NoSuchFieldError: String.COMPACT_STRINGS

[gayanW]

Runtime error "java.lang.NoSuchFieldError: java.lang.String.COMPACT_STRINGS" when running JUnit tests (StringTest).

[junit] java.lang.NoSuchFieldError: java.lang.String.COMPACT_STRINGS
[junit]     at java.lang.AbstractStringBuilder.getCoder(AbstractStringBuilder.java:1594)
[junit]     at java.lang.String.contentEquals(String.java:273)
[junit]     at gov.nasa.jpf.test.java.lang.StringTest.testContentEquals(StringTest.java:301)
[junit]     at java.lang.reflect.Method.invoke(gov.nasa.jpf.vm.JPF_java_lang_reflect_Method)
[junit]     at gov.nasa.jpf.util.test.TestJPF.runTestMethod(TestJPF.java:648)