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From Carmen Manzulli <carmenmanzu...@gmail.com>
Subject Re: Couldn't instantiate
Date Tue, 08 Jul 2014 09:02:33 GMT
Hi John,
yes i've gotten the examples but the job failed.... this was my command:

bin/hadoop jar
/usr/local/giraph/giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-1.2.1-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner
org.apache.giraph.benchmark.ShortestPathsComputation -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat
-vip /user/hduser/Documento -vof
org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op
/user/hduser/outShortest -w 1

and this was the result

14/07/08 10:46:37 INFO utils.ConfigurationUtils: No edge input format
specified. Ensure your InputFormat does not require one.
14/07/08 10:46:37 INFO utils.ConfigurationUtils: No edge output format
specified. Ensure your OutputFormat does not require one.
Exception in thread "main" java.lang.IllegalArgumentException:
checkClassTypes: edge value types not assignable, computation - class
org.apache.hadoop.io.DoubleWritable, VertexInputFormat - class
org.apache.hadoop.io.DoubleWritable
    at
org.apache.giraph.job.GiraphConfigurationValidator.checkAssignable(GiraphConfigurationValidator.java:381)
    at
org.apache.giraph.job.GiraphConfigurationValidator.verifyVertexInputFormatGenericTypes(GiraphConfigurationValidator.java:230)
    at
org.apache.giraph.job.GiraphConfigurationValidator.validateConfiguration(GiraphConfigurationValidator.java:141)
    at
org.apache.giraph.utils.ConfigurationUtils.parseArgs(ConfigurationUtils.java:214)
    at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:74)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
    at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:124)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:160)

maybe i've some problem of configuration or there is something that i've
not understood yes (a lot XD !); Could you give any suggestions?


2014-07-05 12:55 GMT+02:00 John Yost <soozandjohnyost@gmail.com>:

