/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/lib/libjvm.so is in libgcj15 4.9.2-10+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/lib/../../../x86_64-linux-gnu/gcj-4.9-15/libjvm.so