hadoop mapreduce: java.lang.UnsatisfiedLinkError: org.apache.hadoop.util.NativeCodeLoader.buildSupportsSnappy()Z

Question

I am trying to write a snappy block compressed sequence file from a map-reduce job. I am using hadoop 2.0.0-cdh4.5.0, and snappy-java 1.0.4.1

Here is my code:

Answer 1

after removing hadoop.dll (which i copied manually) from windows\system32 and setting up HADOOP_HOME=\hadoop-2.6.4 IT WORKS!!!