Project doesn't compile about grpc-scala-sample

[xuwei-k]

I assume you forgot git submodule update

[thinkerou]

Steps:

• git clone the code
• git submodule update
• sbt compile

sbt:root> compile
[info] Compiling 2 Scala sources to /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/target/scala-2.12/classes ...
[error] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:37:36: object helloworld is not a member of package io.grpc.examples.helloworld
[error] import io.grpc.examples.helloworld.helloworld.{HelloRequest, GreeterGrpc}
[error]                                    ^
[error] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:38:36: object helloworld is not a member of package io.grpc.examples.helloworld
[error] import io.grpc.examples.helloworld.helloworld.GreeterGrpc.GreeterBlockingStub
[error]                                    ^
[error] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:64:29: not found: type GreeterBlockingStub
[error]   private val blockingStub: GreeterBlockingStub
[error]                             ^
[error] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:47:24: not found: value GreeterGrpc
[error]     val blockingStub = GreeterGrpc.blockingStub(channel)
[error]                        ^
[error] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:75:19: not found: value HelloRequest
[error]     val request = HelloRequest(name = name)
[error]                   ^
[error] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:75:37: reassignment to val
[error]     val request = HelloRequest(name = name)
[error]                                     ^
[warn] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:37:48: Unused import
[warn] import io.grpc.examples.helloworld.helloworld.{HelloRequest, GreeterGrpc}
[warn]                                                ^
[warn] /Users/thinkerou/Documents/OpenSourceCodes/grpc-scala-sample/grpc-scala/src/main/scala/io/grpc/examples/helloworld/HelloWorldClient.scala:37:62: Unused import
[warn] import io.grpc.examples.helloworld.helloworld.{HelloRequest, GreeterGrpc}
[warn]