Fix mvn install error

[Linary]

Change-Id: Ic9325339ed4c94f262fe6c793487f6dbc84018d9

[codecov]

Codecov Report

Merging #726 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #726   +/-   ##
=========================================
  Coverage     71.41%   71.41%           
+ Complexity     4328     4327    -1     
=========================================
  Files           280      280           
  Lines         20593    20593           
  Branches       2893     2893           
=========================================
  Hits          14706    14706           
+ Misses         4444     4443    -1     
- Partials       1443     1444    +1

Impacted Files	Coverage Δ	Complexity Δ
...du/hugegraph/backend/tx/GraphIndexTransaction.java	80.58% <0%> (-0.4%)	179% <0%> (ø)
...va/com/baidu/hugegraph/backend/cache/RamCache.java	73.33% <0%> (-0.4%)	50% <0%> (-1%)
...om/baidu/hugegraph/api/filter/ExceptionFilter.java	40.86% <0%> (+4.3%)	0% <0%> (ø)	⬇️

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