To reproduce:
go to one of boards from environment
wget http://jre.us.oracle.com/java/re/jdk/8/promoted/ea/b101/ws/jdk/test/closed/java/util/Calendar/Bug4302966.java
mount aurora-ds.us.oracle.com:/data /mnt/
/mnt/export/aurora/sca/embedded/builds/8/b101/jdk/linux-armhf/bin/javac Bug4302966.java
root@emb-spb-ti-panda-hf-1:/export/users/rmatafon# /mnt/export/aurora/sca/embedded/builds/8/b101/jdk/linux-armhf/bin/java Bug4302966
root@emb-spb-ti-panda-hf-1:/export/users/rmatafon# /mnt/export/aurora/sca/embedded/builds/8/b101/jre/linux-armhf/bin/java Bug4302966
Exception in thread "main" java.lang.RuntimeException
at Bug4302966.main(Bug4302966.java:17)

I also had tried to add line
   System.out.println(firstDayOfWeek + ", MONDAY = " + Calendar.MONDAY);
and got the next:

root@emb-spb-ti-panda-hf-1:/export/users/rmatafon# /mnt/export/aurora/sca/embedded/builds/8/b101/jdk/linux-armhf/bin/java Bug4302966
2, MONDAY = 2
root@emb-spb-ti-panda-hf-1:/export/users/rmatafon# /mnt/export/aurora/sca/embedded/builds/8/b101/jre/linux-armhf/bin/java Bug4302966
1, MONDAY = 2
Exception in thread "main" java.lang.RuntimeException
at Bug4302966.main(Bug4302966.java:17)

http://aurora.ru.oracle.com/functional/faces/RunDetails.xhtml?names=267169.JAVASE_EMBEDDED_PROMOTION_TESTCYCLE_8_ALL-1020
RULE closed/java/util/Calendar/Bug4302966.java Exception java.lang.RuntimeException