[HADOOP-1712] Unhandled exception in Block CRC upgrade on datanode.

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 0.14.0
• Assignee: Raghu Angadi
• Reporter: Raghu Angadi
• Created: 13/Aug/07 22:50
• Updated: 08/Jul/09 16:42
• Resolved: 15/Aug/07 00:04

Description

One of the un-handled IOException during BlockCRC upgrade results in the upgrade thread to exit with out proper upgrade.

exception on the datanode :

2007-08-13 22:18:27,324 ERROR org.apache.hadoop.dfs.DataNode: java.io.IOException: Block blk_-6404399692543439055 is not valid.
        at org.apache.hadoop.dfs.FSDataset.getBlockFile(FSDataset.java:492)
        at org.apache.hadoop.dfs.BlockCrcUpgradeObjectDatanode.doUpgrade(BlockCrcUpgrade.java:1431)
        at org.apache.hadoop.dfs.UpgradeObjectDatanode.run(UpgradeObjectDatanode.java:95)
        at java.lang.Thread.run(Thread.java:619)

Will also check if there are any more of such misses.