KYLIN-3597 fix sonar reported issues

[shaofengshi]

No description provided.

[asfgit]

Can one of the admins verify this patch?

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@d2a2864). Click here to learn what that means.
The diff coverage is 36.36%.

@@           Coverage Diff            @@
##             master    #285   +/-   ##
========================================
  Coverage          ?   21.3%           
  Complexity        ?    4437           
========================================
  Files             ?    1087           
  Lines             ?   69912           
  Branches          ?   10100           
========================================
  Hits              ?   14893           
  Misses            ?   53618           
  Partials          ?    1401

Impacted Files	Coverage Δ	Complexity Δ
...in/storage/hbase/util/GridTableHBaseBenchmark.java	0% <0%> (ø)	0 <0> (?)
.../apache/kylin/common/persistence/ResourceTool.java	24.65% <100%> (ø)	13 <0> (?)
...he/kylin/common/persistence/HDFSResourceStore.java	23% <33.33%> (ø)	5 <0> (?)
...apache/kylin/common/persistence/ResourceStore.java	62% <75%> (ø)	29 <0> (?)

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[shaofengshi]

Integration test failed, I'm checking.