I think you missed Kenn's earlier reply: https://lists.apache.org/thread/v0nr6mv0rqhd76ox1bwt6qwo4q3g7w58
The vendored gRPC is built by transforming the released gRPC jar. Here is where in the Beam git history you can find the source for the transformation: https://github.com/apache/beam/tree/40293eb52ca914acbbbae51e4b24fa280f2b44f0/vendor/grpc-1_26_0 Kenn On Sun, Aug 7, 2022 at 1:16 PM JDW J <john.j...@gmail.com> wrote: > Anyone....? > > On Wed, 27 Jul, 2022, 13:21 JDW J, <john.j...@gmail.com> wrote: > >> Team, >> >> Consider me a newbie to Beam and Java world in general. I am trying to >> trace Beam vendor dependency to gRPC-upstream. >> >> <modelVersion>4.0.0</modelVersion> >> <groupId>org.apache.beam</groupId> >> <artifactId>beam-vendor-grpc-1_26_0</artifactId> >> <version>0.3</version> >> <name>Apache Beam :: Vendored Dependencies :: gRPC :: 1.26.0</name> >> <url>http://beam.apache.org</url> >> >> >> How can I tell what is the exact upstream repo for "<name>Apache Beam :: >> Vendored Dependencies :: gRPC :: 1.26.0</name>" ? >> >> -joji >> >