在Spring中使用quartz,job触发时需要使用Feign调用一个额外的服务,但此时会报空指针(NullPointerException),请问如何处理?
Feign接口类似:
@FeignClient(name = "people-res")
public interface PeopleClient {
// 不需要验证的普通接口
@GetMapping("/people")
public String peopleCheck() throws Exception;
}
调用方法类似:
public class PeopleJob implements Job {
// 已经知道这样写无法注入,但用一般的直接在Spring容器中取Bean的方式取不到Feign接口类
@Resource
private PeopleClient peopleClient;
public void execute(JobExecutionContext context) throws JobExecutionException {
...
String id = peopleClient.peopleCheck(); // <-- 报错
...
报错为:
java.lang.NullPointerException
at org.XXXXXX.fegin.SecuringRequestInterceptor.apply(SecuringRequestInterceptor.java:21)
at feign.SynchronousMethodHandler.targetRequest(SynchronousMethodHandler.java:176)
at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:101)
at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:80)
at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:100)
at com.sun.proxy.$Proxy208.peopleCheck(Unknown Source)
网上代码不很多嘛,自己去继承SpringBeanJobFactory,重写createJobInstance方法,这样生成的bean就能注入对象了