FIX:#906

[wenxuwan]

As title, try to fix panic when zk disconnected.

[codecov-io]

Codecov Report

Merging #907 (ee35594) into develop (2b8aad0) will decrease coverage by 0.32%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           develop     #907      +/-   ##
===========================================
- Coverage    60.11%   59.78%   -0.33%     
===========================================
  Files          260      260              
  Lines        12781    12854      +73     
===========================================
+ Hits          7683     7685       +2     
- Misses        4137     4206      +69     
- Partials       961      963       +2     

Impacted Files	Coverage Δ
registry/zookeeper/registry.go	50.36% <0.00%> (-1.52%)	⬇️
remoting/getty/readwriter.go	42.85% <0.00%> (-11.43%)	⬇️
metadata/report/delegate/delegate_report.go	29.66% <0.00%> (-10.17%)	⬇️
...tocol/rest/server/server_impl/go_restful_server.go	43.90% <0.00%> (-4.88%)	⬇️
remoting/getty/getty_client.go	41.97% <0.00%> (-4.62%)	⬇️
remoting/getty/listener.go	41.08% <0.00%> (-1.18%)	⬇️
remoting/getty/pool.go	68.72% <0.00%> (-0.89%)	⬇️
protocol/dubbo/impl/hessian.go	29.17% <0.00%> (-0.27%)	⬇️
registry/zookeeper/listener.go	67.16% <0.00%> (+0.49%)	⬆️
... and 1 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2b8aad0...ee35594. Read the comment docs.

[zouyx]

Which version would you want to fix ? in 1.4.5 or the lastest version？ You use 1.4.5

#906

[wenxuwan]

Which version would you want to fix ? in 1.4.5 or the lastest version？ You use 1.4.5

#906

common issue, we can merge into develop branch, i use my own branch local which fork from 1.4.5.