1. gradle-4.6

2. grpcVersion = '1.10.0'
3. com.google.protobuf:protoc:3.5.1

Author: Alexander Furer

build.gradle

@@ -2,7 +2,7 @@
 buildscript {
     ext {
         springBootVersion = '1.5.9.RELEASE'
-        grpcVersion = '1.9.0'
+        grpcVersion = '1.10.0'
     }
     repositories {
         mavenCentral()
@@ -14,7 +14,7 @@ buildscript {
     dependencies {
         classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
         classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.5"
-        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.3'
+        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.5'
         classpath "org.jfrog.buildinfo:build-info-extractor-gradle:4.0.0"
         classpath 'com.palantir:jacoco-coverage:0.4.0'
         classpath 'com.bmuschko:gradle-nexus-plugin:2.3.1'

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
-#Sat Jul 23 13:11:27 PDT 2016
+#Mon Mar 19 15:06:58 IST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip

gradle/wrapper/gradle-wrapper.properties

@@ -22,7 +22,7 @@ sourceSets {
 
 protobuf {
     protoc {
-        artifact = 'com.google.protobuf:protoc:3.0.0'
+        artifact = 'com.google.protobuf:protoc:3.5.1'
     }
     plugins {
         grpc {

grpc-spring-boot-starter-demo/build.gradle

@@ -18,7 +18,7 @@
 /**
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.8.0)",
+    value = "by gRPC proto compiler (version 1.10.0)",
     comments = "Source: calculator.proto")
 public final class CalculatorGrpc {
 
@@ -30,14 +30,19 @@ private CalculatorGrpc() {}
   @io.grpc.ExperimentalApi("https://github.com/grpc/grpc-java/issues/1901")
   @java.lang.Deprecated // Use {@link #getCalculateMethod()} instead. 
   public static final io.grpc.MethodDescriptor<io.grpc.examples.CalculatorOuterClass.CalculatorRequest,
-      io.grpc.examples.CalculatorOuterClass.CalculatorResponse> METHOD_CALCULATE = getCalculateMethod();
+      io.grpc.examples.CalculatorOuterClass.CalculatorResponse> METHOD_CALCULATE = getCalculateMethodHelper();
 
   private static volatile io.grpc.MethodDescriptor<io.grpc.examples.CalculatorOuterClass.CalculatorRequest,
       io.grpc.examples.CalculatorOuterClass.CalculatorResponse> getCalculateMethod;
 
   @io.grpc.ExperimentalApi("https://github.com/grpc/grpc-java/issues/1901")
   public static io.grpc.MethodDescriptor<io.grpc.examples.CalculatorOuterClass.CalculatorRequest,
       io.grpc.examples.CalculatorOuterClass.CalculatorResponse> getCalculateMethod() {
+    return getCalculateMethodHelper();
+  }
+
+  private static io.grpc.MethodDescriptor<io.grpc.examples.CalculatorOuterClass.CalculatorRequest,
+      io.grpc.examples.CalculatorOuterClass.CalculatorResponse> getCalculateMethodHelper() {
     io.grpc.MethodDescriptor<io.grpc.examples.CalculatorOuterClass.CalculatorRequest, io.grpc.examples.CalculatorOuterClass.CalculatorResponse> getCalculateMethod;
     if ((getCalculateMethod = CalculatorGrpc.getCalculateMethod) == null) {
       synchronized (CalculatorGrpc.class) {
@@ -91,13 +96,13 @@ public static abstract class CalculatorImplBase implements io.grpc.BindableServi
      */
     public void calculate(io.grpc.examples.CalculatorOuterClass.CalculatorRequest request,
         io.grpc.stub.StreamObserver<io.grpc.examples.CalculatorOuterClass.CalculatorResponse> responseObserver) {
-      asyncUnimplementedUnaryCall(getCalculateMethod(), responseObserver);
+      asyncUnimplementedUnaryCall(getCalculateMethodHelper(), responseObserver);
     }
 
     @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
       return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
           .addMethod(
-            getCalculateMethod(),
+            getCalculateMethodHelper(),
             asyncUnaryCall(
               new MethodHandlers<
                 io.grpc.examples.CalculatorOuterClass.CalculatorRequest,
@@ -130,7 +135,7 @@ protected CalculatorStub build(io.grpc.Channel channel,
     public void calculate(io.grpc.examples.CalculatorOuterClass.CalculatorRequest request,
         io.grpc.stub.StreamObserver<io.grpc.examples.CalculatorOuterClass.CalculatorResponse> responseObserver) {
       asyncUnaryCall(
-          getChannel().newCall(getCalculateMethod(), getCallOptions()), request, responseObserver);
+          getChannel().newCall(getCalculateMethodHelper(), getCallOptions()), request, responseObserver);
     }
   }
 
@@ -156,7 +161,7 @@ protected CalculatorBlockingStub build(io.grpc.Channel channel,
      */
     public io.grpc.examples.CalculatorOuterClass.CalculatorResponse calculate(io.grpc.examples.CalculatorOuterClass.CalculatorRequest request) {
       return blockingUnaryCall(
-          getChannel(), getCalculateMethod(), getCallOptions(), request);
+          getChannel(), getCalculateMethodHelper(), getCallOptions(), request);
     }
   }
 
@@ -183,7 +188,7 @@ protected CalculatorFutureStub build(io.grpc.Channel channel,
     public com.google.common.util.concurrent.ListenableFuture<io.grpc.examples.CalculatorOuterClass.CalculatorResponse> calculate(
         io.grpc.examples.CalculatorOuterClass.CalculatorRequest request) {
       return futureUnaryCall(
-          getChannel().newCall(getCalculateMethod(), getCallOptions()), request);
+          getChannel().newCall(getCalculateMethodHelper(), getCallOptions()), request);
     }
   }
 
@@ -271,7 +276,7 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
         if (result == null) {
           serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
               .setSchemaDescriptor(new CalculatorFileDescriptorSupplier())
-              .addMethod(getCalculateMethod())
+              .addMethod(getCalculateMethodHelper())
               .build();
         }
       }