Spring Boot 3.2.1集成gRPC服务端后，gRPC客户端请求阻塞超时问题
2026-4-20
Spring Boot 3.2.1集成gRPC服务端后，gRPC客户端请求阻塞超时问题
问题场景
我有一个基于Spring Boot 3.2.1的应用，原本只集成了gRPC客户端，所有请求都能正常处理。但在同一个应用中添加gRPC服务端之后，怪事发生了：gRPC服务端的请求能正常响应，可gRPC客户端发起请求时会直接阻塞，直到手动设置超时后才抛出DEADLINE_EXCEEDED异常。
环境配置
依赖配置（pom.xml）
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-validation</artifactId> </dependency> <dependency> <groupId>org.flywaydb</groupId> <artifactId>flyway-core</artifactId> <version>9.22.0</version> </dependency> <dependency> <groupId>org.postgresql</groupId> <artifactId>postgresql</artifactId> <version>42.7.1</version> </dependency> <dependency> <groupId>org.springdoc</groupId> <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId> <version>2.2.0</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>net.devh</groupId> <artifactId>grpc-client-spring-boot-starter</artifactId> <version>2.15.0.RELEASE</version> </dependency> <dependency> <groupId>net.devh</groupId> <artifactId>grpc-server-spring-boot-starter</artifactId> <version>2.15.0.RELEASE</version> </dependency> <dependency> <groupId>io.grpc</groupId> <artifactId>grpc-stub</artifactId> <version>${grpc.version}</version> </dependency> <dependency> <groupId>io.grpc</groupId> <artifactId>grpc-protobuf</artifactId> <version>${grpc.version}</version> </dependency> <dependency> <groupId>io.grpc</groupId> <artifactId>grpc-netty</artifactId> <version>${grpc.version}</version> </dependency> <dependency> <groupId>javax.annotation</groupId> <artifactId>javax.annotation-api</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>org.mapstruct</groupId> <artifactId>mapstruct</artifactId> <version>${mapstruct.version}</version> </dependency> <dependency> <groupId>org.testcontainers</groupId> <artifactId>postgresql</artifactId> <version>${testcontainers.version}</version> <scope>test</scope> </dependency> <dependency> <groupId>org.testcontainers</groupId> <artifactId>junit-jupiter</artifactId> <version>${testcontainers.version}</version> <scope>test</scope> </dependency> <dependency> <groupId>io.grpc</groupId> <artifactId>grpc-testing</artifactId> <version>1.61.0</version> <scope>test</scope> </dependency> <dependency> <groupId>org.hibernate.orm</groupId> <artifactId>hibernate-jpamodelgen</artifactId> <version>${jpamodelgen.version}</version> <scope>provided</scope> </dependency> </dependencies> <build> <extensions> <extension> <groupId>kr.motd.maven</groupId> <artifactId>os-maven-plugin</artifactId> <version>1.7.0</version> </extension> </extensions> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <excludes> <exclude> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </exclude> </excludes> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <annotationProcessorPaths> <path> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>${lombok.version}</version> </path> <path> <groupId>org.mapstruct</groupId> <artifactId>mapstruct-processor</artifactId> <version>${mapstruct.version}</version> </path> <path> <groupId>org.hibernate</groupId> <artifactId>hibernate-jpamodelgen</artifactId> <version>${jpamodelgen.version}</version> </path> </annotationProcessorPaths> </configuration> </plugin> <plugin> <groupId>org.xolstice.maven.plugins</groupId> <artifactId>protobuf-maven-plugin</artifactId> <version>0.6.1</version> <configuration> <protocArtifact>com.google.protobuf:protoc:${protobuf.version}:exe:${os.detected.classifier}</protocArtifact> <pluginId>grpc-java</pluginId> <pluginArtifact>io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}</pluginArtifact> </configuration> <executions> <execution> <goals> <goal>compile</goal> <goal>compile-custom</goal> </goals> </execution> </executions> </plugin> </plugins> </build>
应用配置（application.yaml）
spring: main: banner-mode: off datasource: driverClassName: org.postgresql.Driver url: jdbc:postgresql://localhost:5432/postgres?prepareThreshold=0 username: user password: postgres jpa: generate-ddl: false hibernate: ddl-auto: none flyway: enabled: true server: port: 8081 grpc: client: account-grpc-server: address: static://localhost:8080 enableKeepAlive: true keepAliveWithoutCalls: true negotiationType: plaintext server: port: 8082 logging: level: root: trace grpc: trace
日志信息
初始阻塞日志
