ashishgandhe wrote:
>
> Hi Chandra,
>
> Were you able to resolve this error? I'm facing the exact same issue.
>
> hi..
> yes was able to fix this.. it was a firewall issue... try disabling
> firewall on all nodes in the cluster...
>
> Thanks,
> S.Chandravadana
>
> Thanks,
> Ashish
>
>
>
> chandravadana wrote:
>>
>>
>> hi..
>>
>> i'm using a cluster of 3 systems.. 1 being the master and the other 2
>> are slaves.
>>
>> i don get any errors when i cluster 2 systems. when i add the 3rd one, i
>> get the following error..
>>
>> master: 10.232.25.197
>> slave1: 10.232.25.96
>> slave2:10.232.25.69
>>
>> wordcount/hi/ dir is the input dir
>>
>> when i execute :
>>
>> # bin/hadoop dfs -copyFromLocal wordcount/hi wordcount/ins
>>
>> 08/08/25 13:43:30 INFO dfs.DFSClient: Exception in
>> createBlockOutputStream java.io.IOException: Bad connect ack with
>> firstBadLink 10.232.25.69:50010
>> 08/08/25 13:43:30 INFO dfs.DFSClient: Abandoning block
>> blk_-3916191835981679734
>> 08/08/25 13:43:36 INFO dfs.DFSClient: Exception in
>> createBlockOutputStream java.io.IOException: Bad connect ack with
>> firstBadLink 10.232.25.69:50010
>> 08/08/25 13:43:36 INFO dfs.DFSClient: Abandoning block
>> blk_-7058774921272589893
>> 08/08/25 13:43:42 INFO dfs.DFSClient: Exception in
>> createBlockOutputStream java.io.IOException: Bad connect ack with
>> firstBadLink 10.232.25.69:50010
>> 08/08/25 13:43:42 INFO dfs.DFSClient: Abandoning block
>> blk_3767065959322874247
>> 08/08/25 13:43:48 INFO dfs.DFSClient: Exception in
>> createBlockOutputStream java.io.IOException: Bad connect ack with
>> firstBadLink 10.232.25.69:50010
>> 08/08/25 13:43:48 INFO dfs.DFSClient: Abandoning block
>> blk_-8330992315825789947
>> 08/08/25 13:43:54 WARN dfs.DFSClient: DataStreamer Exception:
>> java.io.IOException: Unable to create new block.
>> 08/08/25 13:43:54 WARN dfs.DFSClient: Error Recovery for block
>> blk_-8330992315825789947 bad datanode[1]
>> copyFromLocal: Could not get block locations. Aborting...
>>
>> when i examine the log file of the slave, i see this
>>
>> 2008-08-25 13:42:18,140 INFO org.apache.hadoop.dfs.DataNode:
>> STARTUP_MSG:
>> /************************************************************
>> STARTUP_MSG: Starting DataNode
>> STARTUP_MSG: host = slave1/10.232.25.96 STARTUP_MSG: args = []
>> STARTUP_MSG: version = 0.16.4 STARTUP_MSG: build =
>> http://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.16 -r
>> 652614; compiled by 'hadoopqa' on Fri May 2 00:18:12 UTC 2008
>> ************************************************************/
>> 2008-08-25 13:42:18,634 INFO org.apache.hadoop.dfs.Storage: Storage
>> directory /etc/hadoop_install/hadoop-0.16.4/datanodedir is not
>> formatted.
>> 2009-08-25 13:42:18,634 INFO org.apache.hadoop.dfs.Storage:
>> Formatting ...
>> 2008-08-25 13:42:18,701 INFO org.apache.hadoop.dfs.DataNode: Registered
>> FSDatasetStatusMBean
>> 2008-08-25 13:42:18,701 INFO org.apache.hadoop.dfs.DataNode: Opened
>> server at 50010
>> 2008-08-25 13:42:18,705 INFO org.apache.hadoop.dfs.DataNode: Balancing
>> bandwith is 1048576 bytes/s
>> 2008-08-25 13:42:18,911 INFO org.mortbay.util.Credential: Checking
>> Resource aliases
>> 2008-08-25 13:42:19,013 INFO org.mortbay.http.HttpServer: Version
>> Jetty/5.1.4 2008-08-25 13:42:19,014 INFO org.mortbay.util.Container:
>> Started HttpContext[/static,/static]
>> 2008-08-25 13:42:19,014 INFO org.mortbay.util.Container: Started
>> HttpContext[/logs,/logs]
>> 2008-08-25 13:42:19,579 INFO org.mortbay.util.Container: Started
>> [EMAIL PROTECTED]
>> 2008-08-25 13:42:19,658 INFO org.mortbay.util.Container: Started
>> WebApplicationContext[/,/]
>> 2008-08-25 13:42:19,661 INFO org.mortbay.http.SocketListener: Started
>> SocketListener on 0.0.0.0:50075
>> 2008-08-25 13:42:19,661 INFO org.mortbay.util.Container: Started
>> [EMAIL PROTECTED]
>> 2008-08-25 13:42:19,706 INFO org.apache.hadoop.dfs.DataNode: New storage
>> id DS-860242092-10.232.25.96-50010-1219651939700 is assigned to data-
>> node 10.232.25.96:50010
>> 2008-08-25 13:42:19,733 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
>> Initializing JVM Metrics with processName=DataNode, sessionId=null
>> 2008-08-25 13:42:19,755 INFO org.apache.hadoop.dfs.DataNode:
