classpath.security

$ sudo yum remove libgcj

すると、以下の警告が

warning: /usr/lib/security/classpath.security saved as /usr/lib/security/classpath.security.rpmsave

ふむ。その中身は

# This file is part of GNU Classpath.

だそうだ。

$ grep ^[^#] /usr/lib/security/classpath.security.rpmsave
auth.login.defaultCallbackHandler=gnu.javax.security.auth.callback.DefaultCallbackHandler
securerandom.source=file:///dev/urandom