Fix concurrent modification exception of stated urls

[chickenlj]

also see #9777

[codecov-commenter]

Codecov Report

Merging #9779 (b5062bc) into master (a0d48d2) will decrease coverage by 0.49%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #9779      +/-   ##
============================================
- Coverage     60.87%   60.37%   -0.50%     
+ Complexity      448      445       -3     
============================================
  Files          1100     1100              
  Lines         44507    44546      +39     
  Branches       6473     6463      -10     
============================================
- Hits          27092    26895     -197     
- Misses        14450    14677     +227     
- Partials       2965     2974       +9     

Impacted Files	Coverage Δ
...java/org/apache/dubbo/rpc/model/ProviderModel.java	47.76% <100.00%> (ø)
...ookeeper/ZookeeperDynamicConfigurationFactory.java	0.00% <0.00%> (-66.67%)	⬇️
...pport/zookeeper/ZookeeperDynamicConfiguration.java	0.00% <0.00%> (-60.00%)	⬇️
...fig/configcenter/TreePathDynamicConfiguration.java	25.71% <0.00%> (-54.29%)	⬇️
.../configcenter/support/zookeeper/CacheListener.java	0.00% <0.00%> (-32.44%)	⬇️
...gcenter/wrapper/CompositeDynamicConfiguration.java	36.66% <0.00%> (-26.67%)	⬇️
...g/apache/dubbo/remoting/p2p/support/FileGroup.java	41.50% <0.00%> (-22.65%)	⬇️
...ng/transport/dispatcher/all/AllChannelHandler.java	62.06% <0.00%> (-20.69%)	⬇️
...dubbo/common/status/support/LoadStatusChecker.java	46.15% <0.00%> (-15.39%)	⬇️
...ng/transport/dispatcher/WrappedChannelHandler.java	47.82% <0.00%> (-15.22%)	⬇️
... and 71 more

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