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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2014/11/20 10:34:33 UTC
[jira] [Commented] (SPARK-4492) Exception when following SimpleApp
tutorial java.lang.ClassNotFoundException:
org.apache.spark.deploy.yarn.YarnSparkHadoopUtil
[ https://issues.apache.org/jira/browse/SPARK-4492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14219171#comment-14219171 ]
Sean Owen commented on SPARK-4492:
----------------------------------
You don't run apps with "java -cp ..."; use spark-submit. You probably correctly do not package Spark in your .jar, but of course, this is one of many reasons it does not run as a stand-alone app. If so I think this is NotAProblem.
> Exception when following SimpleApp tutorial java.lang.ClassNotFoundException: org.apache.spark.deploy.yarn.YarnSparkHadoopUtil
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-4492
> URL: https://issues.apache.org/jira/browse/SPARK-4492
> Project: Spark
> Issue Type: Bug
> Reporter: sam
>
> When I follow the example here https://spark.apache.org/docs/1.0.2/quick-start.html and run with "java -cp my.jar my.main.Class" with master set to "yarn-client" I get the below exception.
> Exception in thread "main" java.lang.ExceptionInInitializerError
> at org.apache.spark.SparkContext.<init>(SparkContext.scala:228)
> at com.barclays.SimpleApp$.main(SimpleApp.scala:11)
> at com.barclays.SimpleApp.main(SimpleApp.scala)
> Caused by: org.apache.spark.SparkException: Unable to load YARN support
> at org.apache.spark.deploy.SparkHadoopUtil$.liftedTree1$1(SparkHadoopUtil.scala:106)
> at org.apache.spark.deploy.SparkHadoopUtil$.<init>(SparkHadoopUtil.scala:101)
> at org.apache.spark.deploy.SparkHadoopUtil$.<clinit>(SparkHadoopUtil.scala)
> ... 3 more
> Caused by: java.lang.ClassNotFoundException: org.apache.spark.deploy.yarn.YarnSparkHadoopUtil
> 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)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:169)
> at org.apache.spark.deploy.SparkHadoopUtil$.liftedTree1$1(SparkHadoopUtil.scala:102)
> ... 5 more
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