IO Exception in Map Tasks

Hi, In one of the map tasks, i get the following exception: java.io.IOException: Task process exit with nonzero status of 255. at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:424) java.io.IOException: Task process exit with nonzero status of 255. at

Re: IO Exception in Map Tasks

The jvm had a hard failure and crashed On Sun, Apr 26, 2009 at 11:34 PM, Rakhi Khatwani rakhi.khatw...@gmail.comwrote: Hi, In one of the map tasks, i get the following exception: java.io.IOException: Task process exit with nonzero status of 255. at

Re: IO Exception in Map Tasks

Thanks Jason, is there any way we can avoid this exception?? Thanks, Raakhi On Mon, Apr 27, 2009 at 1:20 PM, jason hadoop jason.had...@gmail.comwrote: The jvm had a hard failure and crashed On Sun, Apr 26, 2009 at 11:34 PM, Rakhi Khatwani rakhi.khatw...@gmail.comwrote: Hi,

Re: IO Exception in Map Tasks

You will need to figure out why your task crashed, Check the task logs, there may be some messages there, that give you a hint as to what is going on. you can enable saving failed task logs and then run the task standalone in the isolation runner. chapter 7 of my book (alpha available) provides