The Derby source code repository contains jakarta-oro-2.0.8.jar in the tools/java directory. This jar file provides regex functionality used by the Sed class in the old test harness.
Modern JDK versions include the java.util.regex package, which provides similar functionality. The Jakarta ORO project is retired and has been moved to the Apache Attic.
We should change the implementation of the Sed class to use java.util.regex instead of Jakarta ORO because:
- it reduces the number of binaries in the source code repository
- java.util.regex is a maintained library, ORO is not