[ https://issues.apache.org/jira/browse/OOZIE-2941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16047951#comment-16047951 ]
Peter Cseh commented on OOZIE-2941: ----------------------------------- Thanks for looking into this! This failure is strange. The MR action should have the MR jars on it's classpath just like it had before. https://github.com/apache/oozie/blob/master/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java#L1090 https://github.com/apache/oozie/blob/master/core/src/main/java/org/apache/oozie/action/hadoop/MapReduceActionExecutor.java#L346 > Old map-reduce workflow example can't work with OYA > --------------------------------------------------- > > Key: OOZIE-2941 > URL: https://issues.apache.org/jira/browse/OOZIE-2941 > Project: Oozie > Issue Type: Sub-task > Components: workflow > Affects Versions: trunk > Reporter: Dongying Jiao > Attachments: RM_UI.jpg > > > map-reduce workflow in Oozie examples run failed after OYA merged. The > exception in yarn log is: > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/hadoop/mapred/Mapper > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:763) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) > at java.net.URLClassLoader.access$100(URLClassLoader.java:73) > at java.net.URLClassLoader$1.run(URLClassLoader.java:368) > at java.net.URLClassLoader$1.run(URLClassLoader.java:362) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:361) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > at > org.apache.oozie.action.hadoop.LauncherAM.getMainArguments(LauncherAM.java:540) > at org.apache.oozie.action.hadoop.LauncherAM.run(LauncherAM.java:170) > at org.apache.oozie.action.hadoop.LauncherAM.main(LauncherAM.java:148) > Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.mapred.Mapper > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ... 15 more -- This message was sent by Atlassian JIRA (v6.4.14#64029)