BUG #7762: problem on bytea field data reading

The following bug has been logged on the website:

Bug reference: 7762
Logged by: Achyut kumar Dwivedi
Email address: achyutkumar88(at)gmail(dot)com
PostgreSQL version: 9.0.0
Operating system: Windows
Description:

Hello Dear

I am one of the user of postgres open source DB and i am getting the problem
from the reading the binary data of bytea field on 9.0 onwards version with
the windows OS only but it is working fine on 8.4 version on same platform.

Problem is this produce the content size just double of original size of
content with the reading code on java language.

get bytes("bytefieldname");

if the content size in 1002 byte, it will get the data of size 2005 byte.

So plz can u help me what can i do to reduce this problem.

Thanks

Achyut