java.lang.NullPointerException: returnType is null

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Solutions on the web

via Google Groups by Ankur Goel, 1 year ago
returnType is null
via Google Groups by Luis Angel Cano via StackOverflow, 1 year ago
via GitHub by Rodrogamby
, 2 months ago
Cannot define operator when nothing is being created! File: 'rules/commands.txt' Line 0: '# -------------------------------------------------------------------------------' Previous: 'null'
via by Unknown author, 1 year ago
via by Unknown author, 1 year ago
java.lang.NullPointerException: returnType is null
at java.util.Objects.requireNonNull(
at com.facebook.presto.metadata.FunctionListBuilder.verifyMethodSignature(
at com.facebook.presto.metadata.FunctionListBuilder.processScalarFunction(

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