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From "Sriram Muthuswamy Chittathoor" <srir...@ivycomptech.com>
Subject Hbase loading error -- Trailer 'header' is wrong; does the trailer size match content
Date Thu, 07 Jan 2010 13:49:55 GMT
Hi:

I am trying to run a MR job to output HFiles directly containing 10
million records (very simple 1 column family and very small).  The job
completes with some mention about killed jobs (reduce Failed/Killed
Task Attempts > 0) .  Then I use the script loadtable.rb to load my
hfiles into hbase and get the error stack given below. 

I tried all combinations of settings in the mapred-site.xml. Also tried
the suggestions given in this chain which talks about similar problem.
http://www.mail-archive.com/hbase-user@hadoop.apache.org/msg07668.html


If I reduce the number of records it works.  

Thanks for any help

Sriram C



org/apache/hadoop/hbase/io/hfile/HFile.java:1335:in `deserialize':
java.io.IOException: Trailer 'header' is  wrong; does the trailer size
match content? (NativeException)
        from org/apache/hadoop/hbase/io/hfile/HFile.java:813:in
`readTrailer'
        from org/apache/hadoop/hbase/io/hfile/HFile.java:758:in
`loadFileInfo'
        from sun/reflect/NativeMethodAccessorImpl.java:-2:in `invoke0'
        from sun/reflect/NativeMethodAccessorImpl.java:39:in `invoke'
        from sun/reflect/DelegatingMethodAccessorImpl.java:25:in
`invoke'
        from java/lang/reflect/Method.java:597:in `invoke'
        from org/jruby/javasupport/JavaMethod.java:298:in
`invokeWithExceptionHandling'
        from org/jruby/javasupport/JavaMethod.java:259:in `invoke'
         ... 19 levels...
        from org/jruby/Main.java:94:in `main'
        from bin/loadtable.rb:83:in `each'
        from bin/loadtable.rb:83
Complete Java stackTrace
java.io.IOException: Trailer 'header' is wrong; does the trailer size
match content?
        at
org.apache.hadoop.hbase.io.hfile.HFile$FixedFileTrailer.deserialize(HFil
e.java:1335)
        at
org.apache.hadoop.hbase.io.hfile.HFile$Reader.readTrailer(HFile.java:813
)
        at
org.apache.hadoop.hbase.io.hfile.HFile$Reader.loadFileInfo(HFile.java:75
8)



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