JDK 9 b71 PIT testing

Quoting jtr file:
Format is not recognized.
Testing key: US, val: euR,978,2,2001-01-01T00:00:00... AfterVal is : null
Exception in thread "main" java.lang.NullPointerException
at java.util.regex.Matcher.getTextLength(Matcher.java:1746)
at java.util.regex.Matcher.reset(Matcher.java:402)
at java.util.regex.Matcher.<init>(Matcher.java:244)
at java.util.regex.Pattern.matcher(Pattern.java:1100)
at PropertiesTest.compare(PropertiesTest.java:147)
at PropertiesTest.main(PropertiesTest.java:34)

1 tests failed

The full jtr attached