Cast Long to String

Elastic Stack Kibana
1

I'm getting errors "cannot convert MethodHandle(Longs)long to (Object)String"

with this scripts:

doc['req.method'].value + ' ' + doc['req.path'].value + ' ' + (String)doc['res.status'].value

String s = (String)doc['res.status'].value;
return doc['req.method'].value + ' ' + doc['req.path'].value + ' ' + s

String s = doc['res.status'].value;
return doc['req.method'].value + ' ' + doc['req.path'].value + ' ' + s

req.method and req.path are Strings, res.status is a Long

note:

doc['req.method'].value + ' ' + doc['req.path'].value + ' ' + doc['res.status'].value

just silently fails and returns empty value

2

apparently naming my scripted field with a starting _ was the issue

3

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