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From Harsh J <ha...@cloudera.com>
Subject Re: Exception in doCheckpoint
Date Wed, 01 Feb 2012 03:23:27 GMT
Gabriel,

Do you get a download if you visit http://master:50070/getimage in
your browser or do you get a 404? It is likely that the URL threw a
404 which lead to the FileNotFoundException. Possibly something wrong
with the NN webapp server.

On Wed, Feb 1, 2012 at 3:19 AM, Gabriel Rosendorf
<grosendorf@e3smartenergy.com> wrote:
> I'm getting this recurring exception on my secondary NameNode.
>
> 2012-01-31 21:46:12,710 INFO org.apache.hadoop.hdfs.util.GSet: recommended=2097152, actual=2097152
> 2012-01-31 21:46:12,712 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: fsOwner=hduser
> 2012-01-31 21:46:12,713 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup=supergroup
> 2012-01-31 21:46:12,713 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: isPermissionEnabled=true
> 2012-01-31 21:46:12,713 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: dfs.block.invalidate.limit=100
> 2012-01-31 21:46:12,713 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: isAccessTokenEnabled=false
accessKeyUpdateInterval=0 min(s), accessTokenLifetime=0 min(s)
> 2012-01-31 21:46:12,713 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: Caching
file names occuring more than 10 times
> 2012-01-31 21:46:12,714 INFO org.apache.hadoop.hdfs.server.common.Storage: Number of
files = 6
> 2012-01-31 21:46:12,715 INFO org.apache.hadoop.hdfs.server.common.Storage: Number of
files under construction = 0
> 2012-01-31 21:46:12,715 INFO org.apache.hadoop.hdfs.server.common.Storage: Edits file
/app/hadoop/dfs/namesecondary/current/edits of size 4 edits # 0 loaded in 0 seconds.
> 2012-01-31 21:46:12,715 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number
of transactions: 0 Total time for transactions(ms): 0Number of transactions batched in Syncs:
0 Number of syncs: 0 SyncTimes(ms): 0
> 2012-01-31 21:46:12,720 INFO org.apache.hadoop.hdfs.server.common.Storage: Image file
of size 559 saved in 0 seconds.
> 2012-01-31 21:46:12,735 INFO org.apache.hadoop.hdfs.server.common.Storage: Image file
of size 559 saved in 0 seconds.
> 2012-01-31 21:46:12,869 INFO org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode:
Posted URL master:50070putimage=1&port=50090&machine=0.0.0.0&token=-31:2049933803:0:1328044870000:1328044562914
> 2012-01-31 21:46:12,876 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode:
Exception in doCheckpoint:
> 2012-01-31 21:46:12,876 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode:
java.io.FileNotFoundException: http://master:50070/getimage?putimage=1&port=50090&machine=0.0.0.0&token=-31:2049933803:0:1328044870000:1328044562914
>        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1434)
>        at org.apache.hadoop.hdfs.server.namenode.TransferFsImage.getFileClient(TransferFsImage.java:160)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.putFSImage(SecondaryNameNode.java:377)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:418)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doWork(SecondaryNameNode.java:312)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:275)
>        at java.lang.Thread.run(Thread.java:662)
>
> Any ideas?
>
> Best,
> Gabriel Rosendorf



-- 
Harsh J
Customer Ops. Engineer
Cloudera | http://tiny.cloudera.com/about

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