fix issue 2638[解析非法字符串JSON.parseObject("}",JaveBean.class ) 没有抛出异常，测试"] " 可以抛出]

[JacceYang]

No description provided.

[codecov-io]

Codecov Report

Merging #2641 into master will decrease coverage by 0.02%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master    #2641      +/-   ##
============================================
- Coverage     81.26%   81.24%   -0.03%     
+ Complexity     7031     7027       -4     
============================================
  Files           143      143              
  Lines         26246    26248       +2     
  Branches       6274     6275       +1     
============================================
- Hits          21330    21324       -6     
- Misses         3105     3110       +5     
- Partials       1811     1814       +3

Impacted Files	Coverage Δ	Complexity Δ
...com/alibaba/fastjson/parser/DefaultJSONParser.java	88.09% <0%> (-0.19%)	314 <0> (+1)
...ava/com/alibaba/fastjson/serializer/DateCodec.java	87.58% <0%> (-1.97%)	37% <0%> (-1%)
...n/java/com/alibaba/fastjson/util/JavaBeanInfo.java	87.65% <0%> (-0.19%)	194% <0%> (-1%)
...java/com/alibaba/fastjson/parser/ParserConfig.java	82.66% <0%> (-0.18%)	197% <0%> (-1%)
...ava/com/alibaba/fastjson/parser/JSONLexerBase.java	71.25% <0%> (-0.04%)	807% <0%> (-1%)

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