Hi Tommy On Sun, Jul 30, 2017 at 9:37 PM, tommy xiao <xia...@gmail.com> wrote:
> why not use Myriad? > > https://cwiki.apache.org/confluence/display/MYRIAD/Myriad+Home > I'm in doubt about the future of this project. I'm told it's likely to be discontinued soon due to the lack of contributors. In any case - have you perhaps seen a successful deployment of this ? > > > > 2017-07-23 17:27 GMT+08:00 Traiano Welcome <trai...@gmail.com>: > >> >> 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.JobQu >> eueTaskScheduler >> >> 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.JobQu >> eueTaskScheduler >> >> 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 >
