optimize: server lack of error trace

[l81893521]

Ⅰ. Describe what this PR did

log the error when branch register fail.

Ⅱ. Does this pull request fix one issue?

#1865

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #1866 into develop will decrease coverage by 0.01%.
The diff coverage is 0%.

@@              Coverage Diff              @@
##             develop    #1866      +/-   ##
=============================================
- Coverage      55.37%   55.35%   -0.02%     
+ Complexity      2378     2376       -2     
=============================================
  Files            422      422              
  Lines          14314    14314              
  Branches        1716     1716              
=============================================
- Hits            7926     7924       -2     
  Misses          5654     5654              
- Partials         734      736       +2

Impacted Files	Coverage Δ	Complexity Δ
.../java/io/seata/server/coordinator/DefaultCore.java	42.68% <0%> (ø)	26 <0> (ø)	⬇️
...java/io/seata/server/AbstractTCInboundHandler.java	1.21% <0%> (ø)	1 <0> (ø)	⬇️
...in/java/io/seata/server/session/GlobalSession.java	84.54% <0%> (-0.49%)	67% <0%> (-1%)
...o/seata/server/coordinator/DefaultCoordinator.java	49.19% <0%> (-0.41%)	27% <0%> (-1%)

[zjinlei]

LGTM

[xingfudeshi]

LGTM.

Recommended to throw,and solve the link that is eaten in the middle

[zjinlei]

LGTM