Main Console - PageRankBenchmark Reducer stuck at 0%

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/local/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/hadoop/share/hadoop/mapreduce/giraph-examples-1.1.0-for-hadoop-2.4.0-jar-with-dependencies.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]
15/03/24 12:32:15 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
15/03/24 12:32:15 INFO Configuration.deprecation: mapreduce.job.counters.limit is deprecated. Instead, use mapreduce.job.counters.max
15/03/24 12:32:15 INFO Configuration.deprecation: mapred.job.map.memory.mb is deprecated. Instead, use mapreduce.map.memory.mb
15/03/24 12:32:15 INFO Configuration.deprecation: mapred.job.reduce.memory.mb is deprecated. Instead, use mapreduce.reduce.memory.mb
15/03/24 12:32:15 INFO Configuration.deprecation: mapred.map.tasks.speculative.execution is deprecated. Instead, use mapreduce.map.speculative
15/03/24 12:32:15 INFO Configuration.deprecation: mapreduce.user.classpath.first is deprecated. Instead, use mapreduce.job.user.classpath.first
15/03/24 12:32:15 INFO Configuration.deprecation: mapred.map.max.attempts is deprecated. Instead, use mapreduce.map.maxattempts
15/03/24 12:32:15 INFO job.GiraphJob: run: Since checkpointing is disabled (default), do not allow any task retries (setting mapred.map.max.attempts = 0, old value = 4)
15/03/24 12:32:16 INFO Configuration.deprecation: mapred.job.tracker is deprecated. Instead, use mapreduce.jobtracker.address
15/03/24 12:32:16 INFO client.RMProxy: Connecting to ResourceManager at localhost/127.0.0.1:8050
15/03/24 12:32:16 WARN bsp.BspOutputFormat: checkOutputSpecs: ImmutableOutputCommiter will not check anything
15/03/24 12:32:18 INFO mapreduce.JobSubmitter: number of splits:2
15/03/24 12:32:19 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1427210597337_0001
15/03/24 12:32:19 INFO impl.YarnClientImpl: Submitted application application_1427210597337_0001
15/03/24 12:32:19 INFO mapreduce.Job: The url to track the job: http://localhost:8088/proxy/application_1427210597337_0001/
15/03/24 12:32:19 INFO job.GiraphJob: Tracking URL: http://localhost:8088/proxy/application_1427210597337_0001/
15/03/24 12:32:19 INFO job.GiraphJob: Waiting for resources... Job will start only when it gets all 2 mappers
15/03/24 12:32:42 INFO job.HaltApplicationUtils$DefaultHaltInstructionsWriter: writeHaltInstructions: To halt after next superstep execute: 'bin/halt-application --zkServer localhost:22181 --zkNode /_hadoopBsp/job_1427210597337_0001/_haltComputation'
15/03/24 12:32:42 INFO mapreduce.Job: Running job: job_1427210597337_0001
15/03/24 12:32:43 INFO mapreduce.Job: Job job_1427210597337_0001 running in uber mode : false
15/03/24 12:32:43 INFO mapreduce.Job:  map 100% reduce 0%
15/03/24 12:32:58 INFO mapreduce.Job: Job job_1427210597337_0001 completed successfully
15/03/24 12:32:58 INFO mapreduce.Job: Counters: 55
	File System Counters
		FILE: Number of bytes read=0
		FILE: Number of bytes written=188770
		FILE: Number of read operations=0
		FILE: Number of large read operations=0
		FILE: Number of write operations=0
		HDFS: Number of bytes read=88
		HDFS: Number of bytes written=0
		HDFS: Number of read operations=19
		HDFS: Number of large read operations=0
		HDFS: Number of write operations=11
	Job Counters
		Launched map tasks=2
		Other local map tasks=2
		Total time spent by all maps in occupied slots (ms)=45142
		Total time spent by all reduces in occupied slots (ms)=0
		Total time spent by all map tasks (ms)=45142
		Total vcore-seconds taken by all map tasks=45142
		Total megabyte-seconds taken by all map tasks=46225408
	Map-Reduce Framework
		Map input records=2
		Map output records=0
		Input split bytes=88
		Spilled Records=0
		Failed Shuffles=0
		Merged Map outputs=0
		GC time elapsed (ms)=182
		CPU time spent (ms)=6230
		Physical memory (bytes) snapshot=377528320
		Virtual memory (bytes) snapshot=1769377792
		Total committed heap usage (bytes)=196083712
	Giraph Stats
		Aggregate edges=1000
		Aggregate finished vertices=1000
		Aggregate sent message message bytes=40125
		Aggregate sent messages=5000
		Aggregate vertices=1000
		Current master task partition=0
		Current workers=1
		Last checkpointed superstep=0
		Sent message bytes=0
		Sent messages=0
		Superstep=6
	Giraph Timers
		Initialize (ms)=2953
		Input superstep (ms)=949
		Setup (ms)=152
		Shutdown (ms)=8436
		Superstep 0 PageRankComputation (ms)=722
		Superstep 1 PageRankComputation (ms)=895
		Superstep 2 PageRankComputation (ms)=456
		Superstep 3 PageRankComputation (ms)=964
		Superstep 4 PageRankComputation (ms)=1470
		Superstep 5 PageRankComputation (ms)=697
		Total (ms)=14766
	Zookeeper base path
		/_hadoopBsp/job_1427210597337_0001=0
	Zookeeper halt node
		/_hadoopBsp/job_1427210597337_0001/_haltComputation=0
	Zookeeper server:port
		localhost:22181=0
	File Input Format Counters
		Bytes Read=0
	File Output Format Counters
		Bytes Written=0