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From Songting Chen <ken_cst1...@yahoo.com>
Subject Issues with V0.19 upgrade
Date Thu, 04 Dec 2008 01:49:13 GMT
1. The namenode webpage shows:

   Upgrades: Upgrade for version -18 has been completed. 
   Upgrade is not finalized. 

2. SequenceFile.Writer failed when trying to creating a new file with the following error:
(we have two HaDoop clusters, both have issue 1; one has issue 2, but the other is fine on
issue 2). Any idea what's going on?


java.io.IOException: Filesystem closed
        at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:198)
        at org.apache.hadoop.hdfs.DFSClient.access$600(DFSClient.java:65)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:3084)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:3053)
        at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.close(DFSClient.java:942)
        at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:210)
        at org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:243)
        at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1413)
        at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:236)
        at org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:221)

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