Rules of schema-based parsing?

[ZhaiMo15]

Here's an example:

    private final SimdJsonParser simdJsonParser = new SimdJsonParser();

    record testClass(String name, long aaa, long bbb, long ccc) {
    }

    record testClass2(long aaa, long bbb, long ccc) {
    }

    byte[] json = "{\"name\": \"John\", \"age\": 30, \"aaa\": 1, \"bbb\": 2, \"ccc\": 3}".getBytes(UTF_8);

    simdJsonParser.parse(json, json.length, testClass.class); // Works fine

    simdJsonParser.parse(json, json.length, testClass2.class); // Error

As the comments, when parse to testClass, everything's fine.
However, when parse to testClass2, an error comes:
NullPointer Cannot read the array length because "key" is null

I'm confused, I thought the "record" is flexible that can contains entire or part of the elements.
Is there a limitation or a rule to use schema-based parsing?

[piotrrzysko]

This should work. It looks like a bug. I'll look into it later today.

[piotrrzysko]

I confirm this is a bug. The linked PR should fix it. Thanks for reporting!