BurningCN commented on a change in pull request #9723:
URL: https://github.com/apache/dubbo/pull/9723#discussion_r815305934
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File path:
dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboProtocol.java
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@@ -181,13 +185,32 @@ private void invoke(Channel channel, String methodKey) {
Invocation invocation = createInvocation(channel,
channel.getUrl(), methodKey);
if (invocation != null) {
try {
+ if
(Boolean.TRUE.toString().equals(invocation.getAttachment(STUB_EVENT_KEY))) {
+ getOrWaitStubService(channel, invocation);
+ }
received(channel, invocation);
} catch (Throwable t) {
logger.warn("Failed to invoke event method " +
invocation.getMethodName() + "(), cause: " + t.getMessage(), t);
}
}
}
+ private void getOrWaitStubService(Channel channel, Invocation
invocation) throws InterruptedException {
+ try {
+ Invoker<?> invoker = getInvoker(channel, invocation);
Review comment:
If getInvoker throws an exception, it means that the stub service has
not been exposed, it will try to wait for the signal that the stub exposure is
complete, and then call back the related methods of the stub service.
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