Isolate bad server configs during broker startup phase

[lnbest0707-uber]

tags: bugfix

Fix issues mentioned in #12732

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 60.00000% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 62.21%. Comparing base (59551e4) to head (5a9a249).
Report is 301 commits behind head on master.

Files	Patch %	Lines
...che/pinot/broker/routing/BrokerRoutingManager.java	60.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #12931      +/-   ##
============================================
+ Coverage     61.75%   62.21%   +0.45%     
+ Complexity      207      198       -9     
============================================
  Files          2436     2503      +67     
  Lines        133233   136500    +3267     
  Branches      20636    21117     +481     
============================================
+ Hits          82274    84918    +2644     
- Misses        44911    45307     +396     
- Partials       6048     6275     +227     

Flag	Coverage Δ
custom-integration1	<0.01% <0.00%> (-0.01%)	⬇️
integration	<0.01% <0.00%> (-0.01%)	⬇️
integration1	<0.01% <0.00%> (-0.01%)	⬇️
integration2	0.00% <0.00%> (ø)
java-11	62.17% <60.00%> (+0.46%)	⬆️
java-21	62.09% <60.00%> (+0.47%)	⬆️
skip-bytebuffers-false	62.20% <60.00%> (+0.45%)	⬆️
skip-bytebuffers-true	62.07% <60.00%> (+34.34%)	⬆️
temurin	62.21% <60.00%> (+0.45%)	⬆️
unittests	62.20% <60.00%> (+0.45%)	⬆️
unittests1	46.71% <ø> (-0.18%)	⬇️
unittests2	27.99% <60.00%> (+0.26%)	⬆️

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