why not use Myriad? https://cwiki.apache.org/confluence/display/MYRIAD/Myriad+Home
2017-07-23 17:27 GMT+08:00 Traiano Welcome <[email protected]>: > > Hi List! > > I'm working on configuring hadoop to use the mesos scheduler, using the > procedure outlined in "Apache Mesos Essentials" here: > > https://pastebin.com/y1ERJZqq > > Currently I've a 3 node mesos cluster, with an HDFS namenode communicating > successfully with two HDFS data nodes. However, when I try to start up the > jobtracker it fails with the following error: > > 17/07/22 18:44:38 FATAL mapred.MesosScheduler: Failed to initialize the > TaskScheduler > java.lang.ClassNotFoundException: org.apache.hadoop.mapred. > JobQueueTaskScheduler > > Some more context around the error: > > 17/07/22 18:44:38 INFO mapred.CompletedJobStatusStore: Completed job > store is inactive > 17/07/22 18:44:38 FATAL mapred.MesosScheduler: Failed to initialize the > TaskScheduler > java.lang.ClassNotFoundException: org.apache.hadoop.mapred. > JobQueueTaskScheduler > > at java.net.URLClassLoader$1.run(URLClassLoader.java:359) > at java.net.URLClassLoader$1.run(URLClassLoader.java:348) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:347) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:312) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:195) > at org.apache.hadoop.mapred.MesosScheduler.start( > MesosScheduler.java:160) > at org.apache.hadoop.mapred.JobTracker.offerService( > JobTracker.java:2186) > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4548) > 17/07/22 18:44:38 INFO mapred.JobTracker: SHUTDOWN_MSG: > > Is there some way I could debug this further to trace the root cause of > this error? > > Here is a full paste of the debug output when starting up the jobtracker: > > https://pastebin.com/a61wN4vQ > > > -- Deshi Xiao Twitter: xds2000 E-mail: xiaods(AT)gmail.com
