liunancun opened a new issue, #11716:
URL: https://github.com/apache/dubbo/issues/11716
配置
```
dubbo.application.name=demo
dubbo.scan.basePackages=com.example.demo
dubbo.registry.address=zookeeper://192.168.99.214:2181
dubbo.application.qos-enable=false
dubbo.protocol.port=20880
dubbo.consumer.check=false
```
启动类
```
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
```
过滤器
```
@Activate(group = { CommonConstants.PROVIDER, CommonConstants.CONSUMER })
public class DemoFilter implements Filter {
@Override
public Result invoke(Invoker<?> invoker, Invocation invocation) throws
RpcException {
System.out.println(RpcContext.getServiceContext().isConsumerSide());
return invoker.invoke(invocation);
}
}
```
服务接口
```
public interface DemoService {
void test();
}
```
服务实现
```
@DubboService
public class DemoServiceImpl implements DemoService {
@Override
public void test() {
System.out.println("test");
}
}
```
模拟启动调用服务代码
```
@Component
public class MyCommandLineRunner implements CommandLineRunner {
@DubboReference
private DemoService demoService;
@Override
public void run(String... args) throws Exception {
demoService.test();
}
}
```
异常信息
```
2023-03-03 17:51:45.067 ERROR 13216 --- [ main]
o.s.boot.SpringApplication : Application run failed
java.lang.IllegalStateException: Failed to execute CommandLineRunner
at
org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:771)
[spring-boot-2.7.9.jar:2.7.9]
at
org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:752)
[spring-boot-2.7.9.jar:2.7.9]
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
[spring-boot-2.7.9.jar:2.7.9]
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1303)
[spring-boot-2.7.9.jar:2.7.9]
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1292)
[spring-boot-2.7.9.jar:2.7.9]
at com.example.demo.DemoApplication.main(DemoApplication.java:10)
[classes/:na]
Caused by: java.lang.NullPointerException: null
at
org.apache.dubbo.rpc.RpcServiceContext.isConsumerSide(RpcServiceContext.java:144)
~[dubbo-3.1.1.jar:3.1.1]
at com.example.demo.DemoFilter.invoke(DemoFilter.java:17) ~[classes/:na]
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CopyOfFilterChainNode.invoke(FilterChainBuilder.java:326)
~[dubbo-3.1.1.jar:3.1.1]
at
org.apache.dubbo.rpc.cluster.filter.FilterChainBuilder$CallbackRegistrationInvoker.invoke(FilterChainBuilder.java:193)
~[dubbo-3.1.1.jar:3.1.1]
at
org.apache.dubbo.rpc.proxy.InvocationUtil.invoke(InvocationUtil.java:55)
~[dubbo-3.1.1.jar:3.1.1]
at
org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:75)
~[dubbo-3.1.1.jar:3.1.1]
at
com.example.demo.DemoServiceDubboProxy0.test(DemoServiceDubboProxy0.java)
~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_161]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_161]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
~[spring-aop-5.3.25.jar:5.3.25]
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
~[spring-aop-5.3.25.jar:5.3.25]
at com.sun.proxy.$Proxy45.test(Unknown Source) ~[na:na]
at
com.example.demo.MyCommandLineRunner.run(MyCommandLineRunner.java:15)
~[classes/:na]
at
org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:768)
[spring-boot-2.7.9.jar:2.7.9]
... 5 common frames omitted
```
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