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The "TroubleShooting" page has been changed by GridEngine: http://wiki.apache.org/hadoop/TroubleShooting?action=diff&rev1=12&rev2=13 Comment: general improvements === Error message: Could not get block locations. Aborting... === - There are number of possible of causes for this. + There are a number of possible of causes for this. - * The namenode may be overloaded. Check the logs for messages that say "discarding calls..." + * 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. + * 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. + * The DataNodes on which the blocks were stored might be down. === Error message: Could not obtain block === @@ -62, +62 @@ java.io.IOException: No live nodes contain current block }}} - There are no live datanodes containing a copy of the block of the file you are looking for. Bring up any nodes that are down, or skip that block. + There are no live DataNodes containing a copy of the block of the file you are looking for. Bring up any nodes that are down, or skip that block. == Reduce hangs ==
