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The "TroubleShooting" page has been changed by SteveLoughran: http://wiki.apache.org/hadoop/TroubleShooting?action=diff&rev1=10&rev2=11 Comment: add another problem === Error message: Could not obtain block === - Your logs contain something like + Your logs contain something like + + {{{ - {{{ INFO hdfs.DFSClient: Could not obtain block blk_-4157273618194597760_1160 + INFO hdfs.DFSClient: Could not obtain block blk_-4157273618194597760_1160 from any node: - from any node: java.io.IOException: No live nodes contain current block }}} + 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. @@ -68, +71 @@ == Error message saying a file "Could only be replicated to 0 nodes instead of 1" == - (or any similar number) + (or any similar number such as "2 nodes instead of 3") See [[CouldOnlyBeReplicatedTo]] + == Client unable to connect to server, "Server not available" == + + + See ServerNotAvailable. +
