JianhuaGong opened a new issue, #4516:
URL: https://github.com/apache/servicecomb-java-chassis/issues/4516
在servicecomb.invocation.timeout未配置时，而全链路超时时间默认取值为2倍的request.timeout，当request.timeout配置较小时（很多业务配置较小），只要客户端client
filter执行时间稍微长一点，就会造成请求报408，不符合使用预期，也与历史行为不一致。
```
private void guardedWait(Invocation invocation) throws InvocationException
{
long wait = getWaitTime(invocation);
try {
if (wait <= 0) {
latch.await();
return;
}
if (latch.await(wait, TimeUnit.MILLISECONDS)) {
return;
}
} catch (InterruptedException e) {
//ignore
}
throw new InvocationException(REQUEST_TIMEOUT,
ExceptionCodes.INVOCATION_TIMEOUT, "Invocation Timeout.");
}
private long getWaitTime(Invocation invocation) {
if (invocation.getOperationMeta().getConfig().getMsInvocationTimeout() >
0) {
return
invocation.getOperationMeta().getConfig().getMsInvocationTimeout();
}
return invocation.getOperationMeta().getConfig().getMsRequestTimeout() *
2;
}
```
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