>> 10.232.25.96:50010In DataNode.run, data = FSDataset
>> {dirpath='/etc/hadoop_install/hadoop-0.16.4/datanodedir/current'}
>> 2008-08-25 13:42:19,755 INFO org.apache.hadoop.dfs.DataNode: using
>> BLOCKREPORT_INTERVAL of 3538776msec Initial delay: 60000msec
>> 2008-08-25 13:42:19,828 INFO org.apache.hadoop.dfs.DataNode: BlockReport
>> of 0 blocks got processed in 20 msecs
>> 2008-08-25 13:45:43,982 INFO org.apache.hadoop.dfs.DataNode: Receiving
>> block blk_1031802361447574775 src: /10.232.25.197:40282
>> dest: /10.232.25.197:50010
>> 2008-08-25 13:45:44,032 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
>> forwarding connect ack to upstream firstbadlink is
>> 2008-08-25 13:45:44,081 INFO org.apache.hadoop.dfs.DataNode: Received
>> block blk_1031802361447574775 of size 3161 from /10.232.25.197
>> 2008-08-25 13:45:44,081 INFO org.apache.hadoop.dfs.DataNode:
>> PacketResponder 0 for block blk_1031802361447574775 terminating
>> 2008-08-25 13:45:44,105 INFO org.apache.hadoop.dfs.DataNode: Receiving
>> block blk_-1924738157193733587 src: /10.232.25.197:40285
>> dest: /10.232.25.197:50010
>> 2008-08-25 13:45:44,106 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
>> forwarding connect ack to upstream firstbadlink is
>> 2008-08-25 13:45:44,193 INFO org.apache.hadoop.dfs.DataNode: Received
>> block blk_-1924738157193733587 of size 6628 from /10.232.25.197
>> 2008-08-25 13:45:44,193 INFO org.apache.hadoop.dfs.DataNode:
>> PacketResponder 0 for block blk_-1924738157193733587 terminating
>> 2008-08-25 13:45:44,212 INFO org.apache.hadoop.dfs.DataNode: Receiving
>> block blk_7001275375373078911 src: /10.232.25.197:40287
>> dest: /10.232.25.197:50010
>> 2008-08-25 13:45:44,213 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
>> forwarding connect ack to upstream firstbadlink is
>> 008-08-25 13:45:44,256 INFO org.apache.hadoop.dfs.DataNode: Received
>> block blk_7001275375373078911 of size 3161 from /10.232.25.197
>> 2008-08-25 13:45:44,256 INFO org.apache.hadoop.dfs.DataNode:
>> PacketResponder 0 for block blk_7001275375373078911 terminating
>> 2008-08-25 13:45:44,277 INFO org.apache.hadoop.dfs.DataNode: Receiving
>> block blk_-7471693146363669981 src: /10.232.25.197:40289
>> dest: /10.232.25.197:50010
>> 2008-08-25 13:45:44,278 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
>> forwarding connect ack to upstream firstbadlink is
>> 2008-08-25 13:45:44,362 INFO org.apache.hadoop.dfs.DataNode: Received
>> block blk_-7471693146363669981 of size 6628 from /10.232.25.197
>> 2008-08-25 13:45:44,362 INFO org.apache.hadoop.dfs.DataNode:
>> PacketResponder 0 for block blk_-7471693146363669981 terminating
>> 2008-08-25 13:45:44,380 INFO org.apache.hadoop.dfs.DataNode: Receiving
>> block blk_-6619078097753318750 src: /10.232.25.197:40291
>> dest: /10.232.25.197:50010
>> 2008-08-25 13:45:44,380 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
>> forwarding connect ack to upstream firstbadlink is
>> 2008-08-25 13:45:44,424 INFO org.apache.hadoop.dfs.DataNode: Received
>> block blk_-6619078097753318750 of size 2778 from /10.232.25.197
>> 2008-08-25 13:45:44,424 INFO org.apache.hadoop.dfs.DataNode:
>> PacketResponder 0 for block blk_-6619078097753318750 terminating
>> 2008-08-25 13:45:44,440 INFO org.apache.hadoop.dfs.DataNode: Receiving
>> block blk_1527614673854389960 src: /10.232.25.197:40293
>> dest: /10.232.25.197:50010
>> 2008-08-25 13:45:44,441 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
>> forwarding connect ack to upstream firstbadlink is
>> 2008-08-25 13:45:44,526 INFO org.apache.hadoop.dfs.DataNode: Received
>> block blk_1527614673854389960 of size 4616 from /10.232.25.197
>> 2008-08-25 13:45:44,526 INFO org.apache.hadoop.dfs.DataNode:
>> PacketResponder 0 for block blk_1527614673854389960 terminating
>> 2008-08-25 13:47:21,331 INFO org.apache.hadoop.dfs.DataBlockScanner:
>> Verification succeeded for blk_1527614673854389960
>> 2008-08-25 13:48:11,458 INFO org.apache.hadoop.dfs.DataBlockScanner:
>> Verification succeeded for blk_7001275375373078911
>>
>>
>> i should i do.. kindly help me in resolving this issue...
>> Thanks in advance..
>>
>>
>>
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