swxEmily opened a new issue, #4929:
URL: https://github.com/apache/servicecomb-java-chassis/issues/4929
### Steps to Reproduce
1. 自定义流控handler：provider-service-handler
2. Edge服务配置Provider handler对所有待转发的请求(转发至多个不同微服务)进行流控控制
### Expected Behavior
自定义流控未执行
### Servicecomb Version
2.9.0
### Additional Context
AbstractRestInvocation中checkQpsFlowControl只能执行CSE自带的ProviderQpsFlowControlHandler，不能执行自定义的流控handler，且函数为private，也不能通过自定义子类覆盖
`private Holder<Boolean> checkQpsFlowControl(OperationMeta operationMeta) {
Holder<Boolean> qpsFlowControlReject = new Holder<>(false);
@SuppressWarnings("deprecation")
Handler providerQpsFlowControlHandler =
operationMeta.getProviderQpsFlowControlHandler();
if (null != providerQpsFlowControlHandler) {
try {
providerQpsFlowControlHandler.handle(invocation, response -> {
qpsFlowControlReject.value = true;
produceProcessor =
ProduceProcessorManager.INSTANCE.findDefaultJsonProcessor();
sendResponse(response);
});
} catch (Throwable e) {
LOGGER.error("failed to execute ProviderQpsFlowControlHandler", e);
qpsFlowControlReject.value = true;
sendFailResponse(e);
}
}
return qpsFlowControlReject;
}`
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