So I was able to fix all but one unit tests running on Jenkins: https://builds.apache.org/job/Cayenne-trunk/975/
Failed tests: testConcurrentInserts(org.apache.cayenne.dba.ConcurrentPkGeneratorTest) John, this is your concurrent PK test … I can consistently reproduce its failures with H2 locally and when run in isolation from any other tests. From what I can gather, either we are not locking AUTO_PK_TABLE properly on H2 or H2 is not supporting such concurrency. So duplicate PK errors ensue and the test fails. Not sure if we should go back to synchronized PkGenerator for H2? (Although ideally we should figure out how to make it behave). A.