2024-02-20T21:39:08.645+06:00 DEBUG 22556 --- [nio-8081-exec-1] io.grpc.ChannelLogger : [Channel<1>: (static://localhost:8080)] Exiting idle mode 2024-02-20T21:39:08.651+06:00 DEBUG 22556 --- [nio-8081-exec-1] io.grpc.util.MultiChildLoadBalancer : Created 2024-02-20T21:39:08.652+06:00 TRACE 22556 --- [nio-8081-exec-1] io.grpc.ChannelLogger : [Channel<1>: (static://localhost:8080)] Resolved address: [[[localhost/127.0.0.1:8080]/{}]], config={io.grpc.internal.RetryingNameResolver.RESOLUTION_RESULT_LISTENER_KEY=io.grpc.internal.RetryingNameResolver$ResolutionResultListener@4dd6799c} 2024-02-20T21:39:08.652+06:00 DEBUG 22556 --- [nio-8081-exec-1] io.grpc.ChannelLogger : [Channel<1>: (static://localhost:8080)] Address resolved: [[[localhost/127.0.0.1:8080]/{}]] 2024-02-20T21:39:08.658+06:00 DEBUG 22556 --- [nio-8081-exec-1] io.grpc.Context : Storage override doesn't exist. Using default java.lang.ClassNotFoundException: io.grpc.override.ContextStorageOverride at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[na:na] at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[na:na] at java.base/java.lang.Class.forName0(Native Method) ~[na:na] at java.base/java.lang.Class.forName(Class.java:375) ~[na:na] at io.grpc.Context$LazyStorage.createStorage(Context.java:129) ~[grpc-api-1.59.0.jar:1.59.0] at io.grpc.Context$LazyStorage.<clinit>(Context.java:118) ~[grpc-api-1.59.0.jar:1.59.0] at io.grpc.Context.storage(Context.java:106) ~[grpc-api-1.59.0.jar:1.59.0] at io.grpc.Context.current(Context.java:172) ~[grpc-api-1.59.0.jar:1.59.0] at io.grpc.internal.ClientCallImpl.<init>(ClientCallImpl.java:122) ~[grpc-core-1.59.0.jar:1.59.0] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.17.jar:10.1.17] at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na] 2024-02-20T21:39:09.280+06:00 DEBUG 22556 --- [nio-8081-Poller] org.apache.tomcat.util.net.NioEndpoint : timeout completed: keys processed=1; now=1708443549280; nextExpiration=1708443548904; keyCount=0; hasEvents=false; eval=false 2024-02-20T21:39:09.911+06:00 DEBUG 22556 --- [5)-172.20.10.14] sun.rmi.transport.tcp : RMI TCP Connection(5)-172.20.10.14: accepted socket from [172.20.10.14:62195]
添加5秒超时后的日志
2024-02-21T09:04:51.670+06:00 DEBUG 1976 --- [nio-8099-Poller] org.apache.tomcat.util.net.NioEndpoint : timeout completed: keys processed=1; now=1708484691669; nextExpiration=1708484691664; keyCount=0; hasEvents=false; eval=false 2024-02-21T09:04:52.684+06:00 DEBUG 1976 --- [nio-8099-Poller] org.apache.tomcat.util.net.NioEndpoint : timeout completed: keys processed=1; now=1708484692684; nextExpiration=1708484692669; keyCount=0; hasEvents=false; eval=false 2024-02-21T09:04:53.699+06:00 DEBUG 1976 --- [nio-8099-Poller] org.apache.tomcat.util.net.NioEndpoint : timeout completed: keys processed=1; now=1708484693699; nextExpiration=1708484693684; keyCount=0; hasEvents=false; eval=false 2024-02-21T09:04:54.709+06:00 DEBUG 1976 --- [nio-8099-Poller] org.apache.tomcat.util.net.NioEndpoint : timeout completed: keys processed=1; now=1708484694709; nextExpiration=1708484694699; keyCount=0; hasEvents=false; eval=false 2024-02-21T09:04:55.721+06:00 DEBUG 1976 --- [nio-8099-Poller] org.apache.tomcat.util.net.NioEndpoint : timeout completed: keys processed=1; now=1708484695721; nextExpiration=1708484695709; keyCount=0; hasEvents=false; eval=false 2024-02-21T09:04:55.872+06:00 ERROR 1976 --- [nio-8099-exec-8] k.p.m.service.grpc.AccountService : Error when getting response from account-service: DEADLINE_EXCEEDED: deadline exceeded after 4.794824000s. Name resolution delay 0.000000000 seconds. [closed=[], open=[[buffered_nanos=4802324400, waiting_for_connection]]] io.grpc.StatusRuntimeException: DEADLINE_EXCEEDED: deadline exceeded after 4.794824000s. Name resolution delay 0.000000000 seconds. [closed=[], open=[[buffered_nanos=4802324400, waiting_for_connection]]] at io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:268) ~[grpc-stub-1.59.0.jar:1.59.0] at io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:249) ~[grpc-stub-1.59.0.jar:1.59.0] at io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:167) ~[grpc-stub-1.59.0.jar:1.59.0] at kz.paspay.paspayledgerservice.grpc.AccountServiceGrpc$AccountServiceBlockingStub.setAccountsForMerchant(AccountServiceGrpc.java:358) ~[classes/:na] at kz.paspay.merchantserviceinner.service.grpc.AccountService.setAccountsForMerchant(AccountService.java:30) ~[classes/:na] at kz.paspay.merchantserviceinner.service.MerchantService.createAccounts(MerchantService.java:185) ~[classes/:na] at kz.paspay.merchantserviceinner.service.MerchantService.createMerchant(MerchantService.java:69) ~[classes/:na] ... 2024-02-21T09:04:55.886+06:00 TRACE 1976 --- [nio-8099-exec-8] o.s.t.i.TransactionInterceptor : Completing transaction for [kz.paspay.merchantserviceinner.service.MerchantService.createMerchant] after exception: AccountServiceResponseException(code=400) 2024-02-21T09:04:55.886+0
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