The "null" support in some types is not fully developed. However in that case I am wondering why it does not work. Can you share the stack trace, so we can take a look at the serializer?
On Mon, Dec 19, 2016 at 9:56 PM, Matt <dromitl...@gmail.com> wrote: > Hello list, > > I'm getting this error: > > > *java.lang.RuntimeException: Could not forward element to next operator* > *...* > *Caused by: java.lang.NullPointerException: in com.entities.Sector in map > in double null of double of map in field properties of com.entities.Sector* > *...* > *Caused by: java.lang.NullPointerException* > > The field mentioned is a HashMap<String, Double>, and some keys are mapped > to null values. > > Why isn't it possible to forward/serialize those elements with null values? > What do you do when your elements may contain nulls? > > Regards, > Matt >
