This isn't an avro issue, it's to do with your use of 'valueOf'. You need to check for null before you call it. More info's here.
http://stackoverflow.com/questions/13577892/what-is-difference-between-null-and-null-of-string-valueofstring-object J On Fri, Dec 16, 2016 at 5:54 PM, Check Peck <comptechge...@gmail.com> wrote: > I am working with Avro and in my avro schema I have one field like this: > > { > "name" : "userId", > "type" : [ "null", "string" ], > "doc" : "some doc" > }, > > This is how I am extracting userId field from GenericRecord: > > GenericRecord payload = decoder.decode(record.value()); > String userid = String.valueOf(payload.get("userId")); > // sometimes userid comes as null string meaning like this "null" > System.out.println(Strings.isNullOrEmpty(userid)); > > And because of that "null" string, my sysout prints out as false. Is > there any way to extract userid as null instead of "null" String? > > Bcoz when I check for null string it fails and if I have to accommodate > this fix, I have to add extra check with ".equals" which I want to avoid if > possible? Is there any way? > >
