[jira] [Created] (ARROW-14881) [C++][Doc] Warnings in Doxygen

["Alessandro Molina (Jira)" <ji...@apache.org>]

Alessandro Molina created ARROW-14881:
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             Summary: [C++][Doc] Warnings in Doxygen
                 Key: ARROW-14881
                 URL: https://issues.apache.org/jira/browse/ARROW-14881
             Project: Apache Arrow
          Issue Type: Bug
          Components: Documentation
            Reporter: Alessandro Molina


When building the doxygen apidoc for C++ I get a few warnings that forced me to disable {{WARN_AS_ERROR}} option to be able to proceed with building the docs.

Is it an actual issue or something stray in my local environment?

Here is a preview of the warnings
{code:java}
$ doxygen
warning: Tag 'COLS_IN_ALPHA_INDEX' at line 1118 of file 'Doxyfile' has become obsolete.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2741: warning: no uniquely matching class member found for 
  void arrow::flight::protocol::HandshakeRequest::clear_protocol_version()


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2744: warning: no uniquely matching class member found for 
  PROTOBUF_NAMESPACE_ID::uint64 arrow::flight::protocol::HandshakeRequest::_internal_protocol_version() const


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2747: warning: no uniquely matching class member found for 
  PROTOBUF_NAMESPACE_ID::uint64 arrow::flight::protocol::HandshakeRequest::protocol_version() const


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2751: warning: no uniquely matching class member found for 
  void arrow::flight::protocol::HandshakeRequest::_internal_set_protocol_version(::PROTOBUF_NAMESPACE_ID::uint64 value)


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2755: warning: no uniquely matching class member found for 
  void arrow::flight::protocol::HandshakeRequest::set_protocol_version(::PROTOBUF_NAMESPACE_ID::uint64 value)


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2761: warning: no uniquely matching class member found for 
  void arrow::flight::protocol::HandshakeRequest::clear_payload()


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2764: warning: no uniquely matching class member found for 
  const std::string & arrow::flight::protocol::HandshakeRequest::payload() const


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2768: warning: no uniquely matching class member found for 
  void arrow::flight::protocol::HandshakeRequest::set_payload(const std::string &value)


/Users/amol/ARROW/arrow/cpp/src/arrow/flight/Flight.pb.h:2772: warning: no uniquely matching class member found for 
  std::string * arrow::flight::protocol::HandshakeRequest::mutable_payload() {code}



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