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Posted to user@giraph.apache.org by Carmen Manzulli <ca...@gmail.com> on 2014/07/02 13:23:28 UTC

java.lang.Throwable: Child Error

i've got this problem running my code for a simpleSelectComputation:

java.lang.Throwable: Child Error
	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.io.IOException: Task process exit with nonzero status of 1.
	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258

i don't know what does it mean but if it referes to mapred.child.java.opts
in which way  will i have to change this value?

who can help me?