/usr/lib/jvm/java-1.5.0-gcj-5-amd64/lib/libjawt.so is in libgcj16-awt 5.3.1-14ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/jvm/java-1.5.0-gcj-5-amd64/lib/../../../x86_64-linux-gnu/gcj-5-16/libjawt.so