On Mon, Oct 28, 2024 at 7:06 AM Ingolfur Hjorleifsson <hingolf...@gmail.com> wrote:
> using protoc —version = libprotoc 28.3
The version of protobuf-java must be at least the version of protoc being
used. protoc 28.3 needs protobuf-java 4.28.3+ (the protobuf release is the
minor+patch versions of protobuf-java). So you should depend on
protobuf-java 4.28.3+. gRPC right now is depending on 3.x series (but
compatible with 4.x), as we wait for the ecosystem to be ready to upgrade
to 4.x.
> grpc version = protoc-gen-grpc-java-1.41.0-osx-x86_64.exe
>
That is quite old.
javac -d . -cp "jar_lib4/*":. org/baeldung/grpc/org/baeldung/grpc/*.java
>
> org/baeldung/grpc/org/baeldung/grpc/HelloRequest.java:139: error: cannot
> find symbol
>
> if (!com.google.protobuf.GeneratedMessage.isStringEmpty(firstName_)) {
>
> ^
>
> symbol: method isStringEmpty(Object)
>
> location: class GeneratedMessage
>
>
HelloRequest is a message, which can clue you in to looking at your
protobuf versions.
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