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The following page has been changed by LohitVijayarenu: http://wiki.apache.org/hadoop/TroubleShooting ------------------------------------------------------------------------------ === Error message: Could not get block locations. Aborting... === - There are at least two couple of causes for this. + There are couple of causes for this. + * The namenode may be overloaded. Check the logs for messages that say "discarding calls..." + * There may not be enough (any) datanodes for the data to be written. Again, check the logs. + * The datanodes on which the blocks were stored might be down. - 1. The namenode may be overloaded. Check the logs for messages that say "discarding calls..." - 1. There may not be enough (any) datanodes for the data to be written. Again, check the logs. -
