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From Mohammad Islam <misla...@yahoo.com>
Subject Re: GiraphApplicationMaster not found (WAS: Giraph and Hadoop 2.2.0)
Date Mon, 18 Nov 2013 22:24:16 GMT
I used the following shell script to run PR where my current working directory contains the
graph*.jar in Hadoop 2.1.1.
. You can try something similar.



HAD_VERSION=2.1.1-SNAPSHOT
hadoop fs -rmr out
export GIRAPH_HOME=/home/mislam/softwares/giraph
#export GIRAPH_CORE=$GIRAPH_HOME/giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-$HAD_VERSION-jar-with-dependencies.jar
#export GIRAPH_EXAMPLE=$GIRAPH_HOME/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-$HAD_VERSION-jar-with-dependencies.jar


CLASSPATH=$CLASSPATH:$GIRAPH_HOME/conf
#CLASSPATH=$CLASSPATH:$GIRAPH_CORE
#CLASSPATH=$CLASSPATH:$GIRAPH_EXAMPLE

export CLASSPATH=$CLASSPATH
export HADOOP_CLASSPATH=$HADOOP_CLASSPATH:$CLASSPATH

echo $HADOOP_CLASSPATH


hadoop --config $HADOOP_HOME/etc/hadoop jar giraph-examples-1.1.0-SNAPSHOT-for-hadoop-$HAD_VERSION-jar-with-dependencies.jar
 org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimplePageRankComputation -c org.apache.giraph.combiner.DoubleSumCombiner
-w 1 -yh 1024 -yj giraph-examples-1.1.0-SNAPSHOT-for-hadoop-$HAD_VERSION-jar-with-dependencies.jar
-vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat
-mc org.apache.giraph.examples.SimplePageRankComputation\$SimplePageRankMasterCompute -vip
input -op out



On Monday, November 18, 2013 2:24 AM, Rob Vesse <rvesse@dotnetrdf.org> wrote:
 
Hey all

Bumping this thread because I am still completely blocked on this and hoping someone can help
me.  As explained earlier in the thread I have Giraph built for pure YARN on stable Hadoop
2.2.0 release like so:

mvn –Phadoop_yarn –Dhadoop.version=2.2.0 –DskipTests=true clean install

But when I try and run the simple shortest paths demo like so:

$> bin/hadoop jar /Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimpleShortestPathsComputation -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /user/rvesse/tiny_graph.txt
-vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /user/rvesse/shortestpaths
-w 1 -yj /Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar

The application fails and the YARN logs show the following error:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/giraph/yarn/GiraphApplicationMaster
Caused by: java.lang.ClassNotFoundException: org.apache.giraph.yarn.GiraphApplicationMaster
at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native
Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

Any ideas why the GiraphApplicationMaster would not be found?  Have Ijust got something basic
wrong in my configuration or is this a bug in Giraph?

Ifound an earlier thread on the same topic (http://mail-archives.apache.org/mod_mbox/giraph-user/201307.mbox/%3c51E5A4D1.40006@googlemail.com%3e)but
it was never resolved hence why Ihave now changed the topic in the hope it will jog someone's
memory

Cheers,

Rob

From:  Rob Vesse <rvesse@dotnetrdf.org>
Reply-To:  <user@giraph.apache.org>
Date:  Friday, 15 November 2013 14:14
To:  <user@giraph.apache.org>
Subject:  Re: Giraph and Hadoop 2.2.0


