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Posted to common-user@hadoop.apache.org by myan <qi...@gmail.com> on 2009/04/30 05:02:45 UTC

Namenode exception on startup: found lease for non-existing file

Hi,

We encountered the following problem, NN cannot startup and throw runtime
exception:

Found lease for non-existent file
/user/yahoo/tbq_data/sky_pv/20090419/_temporary/_attempt_200904212032_1898_r_000089_0/???????c@#???/??QY?1XTGt`&h?R1]??_part-0008

We suspect this is caused by "/" within the temporary output filename and
hadoop interpret it as a parent directory. 

The root cause is the application is accidently fed with compressed data.

Does anyone got this problem before? 
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