Hey, This is a cute bug (maybe a bug in java.io or jtreg or jtharness; not sure).
$ perl -e 'utime 0, 0, "java/lang/String"' && ls -ld java/lang/String && ~/jct-tools/jtreg-4.1-b5/linux/bin/jtreg java/lang/String/IsEmpty.java drwxr-x--- 2 martinrb eng 4096 Dec 31 1969 java/lang/String Error: Bad parameters specified: The following path does not identify a valid test or folder of tests: java/lang/String/IsEmpty.java jdk/test $ touch java/lang/String && ls -ld java/lang/String && ~/jct-tools/jtreg-4.1-b5/linux/bin/jtreg java/lang/String/IsEmpty.java drwxr-x--- 2 martinrb eng 4096 Jan 9 17:19 java/lang/String Test results: passed: 1
