Protobuf: to use same Message name with different packages

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I am using protobuf java, with following .proto

// service1.proto
option java_package = "package";
option java_outer_classname = "Proto1";
message M {
   ... // some definition
}

and

// service2.proto
option java_package = "package";
option java_outer_classname = "Proto2";
message M {
   ... // some different definition
}

while compile, error is thrown in service2.proto saying that "M" is already defined in service1.proto

But from package and generated code they should be package.Proto1.M and package.Proto2.M, is this conflict?

protobuf-java protocol-buffers
1 Answers

The "package" is also a .proto concept (not just a language/framework concept); if you need to have both schemas involved in anything, it may be useful to add

package Proto1;

to service1.proto and

package Proto2;

to service2.proto

Alternatively, if the M is actually the same in both places: move M to a different single file, and use import from both service1.proto and service2.proto

Marc_Gravell_233540
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