The failures occur with java_g. This assertion is hit:
 assert(!thread->owns_locks(), "must release all locks when leaving VM")

See:
http://alpheridies/hopper/weekly/DTF-workspace/pit-results/1.4.1-beta-b12/ClientVM/solsparc5.8/mixed/VM/NSK_QUICKLOOK-PIT-VM-ClientVM-NSK_QUICKLOOK-mixed-solsparc5.8-2002.05.15.13.14.14.0100/analysis.html

This appears to be a regression caused by the fix for
 4682107 Reg-test ConnectedVMs.java Failing