[YARN-683] Class MiniYARNCluster not found when starting the minicluster

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.0.4-alpha, 3.0.0-alpha1

Environment

MacOSX 10.8.3 - Java 1.6.0_45

• Assignee: Unassigned
• Reporter: Rémy Saissy
• Created: 14/May/13 15:24
• Updated: 12/May/16 18:29
• Resolved: 15/Aug/15 06:21

Description

Starting the minicluster with the following command line:
bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.0.4-alpha-tests.jar minicluster -format

Fails for MiniYARNCluster with the following error:

13/05/14 17:06:58 INFO hdfs.MiniDFSCluster: Cluster is active
13/05/14 17:06:58 INFO mapreduce.MiniHadoopClusterManager: Started MiniDFSCluster – namenode on port 55205
java.lang.NoClassDefFoundError: org/apache/hadoop/yarn/server/MiniYARNCluster
at org.apache.hadoop.mapreduce.MiniHadoopClusterManager.start(MiniHadoopClusterManager.java:170)
at org.apache.hadoop.mapreduce.MiniHadoopClusterManager.run(MiniHadoopClusterManager.java:129)
at org.apache.hadoop.mapreduce.MiniHadoopClusterManager.main(MiniHadoopClusterManager.java:314)
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.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144)
at org.apache.hadoop.test.MapredTestDriver.run(MapredTestDriver.java:115)
at org.apache.hadoop.test.MapredTestDriver.main(MapredTestDriver.java:123)
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)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.yarn.server.MiniYARNCluster
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)
... 16 more

Issue Links

• is related to: HADOOP-9891 CLIMiniCluster instructions fail with MiniYarnCluster ClassNotFoundException