guohao commented on code in PR #9954:
URL: https://github.com/apache/dubbo/pull/9954#discussion_r856244886
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dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/api/Connection.java:
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@@ -192,10 +192,8 @@ public boolean isAvailable() {
if (channel != null && channel.isActive()) {
return true;
}
- synchronized (this) {
Review Comment:
Assume that thread 1 passes the cas , thread2 skips the cas, no matter
thread1 or thread2 creates a promise, both threads will wait for it complete.
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