springboot集成grpc报错：io.grpc.StatusRuntimeException: INTERNAL: Connection closed with unknown cause

╰半夏微凉° 2022-04-06 04:08 867阅读 0赞

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## 使用 springboot 集成 grpc 和 protobuf 时出现以下错误： ##

io.grpc.StatusRuntimeException: INTERNAL: Connection closed with unknown cause
    at io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:141)
    at io.grpc.stub.ServerCalls$1$1.onHalfClose(ServerCalls.java:148)
    at io.grpc.internal.SerializingExecutor$TaskRunner.run(SerializingExecutor.java:152)
    at io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:227)
    at io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:208)

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## 原因：一系列 io.grpc 依赖版本不匹配 ##

*  由于我前面使用io.grpc是1.4.0版本，然后请求一直报上面的错误，可以参考以下版本，我改成1.11.0之后就可以了

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## 解决方案： ##

*  以下配置pom依赖可以借鉴：结果是可以正常连接的

<dependency>
                <groupId>com.google.protobuf</groupId>
                <artifactId>protobuf-java</artifactId>
                <version>3.6.1</version>
            </dependency>
            <dependency>
                <groupId>com.googlecode.protobuf-java-format</groupId>
                <artifactId>protobuf-java-format</artifactId>
                <version>1.2</version>
            </dependency>
            
            <dependency>
                <groupId>io.grpc</groupId>
                <artifactId>grpc-netty</artifactId>
                <version>1.11.0</version>
            </dependency>
            <dependency>
                <groupId>io.grpc</groupId>
                <artifactId>grpc-protobuf</artifactId>
                <version>1.11.0</version>
            </dependency>
            <dependency>
                <groupId>io.grpc</groupId>
                <artifactId>grpc-stub</artifactId>
                <version>1.11.0</version>
            </dependency>
            <dependency>
                <groupId>io.grpc</groupId>
                <artifactId>grpc-all</artifactId>
                <version>1.11.0</version>
            </dependency>
            
            <dependency>
                <groupId>io.netty</groupId>
                <artifactId>netty-all</artifactId>
                <version>4.1.22.Final</version>
            </dependency>
            <dependency>
                <groupId>io.netty</groupId>
                <artifactId>netty-tcnative-boringssl-static</artifactId>
                <version>2.0.8.Final</version>
            </dependency>
    
            
            <dependency>
                <groupId>net.devh</groupId>
                <artifactId>grpc-client-spring-boot-starter</artifactId>
                <version>1.3.0-RELEASE</version>
            </dependency>
    
    		<dependency>
                <groupId>com.google.api.grpc</groupId>
                <artifactId>proto-google-common-protos</artifactId>
                <version>1.0.0</version>
            </dependency>
    		
    		<plugin>
               <groupId>org.xolstice.maven.plugins</groupId>
                <artifactId>protobuf-maven-plugin</artifactId>
                <version>0.5.0</version>
                <configuration>
                    <protocArtifact>com.google.protobuf:protoc:3.6.1:exe:${ os.detected.classifier}</protocArtifact>
                    <pluginId>grpc-java</pluginId>
                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.11.0:exe:${ os.detected.classifier}</pluginArtifact>
                    
                    <protoSourceRoot>${ project.basedir}/src/main/proto</protoSourceRoot>
                    
                    
                    <outputDirectory>${ project.basedir}/src/main/java</outputDirectory>
                    
                    <clearOutputDirectory>false</clearOutputDirectory>
                </configuration>
                <executions>
                    <execution>
                        
                        <phase>compile</phase>
                        <goals>
                            
                            <goal>compile</goal>
                            
                            <goal>compile-custom</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

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