Character converters for Cp930, Cp933, Cp935, Cp937, Cp939 can not work.

When you run the attached class with an input encoding name of Cp930, Cp933, Cp935, Cp937, Cp939, you will get the following exception
Exception in thread "main" java.lang.InternalError: this.getMaxBytesPerChar returned bad value
        at sun.io.CharToByteConverter.convertAll(CharToByteConverter.java:221)
        at TestEncoding.test(TestEncoding.java:42)
        at TestEncoding.main(TestEncoding.java:25)

The attached java file has only normal operation to convert a character one by one.