There were many errors after these (null pointers among them) so I assumed they were a consequence. If you say this shouldn't be the primary cause of the failure, tomorrow I will retry and post the complete log.
2016-05-25 18:09 GMT+02:00 Stephan Ewen <se...@apache.org>: > Hi! > > I am curious why that actually fails the job. While it is true, these > errors need to be solved, they should only be logged, never cause a > failure. > > Stephan > > > On Wed, May 25, 2016 at 3:49 PM, Maximilian Michels <m...@apache.org> > wrote: > > > Hi Simone, > > > > If you don't want to wait, you could also revert these commits and > rebuild: > > > > git revert 5b9872492394026f3e6ac31b9937141ebedb1481 > > git revert 707606ac40dbbbd497fcbbb5442870fec5468bf3 > > git revert 003ce18efc0249fae874e56c3df6acf19f5f2429 > > > > This will remove the newly added metrics reporting features. > > > > Cheers, > > Max > > > > > > On Wed, May 25, 2016 at 3:11 PM, Simone Robutti > > <simone.robu...@radicalbit.io> wrote: > > > Ok, I will wait then. > > > > > > Thank you. > > > > > > 2016-05-25 15:06 GMT+02:00 Stephan Ewen <se...@apache.org>: > > > > > >> Hi! > > >> > > >> This can be an issue in the latest master (because the test > > infrastructure > > >> was broken, it was not detected) > > >> https://issues.apache.org/jira/browse/FLINK-3962 > > >> > > >> Will be fixed soon. > > >> > > >> Stephan > > >> > > >> > > >> On Wed, May 25, 2016 at 2:22 PM, Simone Robutti < > > >> simone.robu...@radicalbit.io> wrote: > > >> > > >> > Running a job I encounter the following error that leads the job to > > >> failure > > >> > in the end. > > >> > > > >> > 14:09:34,722 ERROR org.apache.flink.metrics.reporter.JMXReporter > > >> > - A metric with the name > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numBytesIn > > >> > was already registered. > > >> > javax.management.InstanceAlreadyExistsException: > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numBytesIn > > >> > at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.reporter.JMXReporter.notifyOfAddedMetric(JMXReporter.java:76) > > >> > at > > >> > > > org.apache.flink.metrics.MetricRegistry.register(MetricRegistry.java:177) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:191) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.counter(AbstractMetricGroup.java:144) > > >> > at > > >> > > > >> > > > org.apache.flink.metrics.groups.IOMetricGroup.<init>(IOMetricGroup.java:40) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskMetricGroup.<init>(TaskMetricGroup.java:68) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.JobMetricGroup.addTask(JobMetricGroup.java:74) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskManagerMetricGroup.addTaskForJob(TaskManagerMetricGroup.java:86) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.submitTask(TaskManager.scala:1092) > > >> > at org.apache.flink.runtime.taskmanager.TaskManager.org > > >> > > > >> > > > >> > > > $apache$flink$runtime$taskmanager$TaskManager$$handleTaskMessage(TaskManager.scala:441) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:283) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) > > >> > at > scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) > > >> > at akka.actor.Actor$class.aroundReceive(Actor.scala:465) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:124) > > >> > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) > > >> > at akka.actor.ActorCell.invoke(ActorCell.scala:487) > > >> > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) > > >> > at akka.dispatch.Mailbox.run(Mailbox.scala:221) > > >> > at akka.dispatch.Mailbox.exec(Mailbox.scala:231) > > >> > at > > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > > >> > at > > >> > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > >> > 14:09:34,728 ERROR org.apache.flink.metrics.reporter.JMXReporter > > >> > - A metric with the name > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numBytesOut > > >> > was already registered. > > >> > javax.management.InstanceAlreadyExistsException: > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numBytesOut > > >> > at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.reporter.JMXReporter.notifyOfAddedMetric(JMXReporter.java:76) > > >> > at > > >> > > > org.apache.flink.metrics.MetricRegistry.register(MetricRegistry.java:177) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:191) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.counter(AbstractMetricGroup.java:144) > > >> > at > > >> > > > >> > > > org.apache.flink.metrics.groups.IOMetricGroup.<init>(IOMetricGroup.java:41) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskMetricGroup.<init>(TaskMetricGroup.java:68) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.JobMetricGroup.addTask(JobMetricGroup.java:74) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskManagerMetricGroup.addTaskForJob(TaskManagerMetricGroup.java:86) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.submitTask(TaskManager.scala:1092) > > >> > at org.apache.flink.runtime.taskmanager.TaskManager.org > > >> > > > >> > > > >> > > > $apache$flink$runtime$taskmanager$TaskManager$$handleTaskMessage(TaskManager.scala:441) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:283) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) > > >> > at > scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) > > >> > at akka.actor.Actor$class.aroundReceive(Actor.scala:465) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:124) > > >> > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) > > >> > at akka.actor.ActorCell.invoke(ActorCell.scala:487) > > >> > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) > > >> > at akka.dispatch.Mailbox.run(Mailbox.scala:221) > > >> > at akka.dispatch.Mailbox.exec(Mailbox.scala:231) > > >> > at > > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > > >> > at > > >> > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > >> > 14:09:34,730 ERROR org.apache.flink.metrics.reporter.JMXReporter > > >> > - A metric with the name > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numRecordsIn > > >> > was already registered. > > >> > javax.management.InstanceAlreadyExistsException: > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numRecordsIn > > >> > at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.reporter.JMXReporter.notifyOfAddedMetric(JMXReporter.java:76) > > >> > at > > >> > > > org.apache.flink.metrics.MetricRegistry.register(MetricRegistry.java:177) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:191) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.counter(AbstractMetricGroup.java:144) > > >> > at > > >> > > > >> > > > org.apache.flink.metrics.groups.IOMetricGroup.