TestDFSIO error: libhdfs.so.1 does not exist

[Yang Xiaoliang]

Hi all,

I am benchmarking a Hadoop Cluster with the hadoop-*-test.jar TestDFSIO

but the following error returns:
File /usr/hadoop-0.20.2/libhdfs/libhdfs.so.1 does not exist.

How to solve this problem?

Thanks!