> uncaughtException: OverrideExceptionHandler on thread 
> org.apache.giraph.master.MasterThread, msg = java.lang.IllegalStateException: 
> coordinateVertexInputSplits: Worker failed during input split (currently not 
> supported), exiting...
> java.lang.IllegalStateException: java.lang.IllegalStateException: 
> coordinateVertexInputSplits: Worker failed during input split (currently not 
> supported)
>       at org.apache.giraph.master.MasterThread.run(MasterThread.java:194)
> Caused by: java.lang.IllegalStateException: coordinateVertexInputSplits: 
> Worker failed during input split (currently not supported)
>       at 
> org.apache.giraph.master.BspServiceMaster.coordinateInputSplits(BspServiceMaster.java:1499)
>       at 
> org.apache.giraph.master.BspServiceMaster.coordinateSuperstep(BspServiceMaster.java:1666)
>       at org.apache.giraph.master.MasterThread.run(MasterThread.java:124)
>
>
>
> *Kinds Regards*
> Fredrik
>

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