The test works fine with jtreg 4.1 b11 and failed for b12

$> /export/local/aurora/CommonData/jtreg_dir/bin/jtreg -v:all -a /export/local/sk/jdk/test/com/sun/jdi/UnpreparedByName.java
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TEST: com/sun/jdi/UnpreparedByName.java
???

TEST RESULT: Error. Test Class Exception: Can't find library: scaffold
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Test results: error: 1
Report written to /export/local/sk/JTreport/html/report.html
Results written to /export/local/sk/JTwork
Error: Some tests failed or other problems occurred.