Bug 206285 Rename the report contain parameter will lead to the report cannot be preview[0705]
Description: Rename the report will lead to the report cannot be preview[0705] Step: 1. New a report contain a parameter named R1. 2. Preview it. 3. Rename the report as R2 4. Preview it again. Actual result: Step 2 is ok. But the step 4 will pop up an error and said that the report does not exist or contains errors. Expected result: The report can be preview when rename it.
UI/org.eclipse.birt.report.designer.ui.preview.web/src/org/eclipse/birt/report/designer/ui/preview/editors/ReportPreviewFormPage.java
}
					Object valueObj = params.get( parameter.getName( ) );
					if ( valueObj == null )
					{
						missingParameter = true;
						break;
					}
					if ( valueObj instanceof List )
					{
						
						
						List values = (List) valueObj;
						for ( int j = 0; j < values.size( ); j++ )
						{
							Object value = values.get( j );
							if ( value == null )
							{
								missingParameter = true;
								break;
							}
							if ( DesignChoiceConstants.PARAM_TYPE_STRING
									.equalsIgnoreCase( parameter.getDataType( ) )
									&& ( (String) value ).length( ) <= 0 )
							{
								missingParameter = true;
								break;
							}
						}
						if ( missingParameter )
							break;