Adding the –yj argument to specify the YARN JARs doesn't make any difference.
>
>
>Here is the complete console output from my run:
>
>
>bin/hadoop jar /Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimpleShortestPathsComputation -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /user/rvesse/tiny_graph.txt
-vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /user/rvesse/shortestpaths/3
-w 1 -yj /Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
>2013-11-15 14:11:22.897 java[4877:1203] Unable to load realm info from SCDynamicStore
>13/11/15 14:11:22 WARN util.NativeCodeLoader: Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
>13/11/15 14:11:24 INFO utils.ConfigurationUtils: No edge input format specified. Ensure
your InputFormat does not require one.
>13/11/15 14:11:24 INFO utils.ConfigurationUtils: No edge output format specified. Ensure
your OutputFormat does not require one.
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Final output path is: hdfs://localhost/user/rvesse/shortestpaths/3
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Running Client
>13/11/15 14:11:24 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Got node report from ASM for, nodeId=mbp-rvesse.home:49981,
nodeAddressmbp-rvesse.home:8042, nodeRackName/default-rack, nodeNumContainers0
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Defaulting per-task heap size to 1024MB.
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Obtained new Application ID: application_1384523910015_0004
>13/11/15 14:11:24 INFO Configuration.deprecation: mapred.job.id is deprecated. Instead,
use mapreduce.job.id
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Set the environment for the application
master
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: Environment for AM :{CLASSPATH=${CLASSPATH}:./*:$HADOOP_CONF_DIR:$HADOOP_COMMON_HOME/share/hadoop/common/*:$HADOOP_COMMON_HOME/share/hadoop/common/lib/*:$HADOOP_HDFS_HOME/share/hadoop/hdfs/*:$HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*:$HADOOP_YARN_HOME/share/hadoop/yarn/*:$HADOOP_YARN_HOME/share/hadoop/yarn/lib/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*,$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*}
>13/11/15 14:11:24 INFO yarn.GiraphYarnClient: buildLocalResourceMap ....
>13/11/15 14:11:24 INFO Configuration.deprecation: mapred.output.dir is deprecated. Instead,
use mapreduce.output.fileoutputformat.outputdir
>13/11/15 14:11:25 INFO yarn.YarnUtils: Registered file in LocalResources :: hdfs://localhost/user/rvesse/giraph_yarn_jar_cache/application_1384523910015_0004/giraph-conf.xml
>13/11/15 14:11:25 INFO yarn.GiraphYarnClient: LIB JARS :/Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name .
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking .
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name null
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking null
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/etc/hadoop
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/etc/hadoop
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/common/lib/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/common/lib
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/common/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/common
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/hdfs
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/hdfs
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/hdfs/lib/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/hdfs/lib
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/hdfs/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/hdfs
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/yarn/lib/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/yarn/lib
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/yarn/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/yarn
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/mapreduce/lib/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/mapreduce/lib
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/mapreduce/*
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /Users/rvesse/Documents/Apps/hadoop-2.2.0/share/hadoop/mapreduce
>13/11/15 14:11:25 INFO yarn.YarnUtils: Class path name /contrib/capacity-scheduler/*.jar
