Bug 141255 No error for the incompatible parameter value
Steps to reproduce: 1.New a decimal parameter, set the default value to "aaa" 2.Preview the report by "Preview" tab Expected result: Error to say the incompatible parameter value Actual result: Parameter request page keeps poping up till input the decimal value Note: if preview in Web Viewer, error will be thrown out, but no exception description.
UI/org.eclipse.birt.report.designer.ui.preview/src/org/eclipse/birt/report/designer/ui/preview/editors/ReportPreviewFormPage.java
.getSessionHandle( );
			File configFile = new File( configFileName );
			
			if ( configFile != null && configFile.exists( )
					&& configFile.isFile( ) )
			{
				handle = sessionHandle.openDesign( configFileName );
				if ( handle != null )
				{
					
					Iterator it = handle.configVariablesIterator( );
					while ( it != null && it.hasNext( ) )
					{
						ConfigVariableHandle configVar = (ConfigVariableHandle) it
								.next( );
						if ( configVar != null && configVar.getName( ) != null )
						{
							
							String paramName = getParameterName( configVar
									.getName( ) );
							if ( paramName != null && paramName.length( ) > 0 )
							{
								configVars
										.put( paramName, configVar.getValue( ) );
							}
						}
					}
					handle.close( );
				}
			}