Looks like thats task tracker issue. Its not able to update JT in time. From Job tracker UI, go to logs and check on that particular failed task in that particular task tracker and check logs.
On Dec 16, 2013, at 2:17 AM, Viswanathan J <[email protected]> wrote: > Hi, > > I'm getting the following error frequently while running MR jobs. > > ERROR org.apache.hadoop.mapred.TaskStatus: Trying to set finish time for task > attempt_201312040159_126927_m_000000_0 when no start time is set, stackTrace > is : java.lang.Exception > at > org.apache.hadoop.mapred.TaskStatus.setFinishTime(TaskStatus.java:145) > at > org.apache.hadoop.mapred.TaskInProgress.incompleteSubTask(TaskInProgress.java:700) > at > org.apache.hadoop.mapred.JobInProgress.failedTask(JobInProgress.java:3004) > at > org.apache.hadoop.mapred.JobInProgress.updateTaskStatus(JobInProgress.java:1185) > at > org.apache.hadoop.mapred.JobTracker.updateTaskStatuses(JobTracker.java:4471) > at > org.apache.hadoop.mapred.JobTracker.processHeartbeat(JobTracker.java:3306) > at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:3001) > at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1432) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1428) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426) > > Please help. > > -- > Regards, > Viswa.J