>13/11/15 14:11:25 INFO yarn.YarnUtils: base path checking /contrib/capacity-scheduler
>13/11/15 14:11:25 INFO yarn.GiraphYarnClient: ApplicationSumbissionContext for GiraphApplicationMaster
launch container is populated.
>13/11/15 14:11:25 INFO yarn.GiraphYarnClient: Submitting application to ASM
>13/11/15 14:11:25 INFO impl.YarnClientImpl: Submitted application application_1384523910015_0004
to ResourceManager at /0.0.0.0:8032
>13/11/15 14:11:25 INFO yarn.GiraphYarnClient: Got new appId after submission :application_1384523910015_0004
>13/11/15 14:11:25 INFO yarn.GiraphYarnClient: GiraphApplicationMaster container request
was submitted to ResourceManager for job: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation
>13/11/15 14:11:26 INFO yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation,
Elapsed: 0.82 secs
>13/11/15 14:11:26 INFO yarn.GiraphYarnClient: appattempt_1384523910015_0004_000001, State:
ACCEPTED, Containers used: 1
>13/11/15 14:11:29 ERROR yarn.GiraphYarnClient: Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation
reports FAILED state, diagnostics show: Application application_1384523910015_0004 failed
2 times due to AM Container for appattempt_1384523910015_0004_000002 exited with  exitCode:
1 due to: Exception from container-launch: 
>org.apache.hadoop.util.Shell$ExitCodeException: 
>at org.apache.hadoop.util.Shell.runCommand(Shell.java:464)
>at org.apache.hadoop.util.Shell.run(Shell.java:379)
>at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:589)
>at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:195)
>at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:283)
>at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:79)
>at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>at java.lang.Thread.run(Thread.java:695)
>
>
>
>
>.Failing this attempt.. Failing the application.
>13/11/15 14:11:29 INFO yarn.GiraphYarnClient: Cleaning up HDFS distributed cache directory
for Giraph job.
>13/11/15 14:11:29 INFO yarn.GiraphYarnClient: Completed Giraph: org.apache.giraph.examples.SimpleShortestPathsComputation:
FAILED, total running time: 0 minutes, 3 seconds.
>
>
>And I see the same error in the logs:
>
>
>Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/giraph/yarn/GiraphApplicationMaster
Caused by: java.lang.ClassNotFoundException: org.apache.giraph.yarn.GiraphApplicationMaster
at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native
Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>
>
>Any more ideas?
>
>
>Rob
>
>
>From:  Mohammad Islam <mislam77@yahoo.com>
>Reply-To:  <user@giraph.apache.org>
>Date:  Thursday, 14 November 2013 20:36
>To:  "user@giraph.apache.org" <user@giraph.apache.org>
>Subject:  Re: Giraph and Hadoop 2.2.0
>
>
>
>I tried the following command few months back. I found you are not passing some params.
>>
>>
>>bin/hadoop --config etc/hadoop jar /export/home/clei/giraph/giraph-1.0.0/giraph-examples/target/giraph-examples-1.?.0-for-hadoop-???-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimplePageRankVertexOpt -c org.apache.giraph.combiner.DoubleSumCombiner
-w 35 -yh 20480 -yj giraph-examples-1.?.?-for-hadoop-2.??-jar-with-dependencies.jar -vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat
-of org.apache.giraph.io.formats.IdWithValueTextOutputFormat -vip /user/me/input -op /user/me/output_35w_20G_80m_1
>>
>>
>>
>>
>>On Thursday, November 14, 2013 3:22 AM, Rob Vesse <rvesse@dotnetrdf.org> wrote:
>> 
>>It's the same command line I showed earlier, just trying to run the example application:
>>
>>
>>mbp-rvesse:hadoop-2.2.0 rvesse$ bin/hadoop jar /Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimpleShortestPathsComputation -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /user/rvesse/tiny_graph.txt
-vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /user/rvesse/shortestpaths/2
-w 1
>>
>>
>>Rob
>>
>>
>>From:  Mohammad Islam <mislam77@yahoo.com>
>>Reply-To:  <user@giraph.apache.org>
>>Date:  Thursday, 14 November 2013 05:57
>>To:  "user@giraph.apache.org" <user@giraph.apache.org>
>>Subject:  Re: Giraph and Hadoop 2.2.0
>>
>>
>>
>>What are you running? PR?
>>>What is the command line?
>>>
>>>
>>>
>>>
>>>
>>>On Wednesday, November 13, 2013 8:30 AM, Rob Vesse <rvesse@dotnetrdf.org>
