consul enhancement

[Moriadry-zz]

What is the purpose of the change

hi, Ian @beiwei30 as we discussed in #3906, this is a follow up. we choose to use http ttl check for consul heartbeat, rather than TCP check. And this works perfectly.

Brief changelog

XXXXX

Verifying this change

XXXXX

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[codecov-io]

Codecov Report

Merging #3963 into master will increase coverage by <.01%.
The diff coverage is 93.75%.

@@             Coverage Diff             @@
##             master   #3963      +/-   ##
===========================================
+ Coverage     63.89%   63.9%   +<.01%     
- Complexity       98     100       +2     
===========================================
  Files           715     715              
  Lines         31493   31505      +12     
  Branches       5074    5075       +1     
===========================================
+ Hits          20122   20132      +10     
+ Misses         9067    9063       -4     
- Partials       2304    2310       +6

Impacted Files	Coverage Δ	Complexity Δ
...g/apache/dubbo/registry/consul/ConsulRegistry.java	59.6% <93.75%> (+2.76%)	27 <2> (+2)	⬆️
...c/main/java/org/apache/dubbo/rpc/RpcException.java	82.75% <0%> (-3.45%)	0% <0%> (ø)
...dubbo/remoting/exchange/support/DefaultFuture.java	71.42% <0%> (-2.05%)	0% <0%> (ø)
.../exchange/support/header/HeaderExchangeServer.java	66.98% <0%> (-1.89%)	0% <0%> (ø)
...pache/dubbo/registry/support/AbstractRegistry.java	81.22% <0%> (-1.15%)	0% <0%> (ø)
.../apache/dubbo/remoting/transport/AbstractPeer.java	63.04% <0%> (ø)	0% <0%> (ø)	⬇️
...che/dubbo/remoting/transport/mina/MinaChannel.java	53.94% <0%> (+10.52%)	0% <0%> (ø)	⬇️

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[beiwei30]

LGTM. Have you tested it?

[Moriadry-zz]

@beiwei30 yes, already tested it.