> Hi Carmen,
>
> I think the ChildError is being thrown by Hadoop but the root cause is
> this NPE within the BspServiceMaster.   Unfortunately, I have not seen this
> exception situation and am not sure why you are getting the NPE.  It may be
> a data issue.  Quick question--have you gotten the examples like
> SimpleShortestPath to run?  Please confirm, thanks.
>
> --John
>
>
> On Wed, Jul 2, 2014 at 9:53 AM, Carmen Manzulli <carmenmanzulli@gmail.com>
> wrote:
>
>> i've red in the web that "error child" could mean this:
>> Possible reason: the memory allocated for the tasks trackers (sum of
>> mapred.*.child.java.opt in mapred-site.xml) is more than the nodes actual
>> memory .
>>
>>
>> 2014-07-02 15:52 GMT+02:00 Carmen Manzulli <carmenmanzulli@gmail.com>:
>>
>> ok course :) !
>>>
>>> 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)
>>>
>>> and from the command line:
>>>
>>>
>>> /../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
>>> 2014-07-02 15:49:17,492 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/hduser/jobcache/job_201407021315_0003/attempt_201407021315_0003_m_000000_0/work
>>> 2014-07-02 15:49:17,492 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/app/hadoop/tmp/mapred/local/taskTracker/hduser/jobcache/job_201407021315_0003/attempt_201407021315_0003_m_000000_0/work/tmp
>>> 2014-07-02 15:49:17,492 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.compiler=<NA>
>>> 2014-07-02 15:49:17,492 INFO org.apache.zookeeper.ZooKeeper: Client environment:os.name=Linux
>>> 2014-07-02 15:49:17,492 INFO org.apache.zookeeper.ZooKeeper: Client environment:os.arch=amd64
>>> 2014-07-02 15:49:17,492 INFO org.apache.zookeeper.ZooKeeper: Client environment:os.version=3.11.0-24-generic
>>> 2014-07-02 15:49:17,493 INFO org.apache.zookeeper.ZooKeeper: Client environment:user.name=hduser
>>> 2014-07-02 15:49:17,493 INFO org.apache.zookeeper.ZooKeeper: Client environment:user.home=/home/hduser
>>> 2014-07-02 15:49:17,493 INFO org.apache.zookeeper.ZooKeeper: Client environment:user.dir=/app/hadoop/tmp/mapred/local/taskTracker/hduser/jobcache/job_201407021315_0003/attempt_201407021315_0003_m_000000_0/work
>>> 2014-07-02 15:49:17,493 INFO org.apache.zookeeper.ZooKeeper: Initiating client
connection, connectString=carmen-HP-Pavilion-Sleekbook-15:22181 sessionTimeout=60000 watcher=org.apache.giraph.master.BspServiceMaster@465962c4
>>> 2014-07-02 15:49:17,509 INFO org.apache.zookeeper.ClientCnxn: Opening socket
connection to server carmen-HP-Pavilion-Sleekbook-15/127.0.1.1:22181. Will not attempt to
authenticate using SASL (unknown error)
>>> 2014-07-02 15:49:17,509 INFO org.apache.zookeeper.ClientCnxn: Socket connection
established to carmen-HP-Pavilion-Sleekbook-15/127.0.1.1:22181, initiating session
>>> 2014-07-02 15:49:17,515 INFO org.apache.zookeeper.ClientCnxn: Session establishment
complete on server carmen-HP-Pavilion-Sleekbook-15/127.0.1.1:22181, sessionid = 0x146f756106b0001,
negotiated timeout = 600000
>>> 2014-07-02 15:49:17,516 INFO org.apache.giraph.bsp.BspService: process: Asynchronous
connection complete.
>>> 2014-07-02 15:49:17,530 INFO org.apache.giraph.graph.GraphTaskManager: map: No
need to do anything when not a worker
>>> 2014-07-02 15:49:17,530 INFO org.apache.giraph.graph.GraphTaskManager: cleanup:
Starting for MASTER_ZOOKEEPER_ONLY
>>> 2014-07-02 15:49:17,561 INFO org.apache.giraph.bsp.BspService: getJobState: Job
state already exists (/_hadoopBsp/job_201407021315_0003/_masterJobState)
>>> 2014-07-02 15:49:17,568 INFO org.apache.giraph.master.BspServiceMaster: becomeMaster:
First child is '/_hadoopBsp/job_201407021315_0003/_masterElectionDir/carmen-HP-Pavilion-Sleekbook-15_00000000000'
and my bid is '/_hadoopBsp/job_201407021315_0003/_masterElectionDir/carmen-HP-Pavilion-Sleekbook-15_00000000000'
>>> 2014-07-02 15:49:17,570 INFO org.apache.giraph.bsp.BspService: getApplicationAttempt:
Node /_hadoopBsp/job_201407021315_0003/_applicationAttemptsDir already exists!
>>> 2014-07-02 15:49:17,625 INFO org.apache.giraph.comm.netty.NettyServer: NettyServer:
Using execution group with 8 threads for requestFrameDecoder.
>>> 2014-07-02 15:49:17,674 INFO org.apache.giraph.comm.netty.NettyServer: start:
Started server communication server: carmen-HP-Pavilion-Sleekbook-15/127.0.1.1:30000 with
up to 16 threads on bind attempt 0 with sendBufferSize = 32768 receiveBufferSize = 524288
>>> 2014-07-02 15:49:17,679 INFO org.apache.giraph.comm.netty.NettyClient: NettyClient:
Using execution handler with 8 threads after request-encoder.
