Java streams findAny() encounters null pointer exception after filter() operation filters out everything

Question

I am having trouble figuring why findAny() throws a null pointer exception after filter() operation on a stream. In this particular test case, the filt

Answer 1

The best way to avoid NPE is:

Optional encryption = sseEncryptionList.stream()
              .filter(Objects::nonNull)
              .filter(n -> "AES256".equals(n.textValue()))
              .findAny();

"AES256".equals(n.textValue())) will not throw NPE if n.textValue() is null