optimize: optimize exceptions to make them friendly

[slievrly]

Signed-off-by: slievrly slievrly@163.com

• I have registered the PR changes.

Ⅰ. Describe what this PR did

optimize exceptions to make them friendly

Ⅱ. Does this pull request fix one issue?

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

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[funky-eyes]

LGTM

[codecov-commenter]

Codecov Report

Merging #4299 (f4bf4ad) into develop (a09a279) will decrease coverage by 0.01%.
The diff coverage is 54.54%.

@@              Coverage Diff              @@
##             develop    #4299      +/-   ##
=============================================
- Coverage      48.50%   48.49%   -0.02%     
+ Complexity      3825     3821       -4     
=============================================
  Files            726      726              
  Lines          24423    24410      -13     
  Branches        3009     3008       -1     
=============================================
- Hits           11847    11838       -9     
+ Misses         11323    11319       -4     
  Partials        1253     1253              

Impacted Files	Coverage Δ
...io/seata/common/exception/DataAccessException.java	100.00% <ø> (ø)
...eata/common/exception/EurekaRegistryException.java	100.00% <ø> (ø)
...java/io/seata/common/exception/RedisException.java	0.00% <ø> (ø)
...a/common/exception/ShouldNeverHappenException.java	100.00% <ø> (ø)
...java/io/seata/common/exception/StoreException.java	100.00% <ø> (ø)
...java/io/seata/rm/datasource/ConnectionContext.java	74.35% <0.00%> (ø)
...n/java/io/seata/rm/datasource/ConnectionProxy.java	25.00% <0.00%> (ø)
...java/io/seata/rm/datasource/DataSourceManager.java	24.39% <0.00%> (ø)
...eata/rm/datasource/exec/LockConflictException.java	75.00% <ø> (-5.00%)	⬇️
.../seata/rm/datasource/undo/UndoExecutorFactory.java	75.00% <0.00%> (ø)
... and 6 more

[objcoding]

LGTM.