./bin/spark-submit --class org.apache.spark.examples.SparkPi --master yarn-client --driver-memory 512m --num-executors 2 --executor-memory 512m --executor-cores 2 hdfs://master:9000/user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar 10 Warning: Skip remote jar hdfs://master:9000/user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar. java.lang.ClassNotFoundException: org.apache.spark.examples.SparkPi at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.spark.util.Utils$.classForName(Utils.scala:174) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:689) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
------------------ ???????? ------------------ ??????: "Yash Sharma";<yash...@gmail.com>; ????????: 2016??6??22??(??????) ????2:28 ??????: "????????"<958943...@qq.com>; ????: "Saisai Shao"<sai.sai.s...@gmail.com>; "user"<user@spark.apache.org>; ????: Re: Could not find or load main class org.apache.spark.deploy.yarn.ExecutorLauncher Or better , try the master as yarn-cluster, ./bin/spark-submit \ --class org.apache.spark.examples.SparkPi \ --master yarn-cluster \ --driver-memory 512m \ --num-executors 2 \ --executor-memory 512m \ --executor-cores 2 \ hdfs://master:9000/user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar On Wed, Jun 22, 2016 at 4:27 PM, ???????? <958943...@qq.com> wrote: Is it able to run on local mode ? what mean?? standalone mode ? ------------------ ???????? ------------------ ??????: "Yash Sharma";<yash...@gmail.com>; ????????: 2016??6??22??(??????) ????2:18 ??????: "Saisai Shao"<sai.sai.s...@gmail.com>; ????: "????????"<958943...@qq.com>; "user"<user@spark.apache.org>; ????: Re: Could not find or load main class org.apache.spark.deploy.yarn.ExecutorLauncher Try providing the jar with the hdfs prefix. Its probably just because its not able to find the jar on all nodes. hdfs://master:9000/user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar Is it able to run on local mode ? On Wed, Jun 22, 2016 at 4:14 PM, Saisai Shao <sai.sai.s...@gmail.com> wrote: spark.yarn.jar(none)The location of the Spark jar file, in case overriding the default location is desired. By default, Spark on YARN will use a Spark jar installed locally, but the Spark jar can also be in a world-readable location on HDFS. This allows YARN to cache it on nodes so that it doesn't need to be distributed each time an application runs. To point to a jar on HDFS, for example, set this configuration to hdfs:///some/path. spark.yarn.jar is used for spark run-time system jar, which is spark assembly jar, not the application jar (example-assembly jar). So in your case you upload the example-assembly jar into hdfs, in which spark system jars are not packed, so ExecutorLaucher cannot be found. Thanks Saisai On Wed, Jun 22, 2016 at 2:10 PM, ???????? <958943...@qq.com> wrote: shihj@master:/usr/local/spark/spark-1.6.1-bin-hadoop2.6$ ./bin/spark-submit --class org.apache.spark.examples.SparkPi --master yarn-client --driver-memory 512m --num-executors 2 --executor-memory 512m --executor-cores 2 /user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar 10 Warning: Local jar /user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar does not exist, skipping. java.lang.ClassNotFoundException: org.apache.spark.examples.SparkPi at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.spark.util.Utils$.classForName(Utils.scala:174) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:689) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) get error at once ------------------ ???????? ------------------ ??????: "Yash Sharma";<yash...@gmail.com>; ????????: 2016??6??22??(??????) ????2:04 ??????: "????????"<958943...@qq.com>; ????: "user"<user@spark.apache.org>; ????: Re: Could not find or load main class org.apache.spark.deploy.yarn.ExecutorLauncher How about supplying the jar directly in spark submit - ./bin/spark-submit \ --class org.apache.spark.examples.SparkPi \ --master yarn-client \ --driver-memory 512m \ --num-executors 2 \ --executor-memory 512m \ --executor-cores 2 \ /user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar On Wed, Jun 22, 2016 at 3:59 PM, ???????? <958943...@qq.com> wrote: i config this para at spark-defaults.conf spark.yarn.jar hdfs://master:9000/user/shihj/spark_lib/spark-examples-1.6.1-hadoop2.6.0.jar then ./bin/spark-submit --class org.apache.spark.examples.SparkPi --master yarn-client --driver-memory 512m --num-executors 2 --executor-memory 512m --executor-cores 2 10: Error: Could not find or load main class org.apache.spark.deploy.yarn.ExecutorLauncher but i don't config that para ,there no error why???that para is only avoid Uploading resource file(jar package)??