"null" value is wrapped as Undefined.

[Attila Szegedi]

Hi,

I’d like to look into this, but can you tell me how is “$S.isBlank” defined? If it is in Java, what is its method signature?

Thanks,
  Attila.

> On 2022. Jun 6., at 19:17, Se Hee Lee <tosehee at gmail.com> wrote:
> 
> Is there a way to prevent this automatic wrapping?
> 
> In the following line, "oh.customAttribute4" is null, and it's passed into
> isBlank() as "Undefined". And that triggers the ClassCastException. This
> works fine in JDK 1.8.0_91, but fails in all future versions.
> 
> Is there an optional parameter or flag that prevents this from
> happening??????
> 
> We have lots of rules that are based on 'nashorn' scripting engine, and we
> cannot upgrade to future JDK due to this issue.
> 
> if (oh.type == "Sales Order" && $S.isBlank(oh.customAttribute4) &&
> oh.importType != "Transfer Order" && ol.item.customAttribute1 != "true" &&
> $S.containsIgnoreCase(vars.highMovingItems, ol.item.number + ",") ||
> $S.endsWithIgnoreCase(vars.highMovingItems, ol.item.number)) {
> 
> Caused by: java.lang.ClassCastException: Cannot cast
> org.openjdk.nashorn.internal.runtime.Undefined to java.lang.CharSequence
> 
> --
> 
> 
> Se Hee Lee / CTO
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