[#3881] update init cse server address choose index for random

[chengyouling]

No description provided.

[codecov-commenter]

Codecov Report

Merging #3882 (42a5ba7) into master (62d6282) will decrease coverage by 0.85%.
Report is 72 commits behind head on master.
The diff coverage is 66.80%.

❗ Current head 42a5ba7 differs from pull request most recent head e6945d6. Consider uploading reports for the commit e6945d6 to get more accurate results

@@             Coverage Diff              @@
##             master    #3882      +/-   ##
============================================
- Coverage     43.72%   42.88%   -0.85%     
+ Complexity     5949     5248     -701     
============================================
  Files          1530     1411     -119     
  Lines         37766    34391    -3375     
  Branches       3523     3263     -260     
============================================
- Hits          16514    14749    -1765     
+ Misses        19943    18490    -1453     
+ Partials       1309     1152     -157     

Files Changed	Coverage Δ
...vice/center/client/model/MicroserviceInstance.java	86.36% <0.00%> (+86.36%)	⬆️
...ecomb/common/accessLog/AccessLogConfiguration.java	0.00% <0.00%> (ø)
...pache/servicecomb/common/rest/codec/RestCodec.java	100.00% <ø> (ø)
...java/org/apache/servicecomb/core/BootListener.java	81.81% <ø> (-1.52%)	⬇️
...n/java/org/apache/servicecomb/core/Invocation.java	58.78% <0.00%> (-0.50%)	⬇️
.../apache/servicecomb/core/NonSwaggerInvocation.java	0.00% <0.00%> (ø)
...pache/servicecomb/core/bootstrap/SCBBootstrap.java	0.00% <0.00%> (ø)
...apache/servicecomb/core/filter/ConsumerFilter.java	100.00% <ø> (ø)
...ava/org/apache/servicecomb/core/filter/Filter.java	40.00% <0.00%> (+6.66%)	⬆️
...e/servicecomb/core/transport/TransportManager.java	58.49% <0.00%> (ø)
... and 87 more

... and 332 files with indirect coverage changes

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