JPRT could take a j2se 5.0 workspace job, but for a few problems in the source tree:

ERROR: Failed to prepare the source bundles for the job 2009-09-18-203957.kevinwa.j2se: Cannot bundle test source from source tree: /tmp/jprt/sourceBundlekevinwa_2009-09-18-13-39-57/streeTestBundle.tar.gz [rv=1,stdout="

Pathname exists more than once using case insensitive comparison, not Windows friendly: ./CTE_REGTEST/NoTestCase/4703989/README
Pathname exists more than once using case insensitive comparison, not Windows friendly: ./java/plugin/htmlconverter/
Pathname exists more than once using case insensitive comparison, not Windows friendly: ./java/util/Hashmap/


Making a case-insensitive comparison, there are duplicate filenames.