[SCB-2171] avoid leak server ip when process TimeoutException

[wujimin]

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[codecov-io]

Codecov Report

Merging #2162 (6b6be2d) into master (4546c6d) will decrease coverage by 0.02%.
The diff coverage is 33.33%.

@@             Coverage Diff              @@
##             master    #2162      +/-   ##
============================================
- Coverage     80.69%   80.67%   -0.03%     
  Complexity     1339     1339              
============================================
  Files          1462     1462              
  Lines         40185    40186       +1     
  Branches       3412     3412              
============================================
- Hits          32429    32419      -10     
- Misses         6290     6299       +9     
- Partials       1466     1468       +2     

Impacted Files	Coverage Δ	Complexity Δ
...exception/converter/TimeoutExceptionConverter.java	57.14% <33.33%> (+7.14%)	0.00 <0.00> (ø)
...b/foundation/vertx/server/TcpServerConnection.java	58.82% <0.00%> (-17.65%)	0.00% <0.00%> (ø%)
...pache/servicecomb/config/kie/client/KieClient.java	72.61% <0.00%> (-5.96%)	0.00% <0.00%> (ø%)
.../servicecomb/registry/discovery/DiscoveryTree.java	96.49% <0.00%> (-3.51%)	0.00% <0.00%> (ø%)
...ecomb/provider/pojo/PojoConsumerMetaRefresher.java	75.60% <0.00%> (-2.44%)	0.00% <0.00%> (ø%)

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