Hi Kanivel,
Have you run a mapreduce job in your Hadoop env (like word count)? Does it have similar error? Best regards, Ni Chunen / George On 12/5/2019 19:16，Kanivel Jayapal<[email protected]> wrote： Hi, I have setup hadoop multinode cluster through ambari .ambari running as master node and hive running in another aws instance.I have installed kylin in master node and configured hive instance in kylin.properties. I can create model,can create cube.But exception occur when build cube.Build fails at 3rd step.When I check logs it shows Mapreduce exception.2nd step also taking more time.I have 3 tables and each have 10 records.sales,customers,products.sales is a fact table.customers and products are dimesions table..Please look at the attached screenshots. The below error I got, org.apache.kylin.engine.mr.exception.MapReduceException: Counters: 13 Job Counters Failed map tasks=4 Killed reduce tasks=3 Launched map tasks=4 Other local map tasks=3 Data-local map tasks=1 Total time spent by all maps in occupied slots (ms)=194628 Total time spent by all reduces in occupied slots (ms)=0 Total time spent by all map tasks (ms)=27804 Total vcore-milliseconds taken by all map tasks=27804 Total megabyte-milliseconds taken by all map tasks=199299072 Map-Reduce Framework CPU time spent (ms)=0 Physical memory (bytes) snapshot=0 Virtual memory (bytes) snapshot=0 Job Diagnostics:Task failed task_1575385745059_0009_m_000000 Job failed as tasks failed. failedMaps:1 failedReduces:0 killedMaps:0 killedReduces: 0 Failure task Diagnostics: [2019-12-04 07:44:23.184]Exception from container-launch. Container id: container_e03_1575385745059_0009_01_000004 Exit code: 255 [2019-12-04 07:44:23.186]Container exited with a non-zero exit code 255. Error file: prelaunch.err. Last 4096 bytes of prelaunch.err : Last 4096 bytes of stderr : [2019-12-04 07:44:23.186]Container exited with a non-zero exit code 255. Error file: prelaunch.err. Last 4096 bytes of prelaunch.err : Last 4096 bytes of stderr : at org.apache.kylin.engine.mr.common.MapReduceExecutable.doWork(MapReduceExecutable.java:173) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:167) at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:71) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:167) at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:114) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Please help me.
