[birt-dev] CheckIn:Fix 181130 DataException when preview attached crosst

["Lin Zhu" <lzhu@xxxxxxxxxxx>]

- Summary:
CheckIn:Fix 181130 DataException when preview attached crosstab.[1101]

- Bugzilla Bug (s) Resolved:

[181130] DataException when preview attached crosstab.[1101]

 

- Description:
Currently we do not support NULL value level keys, this is the source of exception in this bug. However the error message is not that user friendly. Enhance the error message to fix this bug.

 

- Tests Description:
Manual Test.     

- Files Edited:
"/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java"

 

- Files Added:

- Files Deleted:

N/A

 

- Notes to Build Team:
N/A

- Notes to Developers:
N/A

- Notes to QA:  

N/A

 

- Notes to Documentation:  
N/A