[Birt-Dev]ChecKIn: Fix 136843[acceptance][regression]NPE when create rep

["Yu Li" <yli@xxxxxxxxxxx>]

- Summary:
Fix the bug about NPE thrown out when create report from template contains Chart
- Bugzilla Bug (s) Resolved:
136843
- Description:
Handle the databinding backward compatibility for Chart. If there is no _expression_ contains in the sub model, Null returned but not the empty list.  

 

- Tests Description  :

- Files Edited:

- Files Added:

 

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  

 

- Notes to Documentation:  

/cvsroot/birt/source/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/parser/ExtendedItemState.java,v  <--  ExtendedItemState.java

   

 

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