We had what looked like a Tika error when we ran our tests on Java 10. It turns out that this was caused by a change in Java 10 to make ZipFile required accessDeclaredMembers, a permission that we don't grant ourselves. Tika made this very difficult to debug by catching `RuntimeException` and returning `null`. Since `SecurityException` extends `RuntimeException` we lost all debugging information that might have made this problem simple to track down. Tika should probably let `SecurityException` bubble up.