[SCB-2206][SCB-2221][SCB-2241]print message null when exception is InvocationTargetException,add executor in edge service,fix microservice.basePaths data type bug

[david6969xin]

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[codecov-commenter]

Codecov Report

Merging #2519 (db11cb3) into 1.3.x (74d0dfb) will decrease coverage by 0.01%.
The diff coverage is 72.72%.

@@             Coverage Diff              @@
##              1.3.x    #2519      +/-   ##
============================================
- Coverage     82.98%   82.97%   -0.02%     
  Complexity      740      740              
============================================
  Files          1230     1230              
  Lines         32944    32943       -1     
  Branches       2990     2990              
============================================
- Hits          27340    27335       -5     
- Misses         4424     4426       +2     
- Partials       1180     1182       +2     

Impacted Files	Coverage Δ
...che/servicecomb/core/executor/ExecutorManager.java	81.81% <33.33%> (-7.66%)	⬇️
...ecomb/swagger/engine/SwaggerProducerOperation.java	82.95% <75.00%> (ø)
...serviceregistry/config/ConfigurePropertyUtils.java	78.26% <100.00%> (-3.23%)	⬇️
...icecomb/demo/springmvc/client/SpringmvcClient.java	83.73% <0.00%> (-0.48%)	⬇️
...egistry/client/LocalServiceRegistryClientImpl.java	79.62% <0.00%> (-0.47%)	⬇️

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