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From guojc <>
Subject Re: App master failed to find application jar in the master branch on YARN
Date Tue, 19 Nov 2013 11:35:16 GMT
Hi Tom,
   Thank you for your response. I  have double checked that I had upload
both jar in the same folder on hdfs. I think the <name></name>
you pointed out is the old deprecated name for fs.defaultFS config
 Anyway, we have tried both and  fs.defaultFS set to hdfs namenode, and the situation
remained same. And we have removed SPARK_HOME env variable on worker node.
 An additional information might be related is that job submission is done
on the same machine of hdfs namenode.  But I'm not sure this will cause the

Jiacheng Guo

On Tue, Nov 19, 2013 at 11:50 AM, Tom Graves <> wrote:

> Sorry for the delay. What is the default filesystem on your HDFS setup?
>  It looks like its set to file: rather then hdfs://.  That is the only
> reason I can think its listing the directory as  file:/home/work/.sparkStaging/application_1384588058297_0056.
>  Its basically just copying it local rather then uploading to hdfs and its
> just trying to use the local
> file:/home/work/guojiacheng/spark/assembly/target/scala-2.9.3/spark-assembly-0.9.0-incubating-SNAPSHOT-hadoop2.0.5-alpha.jar.
> It generally would create that in hdfs so it accessible on all the nodes.
>  Is your /home/work nfs mounted on all the nodes?
> You can find the default fs by looking at the Hadoop config files.
>  Generally in core-site.xml.  its specified by:         <name>
> Its pretty odd if those are its erroring with file:// when you specified
> hdfs://.
> when you tried the hdfs:// did you upload both the spark jar and your
> client jar (SparkAUC-assembly-0.1.jar)?  If not try that and make sure to
> put hdfs:// on them when you export SPARK_JAR and specify the --jar option.
> I'll try to reproduce the error tomorrow to see if a bug was introduced
> when I added the feature to run spark from HDFS.
> Tom
>   On Monday, November 18, 2013 11:13 AM, guojc <> wrote:
>  Hi Tom,
>    I'm on Hadoop 2.05.  I can launch application spark 0.8 release
> normally. However I switch to git master branch version with application
> built with it, I got the jar not found exception and same happens to the
> example application. I have tried both file:// protocol and hdfs://
> protocol with jar in local file system and hdfs respectively, and even
> tried jar list parameter when new spark context.  The exception is slightly
> different for hdfs protocol and local file path. My application launch
> command is
>  SPARK_JAR=/home/work/guojiacheng/spark/assembly/target/scala-2.9.3/spark-assembly-0.9.0-incubating-SNAPSHOT-hadoop2.0.5-alpha.jar
> /home/work/guojiacheng/spark/spark-class
>  org.apache.spark.deploy.yarn.Client --jar
> /home/work/guojiacheng/spark-auc/target/scala-2.9.3/SparkAUC-assembly-0.1.jar
> --class  myClass.SparkAUC --args -c --args yarn-standalone  --args -i
> --args hdfs://{hdfs_host}:9000/user/work/guojiacheng/data --args -m --args
> hdfs://{hdfs_host}:9000/user/work/guojiacheng/model_large --args -o --args
> hdfs://{hdfs_host}:9000/user/work/guojiacheng/score --num-workers 60
>  --master-memory 6g --worker-memory 7g --worker-cores 1
> And my build command is SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true
> sbt/sbt assembly
> Only thing I can think of might be related is on each cluster node, it has
> a env SPARK_HOME point to a copy of 0.8 version's position, and its bin
> fold is in Path environment variable. And 0.9 version is not there.  It was
> something left over, when cluster was setup.  But I don't know whether it
> is related, as my understand is the yarn version try to distribute spark
> through yarn.
> hdfs version error message:
>          appDiagnostics: Application application_1384588058297_0056 failed
> 1 times due to AM Container for appattempt_1384588058297_0056_000001 exited
> with  exitCode: -1000 due to: RemoteTrace:
> File
> file:/home/work/.sparkStaging/application_1384588058297_0056/SparkAUC-assembly-0.1.jar
> does not exist
> local version error message.
> appDiagnostics: Application application_1384588058297_0066 failed 1 times
> due to AM Container for appattempt_1384588058297_0066_000001 exited with
>  exitCode: -1000 due to: File
> file:/home/work/guojiacheng/spark/assembly/target/scala-2.9.3/spark-assembly-0.9.0-incubating-SNAPSHOT-hadoop2.0.5-alpha.jar
> does not exist
> Best Regards,
> Jiacheng GUo
> On Mon, Nov 18, 2013 at 10:34 PM, Tom Graves <> wrote:
> Hey Jiacheng Guo,
> do you have SPARK_EXAMPLES_JAR env variable set?  If you do, you have to
> add the --addJars parameter to the yarn client and point to the spark
> examples jar.  Or just unset SPARK_EXAMPLES_JAR env variable.
> You should only have to set SPARK_JAR env variable.
> If that isn't the issue let me know the build command you used and hadoop
> version, and your defaultFs or hadoop.
> Tom
>   On Saturday, November 16, 2013 2:32 AM, guojc <> wrote:
>  hi,
>    After reading about the exiting progress in consolidating shuffle, I'm
> eager to trying out the last master branch. However up to launch the
> example application, the job failed with prompt the app master failed to
> find the target jar. appDiagnostics: Application
> application_1384588058297_0017 failed 1 times due to AM Container for
> appattempt_1384588058297_0017_000001 exited with  exitCode: -1000 due to:
> File
> file:/${my_work_dir}/spark/examples/target/scala-2.9.3/spark-examples-assembly-0.9.0-incubating-SNAPSHOT.jar
> does not exist.
>   Is there any change on how to launch a yarn job now?
> Best Regards,
> Jiacheng Guo

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