issue 2186, added protection codes prevent access empty property
issue 2186, added protection codes prevent access empty property


git-svn-id: c293a1da8e7fe380f13590cbb9757e7d5abd80c5@10959 201d5d3c-b55e-5fd7-737f-ddc643e51545

hhgyu/xe-core,janghwan/xe-core,Vomvoru/xe-core,youprofit/xe-core,ibin79/xe-core,qkrcjfgus33/xe-core,hhgyu/xe-core,sejin7940/xe-core,wkpark/xe-core,qkrcjfgus33/xe-core,xetown/xe-core,sejin7940/xe-core,Vomvoru/xe-core,ckstoa/xe,wkpark/xe-core,qkrcjfgus33/xe-core,xetown/xe-core,youprofit/xe-core,ckstoa/xe,ibin79/xe-core,ibin79/xe-core,wkpark/xe-core,janghwan/xe-core,Vomvoru/xe-core,xetown/xe-core,sejin7940/xe-core,ckstoa/xe,hhgyu/xe-core,janghwan/xe-core,youprofit/xe-core