When use delay to export service, catch the exception and log it.

[horizonzy]

What is the purpose of the change

when use delay export service, the log info won't be print.

how to test it?
in dubbo-demo-xml-provider, modify the registry address to redis://127.0.0.1:6379?registry-type=service and run it.

[codecov-commenter]

Codecov Report

Merging #8584 (bdff7fc) into 3.0 (0382a6b) will increase coverage by 0.27%.
The diff coverage is 61.40%.

@@             Coverage Diff              @@
##                3.0    #8584      +/-   ##
============================================
+ Coverage     63.00%   63.28%   +0.27%     
  Complexity      312      312              
============================================
  Files          1117     1118       +1     
  Lines         46754    46813      +59     
  Branches       7038     7057      +19     
============================================
+ Hits          29459    29624     +165     
+ Misses        14026    13898     -128     
- Partials       3269     3291      +22     

Impacted Files	Coverage Δ
...ient/metadata/store/RemoteMetadataServiceImpl.java	64.78% <0.00%> (-5.64%)	⬇️
.../registry/zookeeper/ZookeeperServiceDiscovery.java	82.14% <0.00%> (+4.61%)	⬆️
...nfig/bootstrap/builders/MetadataReportBuilder.java	92.68% <33.33%> (-4.69%)	⬇️
.../report/support/AbstractMetadataReportFactory.java	63.15% <46.15%> (-10.18%)	⬇️
.../java/org/apache/dubbo/config/ReferenceConfig.java	75.68% <50.00%> (-1.49%)	⬇️
.../apache/dubbo/config/bootstrap/DubboBootstrap.java	70.16% <50.00%> (+0.31%)	⬆️
...apache/dubbo/registry/ListenerRegistryWrapper.java	55.07% <50.00%> (-4.63%)	⬇️
...ubbo/registry/support/AbstractRegistryFactory.java	70.88% <61.90%> (-5.51%)	⬇️
...in/java/org/apache/dubbo/config/ServiceConfig.java	71.08% <75.00%> (+0.32%)	⬆️
...registry/zookeeper/util/CuratorFrameworkUtils.java	84.78% <75.00%> (-8.25%)	⬇️
... and 92 more

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