wrote:
>>> 
>>>So I fixed the previous issue I was having which I reported and submitted a patch
as GIRAPH-795
>>>
>>>
>>>I then went ahead with installing and configuring my external Zookeeper appropriately
and tried running again but now the YARN application fails and I find the following error
in the logs:
>>>
>>>
>>>Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/giraph/yarn/GiraphApplicationMaster
Caused by: java.lang.ClassNotFoundException: org.apache.giraph.yarn.GiraphApplicationMaster
at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native
Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>>>
>>>
>>>Anybody have idea what the cause of this one might be or how to fix it?
>>>
>>>
>>>Cheers,
>>>
>>>
>>>Rob
>>>
>>>
>>>From:  Rob Vesse <rvesse@dotnetrdf.org>
>>>Reply-To:  <user@giraph.apache.org>
>>>Date:  Wednesday, 13 November 2013 15:35
>>>To:  <user@giraph.apache.org>
>>>Subject:  Re: Giraph and Hadoop 2.2.0
>>>
>>>
>>>
>>>Mohammad
>>>>
>>>>
>>>>This got me a build that at least attempts to start to run but not I see the
following:
>>>>
>>>>
>>>>mbp-rvesse:hadoop-2.2.0 rvesse$ bin/hadoop jar /Users/rvesse/Documents/Work/Code/giraph/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
org.apache.giraph.GiraphRunner org.apache.giraph.examples.SimpleShortestPathsComputation -vif
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip /user/rvesse/tiny_graph.txt
-vof org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op /user/rvesse/shortestpaths/2
-w 1
>>>>2013-11-13 15:13:29.908 java[17402:1203] Unable to load realm info from SCDynamicStore
>>>>13/11/13 15:13:29 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
>>>>13/11/13 15:13:31 INFO utils.ConfigurationUtils: No edge input format specified.
Ensure your InputFormat does not require one.
>>>>13/11/13 15:13:31 INFO utils.ConfigurationUtils: No edge output format specified.
Ensure your OutputFormat does not require one.
>>>>13/11/13 15:13:31 INFO yarn.GiraphYarnClient: Final output path is: hdfs://localhost/user/rvesse/shortestpaths/2
>>>>Exception in thread "main" java.lang.NullPointerException
>>>>at org.apache.giraph.yarn.GiraphYarnClient.checkJobLocalZooKeeperSupported(GiraphYarnClient.java:460)
>>>>at org.apache.giraph.yarn.GiraphYarnClient.run(GiraphYarnClient.java:116)
>>>>at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:96)
>>>>at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>>>>at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
>>>>at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:126)
>>>>at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>at java.lang.reflect.Method.invoke(Method.java:597)
>>>>at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
>>>>
>>>>
>>>>Which indirectly implies that I have some missing configuration to run Giraph
on YARN.  I don't think that should be a NPE and it looks to be a trivial fix so I'll try
and fix and send a pull request for that.
>>>>
>>>>
>>>>The error message I should receive if the NPE wasn't happening is the following:
>>>>
>>>>
>>>>Giraph on YARN does not currentlysupport Giraph-managed ZK instances: use
a standalone ZooKeeper.
>>>>
>>>>
>>>>What configuration options do I need to have set to point Giraph at an external
Zookeeper?
>>>>
>>>>
>>>>Cheers,
>>>>
>>>>
>>>>Rob
>>>>
>>>>
>>>>From:  Mohammad Islam <mislam77@yahoo.com>
>>>>Reply-To:  <user@giraph.apache.org>
>>>>Date:  Wednesday, 13 November 2013 11:15
>>>>To:  "user@giraph.apache.org" <user@giraph.apache.org>
>>>>Subject:  Re: Giraph and Hadoop 2.2.0
>>>>
>>>>
>>>>
>>>>Hi Rob,
>>>>>Did you try with this command "mvn -Phadoop_yarn -Dhadoop.version=2.2.0
clean package -DskipTests"?
>>>>>Regards,
>>>>>Mohammad
>>>>>
>>>>>
>>>>>
>>>>>On Wednesday, November 13, 2013 2:55 AM, Rob Vesse <rvesse@dotnetrdf.org>
wrote:
>>>>> 
>>>>>Hi all
>>>>>
>>>>>
>>>>>I'm having trouble getting Giraph to build and run against a Hadoop 2.2.0
installation.  I tried the hadoop_2.0.3 profile with no luck because I get class cast errors
when trying to run the examples.
>>>>>
>>>>>
>>>>>Is there a specific profile I should be building to support Hadoop 2.2.0
or is this not supported yet?
>>>>>
>>>>>
>>>>>Thanks,
>>>>>
>>>>>
>>>>>Rob
>>>>>
>>>>>
>>>
>>>
>>
>>
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