upgrade GRPC to 1.31 to avoid deadlock
@@ -125,7 +125,7 @@ flexible messaging model and an intuitive client API.</description>
<protobuf2.version>2.4.1</protobuf2.version>
<protobuf3.version>3.11.4</protobuf3.version>
<protoc3.version>3.11.4</protoc3.version>
- <grpc.version>1.18.0</grpc.version>
+ <grpc.version>1.31.0</grpc.version>
<protoc-gen-grpc-java.version>1.12.0</protoc-gen-grpc-java.version>
<gson.version>2.8.2</gson.version>
<sketches.version>0.8.3</sketches.version>
