Protoc v3. 15 and v3.17 creates undefined variables in pb.cc files

[Lev Olshvang]

Hello team,

We are new to protobuf development. We stuck with the following problem :

protoc compiler creates an internal descriptor table in pb.cc fiie. 

static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_resource_5flocator_2eproto_deps[3] = {

  &::descriptor_table_udpa_2fannotations_2fstatus_2eproto,

  &::descriptor_table_validate_2fvalidate_2eproto,

  &::descriptor_table_xds_2fcore_2fv3_2fcontext_5fparams_2eproto,

};

 some similar descriptors are defined in protobuf includes, like following :

protobuf-3.17.3/src/google/protobuf/any.pb.h:PROTOBUF_EXPORT extern const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_google_2fprotobuf_2fany_2eproto;

But others are not present in protobuf includes and we got compilation error:

descriptor_table_udpa_2fannotations_2fstatus_2eproto’ has not been declared

And more ....

udpa/xds/core/v3/resource_locator.pb.cc:111:6: error: ‘::descriptor_table_udpa_2fannotations_2fstatus_2eproto’ has not been declared

   &::descriptor_table_udpa_2fannotations_2fstatus_2eproto,

      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

udpa/xds/core/v3/resource_locator.pb.cc:111:6: note: suggested alternative: ‘descriptor_table_google_2fprotobuf_2fduration_2eproto’

   &::descriptor_table_udpa_2fannotations_2fstatus_2eproto,

      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

      descriptor_table_google_2fprotobuf_2fduration_2eproto

udpa/xds/core/v3/resource_locator.pb.cc:112:6: error: ‘::descriptor_table_validate_2fvalidate_2eproto’ has not been declared

   &::descriptor_table_validate_2fvalidate_2eproto,

      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

udpa/xds/core/v3/resource_locator.pb.cc:112:6: note: suggested alternative: ‘descriptor_table_validate_2eproto’

   &::descriptor_table_validate_2fvalidate_2eproto,

      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

      descriptor_table_validate_2eproto

udpa/xds/core/v3/resource_locator.pb.cc:113:6: error: ‘::descriptor_table_xds_2fcore_2fv3_2fcontext_5fparams_2eproto’ has not been declared

   &::descriptor_table_xds_2fcore_2fv3_2fcontext_5fparams_2eproto,

      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

udpa/xds/core/v3/resource_locator.pb.cc:113:6: note: suggested alternative: ‘descriptor_table_context_5fparams_2eproto’

   &::descriptor_table_xds_2fcore_2fv3_2fcontext_5fparams_2eproto,

PLEASE HELP HELP HELP HELP !!!!

Regards

[Ivan Pizhenko]

Hi, could you solve this issue? I am facing simuilar one and looking for resolution.

понеділок, 5 липня 2021 р. о 14:58:20 UTC+3 lev.ol...@imperva.com пише:

[Adam Cozzette]

The only things I can think of that would cause this sort of error would be things like:

- Mixing generated code from multiple protoc versions

- Rebuilding the generated code for one .proto file but not other closely-related .proto files

If you rebuild all the generated code using a single consistent protoc version then I would expect the problem to go away.

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