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From Eli Reisman <apache.mail...@gmail.com>
Subject Re: Shortest path Error
Date Thu, 14 Mar 2013 19:30:12 GMT
use -vip or -eip for Vertex or Edge in formats, not -if anymore. Enjoy!



On Thu, Mar 14, 2013 at 7:03 AM, Wasim Mohammad <wasim.mzr@gmail.com> wrote:

>
> Hi,
>>    I have just started with apache giraph. While trying to run shortest
>> path example.
>>
>>
>> hadoop jar
>> giraph-0.2-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar
>> org.apache.giraph.GiraphRunner
>> org.apache.giraph.examples.ConnectedComponentsVertex -if
>> org.apache.giraph.io.JsonBase64VertexOutputFormat -ip
>> /user/bageera/shortestPathsInputGraph/  -of
>> org.apache.giraph.io.JsonBase64VertexOutputFormat -op SPOG13 0 -w 3
>>
>>
>>   I am getting the following error at master node.
>>
>> java.lang.Throwable: Child Error
>> 	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
>> Caused by: java.io.IOException: Task process exit with nonzero status of 1.
>> 	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)
>>
>>
>>
>> *syslog logs*
>>
>> askTracker/bageera/jobcache/job_201303141821_0004/attempt_201303141821_0004_m_000000_0/work
>> 2013-03-14 18:40:49,926 INFO org.apache.zookeeper.ZooKeeper: Initiating client connection,
connectString=Nintendo:22181 sessionTimeout=60000 watcher=org.apache.giraph.graph.BspServiceMaster@1a0fba0
>> 2013-03-14 18:40:49,935 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection
to server Nintendo/10.129.30.126:22181
>> 2013-03-14 18:40:49,936 INFO org.apache.zookeeper.ClientCnxn: Socket connection established
to Nintendo/10.129.30.126:22181, initiating session
>> 2013-03-14 18:40:50,001 INFO org.apache.zookeeper.ClientCnxn: Session establishment
complete on server Nintendo/10.129.30.126:22181, sessionid = 0x13d690633dc0000, negotiated
timeout = 600000
>> 2013-03-14 18:40:50,003 INFO org.apache.giraph.graph.BspService: process: Asynchronous
connection complete.
>> 2013-03-14 18:40:50,007 INFO org.apache.giraph.graph.GraphMapper: map: No need to
do anything when not a worker
>> 2013-03-14 18:40:50,007 INFO org.apache.giraph.graph.GraphMapper: cleanup: Starting
for MASTER_ZOOKEEPER_ONLY
>> 2013-03-14 18:40:50,106 INFO org.apache.giraph.graph.BspServiceMaster: becomeMaster:
First child is '/_hadoopBsp/job_201303141821_0004/_masterElectionDir/Nintendo_00000000000'
and my bid is '/_hadoopBsp/job_201303141821_0004/_masterElectionDir/Nintendo_00000000000'
>> 2013-03-14 18:40:50,163 INFO org.apache.giraph.comm.netty.NettyServer: NettyServer:
Using execution handler with 8 threads after requestFrameDecoder.
>> 2013-03-14 18:40:50,169 INFO org.apache.giraph.graph.BspService: process: applicationAttemptChanged
signaled
>> 2013-03-14 18:40:50,187 INFO org.apache.giraph.comm.netty.NettyServer: start: Started
server communication server: Nintendo/10.129.30.126:30000 with up to 16 threads on bind attempt
0 with sendBufferSize = 32768 receiveBufferSize = 524288 backlog = 2
>> 2013-03-14 18:40:50,190 INFO org.apache.giraph.comm.netty.NettyClient: NettyClient:
Using execution handler with 8 threads after requestEncoder.
>> 2013-03-14 18:40:50,193 INFO org.apache.giraph.graph.BspServiceMaster: becomeMaster:
I am now the master!
>> 2013-03-14 18:40:50,218 INFO org.apache.giraph.graph.BspService: getApplicationAttempt:
Node /_hadoopBsp/job_201303141821_0004/_applicationAttemptsDir already exists!
>> 2013-03-14 18:40:50,251 WARN org.apache.giraph.graph.BspService: process: Unknown
and unprocessed event (path=/_hadoopBsp/job_201303141821_0004/_applicationAttemptsDir/0/_superstepDir,
type=NodeChildrenChanged, state=SyncConnected)
>> 2013-03-14 18:40:52,936 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
>> 2013-03-14 18:40:52,937 INFO org.apache.giraph.zk.ZooKeeperManager: run: Shutdown
hook started.
>> 2013-03-14 18:40:52,937 WARN org.apache.giraph.zk.ZooKeeperManager: onlineZooKeeperServers:
Forced a shutdown hook kill of the ZooKeeper process.
>> 2013-03-14 18:40:53,255 INFO org.apache.giraph.zk.ZooKeeperManager: onlineZooKeeperServers:
ZooKeeper process exited with 143 (note that 143 typically means killed)
>>
>>
>>
>> This is the most common error people are getting but I am unable to find
>> the solution.
>> Plz help.
>>
>> Thanks,
>> M.Vasimuddin
>>
>>
>>
>

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