/usr/lib/jvm-exports/java-1.5.0-gcj-4.7/jce-1.5.0.0.jar is in gcj-4.7-jdk 4.7.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/jvm-exports/java-1.5.0-gcj-4.7/../../jvm/java-1.5.0-gcj-4.7/jre/lib/rt.jar