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HADOOP-19452. Client#call decrease asyncCallCounter incorrectlly when exceptions occur. #7384
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@Hexiaoqiao @slfan1989 @KeeProMise Sir, PTAL. when you have free time, thanks a lot. |
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Hi, @hfutatzhanghb LGTM! thanks for your contribution!
@hfutatzhanghb Thanks for the contribution! LGTM. |
@Hexiaoqiao Sir, also cc this pr. If no more comments, please help merge it , Thanks a lot. |
Description of PR
Consider below case:
1、We do
asyncCallCounter.incrementAndGet()
and find number of async calls > maxAsyncCalls, then we doasyncCallCounter.decrementAndGet()
andthrow new AsyncCallLimitExceededException(errMsg)
in checkAsyncCall method.2、In Client#call, we invoke releaseAsyncCall() which will do
asyncCallCounter.decrementAndGet()
again.