<init>(IOMetricGroup.java:42) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskMetricGroup.<init>(TaskMetricGroup.java:68) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.JobMetricGroup.addTask(JobMetricGroup.java:74) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskManagerMetricGroup.addTaskForJob(TaskManagerMetricGroup.java:86) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.submitTask(TaskManager.scala:1092) > > >> > at org.apache.flink.runtime.taskmanager.TaskManager.org > > >> > > > >> > > > >> > > > $apache$flink$runtime$taskmanager$TaskManager$$handleTaskMessage(TaskManager.scala:441) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:283) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) > > >> > at > scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) > > >> > at akka.actor.Actor$class.aroundReceive(Actor.scala:465) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:124) > > >> > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) > > >> > at akka.actor.ActorCell.invoke(ActorCell.scala:487) > > >> > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) > > >> > at akka.dispatch.Mailbox.run(Mailbox.scala:221) > > >> > at akka.dispatch.Mailbox.exec(Mailbox.scala:231) > > >> > at > > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > > >> > at > > >> > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > >> > 14:09:34,732 ERROR org.apache.flink.metrics.reporter.JMXReporter > > >> > - A metric with the name > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numRecordsOut > > >> > was already registered. > > >> > javax.management.InstanceAlreadyExistsException: > > >> > > > >> > > > >> > > > org.apache.flink.metrics:key0=localhost,key1=taskmanager,key2=04a8fea67d01fbbdab5bba8c7e9a73d8,key3=Flink_Java_Job_at_Wed_May_25_14-09-14_CEST_2016,key4=<task_name>,name=numRecordsOut > > >> > at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324) > > >> > at > > >> > > > >> > > > >> > > > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.reporter.JMXReporter.notifyOfAddedMetric(JMXReporter.java:76) > > >> > at > > >> > > > org.apache.flink.metrics.MetricRegistry.register(MetricRegistry.java:177) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:191) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.AbstractMetricGroup.counter(AbstractMetricGroup.java:144) > > >> > at > > >> > > > >> > > > org.apache.flink.metrics.groups.IOMetricGroup.<init>(IOMetricGroup.java:43) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskMetricGroup.<init>(TaskMetricGroup.java:68) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.JobMetricGroup.addTask(JobMetricGroup.java:74) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.metrics.groups.TaskManagerMetricGroup.addTaskForJob(TaskManagerMetricGroup.java:86) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.submitTask(TaskManager.scala:1092) > > >> > at org.apache.flink.runtime.taskmanager.TaskManager.org > > >> > > > >> > > > >> > > > $apache$flink$runtime$taskmanager$TaskManager$$handleTaskMessage(TaskManager.scala:441) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:283) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33) > > >> > at > > >> > > > >> > > > >> > > > scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33) > > >> > at > > >> > org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28) > > >> > at > scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28) > > >> > at akka.actor.Actor$class.aroundReceive(Actor.scala:465) > > >> > at > > >> > > > >> > > > >> > > > org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:124) > > >> > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) > > >> > at akka.actor.ActorCell.invoke(ActorCell.scala:487) > > >> > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) > > >> > at akka.dispatch.Mailbox.run(Mailbox.scala:221) > > >> > at akka.dispatch.Mailbox.exec(Mailbox.scala:231) > > >> > at > > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > > >> > at > > >> > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > > >> > at > > >> > > > >> > > > >> > > > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > >> > > > >> > > > >> > Here is the interesting part of the source > > >> > > > >> > val distCOO=env.fromCollection(coo.toStream) > > >> > val distCOO2=env.fromCollection(coo.toStream) > > >> > val > > >> > m1=DistributedRowMatrix.fromCOO(distCOO,numRows.toInt,numCols.toInt) > > >> > val > > >> > > m2=DistributedRowMatrix.fromCOO(distCOO2,numRows.toInt,numCols.toInt) > > >> > > > >> > > > >> > > > >> > > > m1.toBlockMatrix(1000,1000).multiply(m2.toBlockMatrix(1000,1000)).toRowMatrix.getRowData.first(5).print() > > >> > > > >> > > > >> > "coo" is a Iterator[(Int, Int, Double)]. > > >> > > > >> > Here you can find the implementation for the distributed matrix I'm > > >> working > > >> > on, if you need to follow the stacktrace: > > >> > > > >> > > > >> > > > https://github.com/radicalbit/flink/tree/Flink-1873-d/flink-libraries/flink-ml/src/main/scala/org/apache/flink/ml/math/distributed > > >> > > > >> > > >
