Send the constructor of AdaptiveScheduler... Check the constructor and the "start()" method of your scheduler...
In the start() there is something you are missing.. Regards, Som Shekhar Sharma +91-8197243810 On Sat, Jul 20, 2013 at 11:53 AM, Hamedreza Berenjian < hamedreza_berenj...@yahoo.com> wrote: > Hi, > I have a jar file from a hadoop scheduler(AdaptiveScheduler=resource aware > slotless adaptive scheduler).I'm sure that this jar file works properly.I > set the required properties in mapred-site.xml correctly, and I put the > adaptivescheduler.jar file in the library of hadoop.but when I start my > cluster,(using this command: bin/start-all.sh),jobtracker doesn't run.the > error is: > > 2013-07-17 06:07:18,631 INFO org.apache.hadoop.mapred.JobTracker: > STARTUP_MSG: > /************************************************************ > STARTUP_MSG: Starting JobTracker > STARTUP_MSG: host = master/192.168.0.112 > STARTUP_MSG: args = [] > STARTUP_MSG: version = 0.20.203.0 > STARTUP_MSG: build = > http://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security-203-r > 1099333; compiled by 'oom' on Wed May 4 07:57:50 PDT 2011 > ************************************************************/ > 2013-07-17 06:07:19,349 INFO > org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from > hadoop-metrics2.properties > 2013-07-17 06:07:19,361 INFO > org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source > MetricsSystem,sub=Stats registered. > 2013-07-17 06:07:19,362 INFO > org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot > period at 10 second(s). > 2013-07-17 06:07:19,362 INFO > org.apache.hadoop.metrics2.impl.MetricsSystemImpl: JobTracker metrics > system started > 2013-07-17 06:07:20,585 INFO > org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi > registered. > 2013-07-17 06:07:20,588 WARN > org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi already > exists! > 2013-07-17 06:07:20,590 INFO > org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager: > Updating the current master key for generating delegation tokens > 2013-07-17 06:07:20,632 INFO org.apache.hadoop.mapred.JobTracker: > Scheduler configured with (memSizeForMapSlotOnJT, memSizeForReduceSlotOnJT, > limitMaxMemForMapTasks, limitMaxMemForReduceTasks) (-1, -1, -1, -1) > 2013-07-17 06:07:20,633 INFO org.apache.hadoop.util.HostsFileReader: > Refreshing hosts (include/exclude) list > 2013-07-17 06:07:20,665 INFO > org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager: > Starting expired delegation token remover thread, > tokenRemoverScanInterval=60 min(s) > 2013-07-17 06:07:20,665 INFO > org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager: > Updating the current master key for generating delegation tokens > 2013-07-17 06:07:20,997 INFO org.apache.hadoop.mapred.JobTracker: Starting > jobtracker with owner as maedeh > 2013-07-17 06:07:21,050 FATAL org.apache.hadoop.mapred.JobTracker: > java.lang.RuntimeException: java.lang.RuntimeException: class > org.apache.hadoop.mapred.AdaptiveScheduler not > org.apache.hadoop.mapred.TaskScheduler > at > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:898) > at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2276) > at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2171) > at > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:300) > at > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:291) > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4956) > Caused by: java.lang.RuntimeException: class > org.apache.hadoop.mapred.AdaptiveScheduler not > org.apache.hadoop.mapred.TaskScheduler > at > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:892) > ... 5 more > > 2013-07-17 06:07:21,134 INFO org.apache.hadoop.mapred.JobTracker: > SHUTDOWN_MSG: > /************************************************************ > SHUTDOWN_MSG: Shutting down JobTracker at master/192.168.0.112 > ************************************************************/ > > how I can resolve this problem?please help me... my jar file is in this > address: /home/maedeh/hadoop-0.20.203.0/lib/adaptivescheduler.jar