>>> 2014-07-02 15:49:17,682 INFO org.apache.giraph.master.BspServiceMaster: becomeMaster:
I am now the master!
>>> 2014-07-02 15:49:17,684 INFO org.apache.giraph.bsp.BspService: getApplicationAttempt:
Node /_hadoopBsp/job_201407021315_0003/_applicationAttemptsDir already exists!
>>> 2014-07-02 15:49:17,717 ERROR org.apache.giraph.master.MasterThread: masterThread:
Master algorithm failed with NullPointerException
>>> java.lang.NullPointerException
>>> 	at org.apache.giraph.master.BspServiceMaster.generateInputSplits(BspServiceMaster.java:330)
>>> 	at org.apache.giraph.master.BspServiceMaster.createInputSplits(BspServiceMaster.java:619)
>>> 	at org.apache.giraph.master.BspServiceMaster.createVertexInputSplits(BspServiceMaster.java:686)
>>> 	at org.apache.giraph.master.MasterThread.run(MasterThread.java:108)
>>> 2014-07-02 15:49:17,718 FATAL org.apache.giraph.graph.GraphMapper: uncaughtException:
OverrideExceptionHandler on thread org.apache.giraph.master.MasterThread, msg = java.lang.NullPointerException,
exiting...
>>> java.lang.IllegalStateException: java.lang.NullPointerException
>>> 	at org.apache.giraph.master.MasterThread.run(MasterThread.java:193)
>>> Caused by: java.lang.NullPointerException
>>> 	at org.apache.giraph.master.BspServiceMaster.generateInputSplits(BspServiceMaster.java:330)
>>> 	at org.apache.giraph.master.BspServiceMaster.createInputSplits(BspServiceMaster.java:619)
>>> 	at org.apache.giraph.master.BspServiceMaster.createVertexInputSplits(BspServiceMaster.java:686)
>>> 	at org.apache.giraph.master.MasterThread.run(MasterThread.java:108)
>>> 2014-07-02 15:49:17,722 INFO org.apache.giraph.zk.ZooKeeperManager: run: Shutdown
hook started.
>>> 2014-07-02 15:49:17,727 WARN org.apache.giraph.zk.ZooKeeperManager: onlineZooKeeperServers:
Forced a shutdown hook kill of the ZooKeeper process.
>>> 2014-07-02 15:49:18,049 INFO org.apache.zookeeper.ClientCnxn: Unable to read
additional data from server sessionid 0x146f756106b0001, likely server has closed socket,
closing socket connection and attempting reconnect
>>> 2014-07-02 15:49:18,050 INFO org.apache.giraph.zk.ZooKeeperManager: onlineZooKeeperServers:
ZooKeeper process exited with 143 (note that 143 typically means killed).
>>>
>>>
>>>
>>>
>>> 2014-07-02 13:52 GMT+02:00 John Yost <soozandjohnyost@gmail.com>:
>>>
>>> Hi Carmen,
>>>>
>>>> Please post more of the exception stack trace, not enough here for me
>>>> to figure anything out. :)
>>>>
>>>> Thanks
>>>>
>>>> --John
>>>>
>>>>
>>>> On Wed, Jul 2, 2014 at 7:33 AM, <soozandjohnyost@gmail.com> wrote:
>>>>
>>>>> Hi Carmen,
>>>>>
>>>>> Glad that one problem is fixed, and I can take a look at this one as
>>>>> well.
>>>>>
>>>>> --John
>>>>>
>>>>> Sent from my iPhone
>>>>>
>>>>> On Jul 2, 2014, at 6:50 AM, Carmen Manzulli <carmenmanzulli@gmail.com>
>>>>> wrote:
>>>>>
>>>>>
>>>>> ok; i've done what you have told me...but now i've got this problem..
>>>>>
>>>>> ava.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)
>>>>>
>>>>> this is my Computation code:
>>>>> import org.apache.giraph.GiraphRunner;
>>>>> import org.apache.giraph.graph.BasicComputation;
>>>>> import org.apache.giraph.graph.Vertex;
>>>>> import org.apache.giraph.edge.Edge;
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> import org.apache.hadoop.io.Text;
>>>>> import org.apache.hadoop.io.NullWritable;
>>>>> import org.apache.hadoop.util.ToolRunner;
>>>>>
>>>>>
>>>>>
>>>>> public class SimpleSelectionComputation extends BasicComputation<Text,NullWritable,Text,NullWritable>
{
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 	
>>>>> @Override
>>>>> public void compute(Vertex<Text,NullWritable,Text> vertex,Iterable<NullWritable>
messages){
>>>>> 	
>>>>> 	
>>>>> 	Text source = new Text("http://dbpedia.org/resource/1040s");
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 	
>>>>> 	if (getSuperstep()==0)
>>>>> 	{
>>>>> 		if(vertex.getId()==source)
>>>>> 		{
>>>>> 			System.out.println("il soggetto "+vertex.getId()+" ha i seguenti predicati
e oggetti:");
>>>>> 			for(Edge<Text,Text> e : vertex.getEdges())
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 			{
>>>>> 				System.out.println(e.getValue()+"\t"+e.getTargetVertexId());
>>>>> 			}
>>>>> 		}
>>>>> 		vertex.voteToHalt();
>>>>> 	}
>>>>> 	
>>>>> }
>>>>>
>>>>> public static void main(String[] args) throws Exception {
>>>>>     System.exit(ToolRunner.run(new GiraphRunner(), args));
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>   }
>>>>>
>>>>> 	
>>>>> }
>>>>>
>>>>>
>>>>
>>>
>>
>

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