[ISSUE #708] Fix the issue that PushConsumer reentrant pop doesn't work as expected

[redlsz]

Which Issue(s) This PR Fixes

Fixes #708

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 47.18%. Comparing base (3036b04) to head (b13e272).

Files	Patch %	Lines
...mq/client/java/impl/consumer/ProcessQueueImpl.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #709      +/-   ##
============================================
- Coverage     55.82%   47.18%   -8.64%     
  Complexity      651      651              
============================================
  Files           259      207      -52     
  Lines         15856    12385    -3471     
  Branches       4089     3737     -352     
============================================
- Hits           8851     5844    -3007     
+ Misses         6717     6253     -464     
  Partials        288      288              

Flag	Coverage Δ
java	61.68% <0.00%> (ø)
nodejs	?

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[leizhiyuan]

LGTM

[lizhanhui]

Nice catch

[starhu521]

May I know when this fix will be released? This issue often occurs during network fluctuations.