回声测试
通过回声测试检测 Dubbo 服务是否可用
回声测试用于检测服务是否可用,回声测试按照正常请求流程执行,能够测试整个调用是否通畅,可用于监控。
所有服务自动实现 EchoService 接口,只需将任意服务引用强制转型为 EchoService,即可使用。
Spring 配置:
<dubbo:reference id="memberService" interface="com.xxx.MemberService" />
代码:
// 远程服务引用
MemberService memberService = ctx.getBean("memberService");
EchoService echoService = (EchoService) memberService; // 强制转型为EchoService
// 回声测试可用性
String status = echoService.$echo("OK");
assert(status.equals("OK"));
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最后修改 July 25, 2021: close archive (089783d)