Bug 118644 Hint for Date Time Parameters
The hint you give for date time parameters (Please enter date ... pattern: MM/DD/YYYY ....) is only true if the date is unformatted. If you apply a format, you must enter it according to it. So it's quite confusing!
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
	protected void okPressed( )
	{
		try
		{
			inputParameter.setName( nameEditor.getText( ) );
			inputParameter.setDisplayName( UIUtil.convertToModelString( promptTextEditor.getText( ),
					true ) );
			if ( !isStatic( ) && !StringUtil.isBlank( listLimit.getText( ) ) )
			{
				try
				{
					inputParameter.setListlimit( Integer.parseInt( listLimit.getText( ) ) );
				}
				catch ( NumberFormatException ex )
				{
					ExceptionHandler.openErrorMessageBox( ERROR_TITLE_INVALID_LIST_LIMIT,
							MessageFormat.format( ERROR_MSG_INVALID_LIST_LIMIT,
									new Object[]{
										Integer.toString( Integer.MAX_VALUE )
									} ) );
				}
			}
			else
			{
				inputParameter.setProperty( ScalarParameterHandle.LIST_LIMIT_PROP,
						null );
			}
			String newControlType = getSelectedControlType( );
			if ( PARAM_CONTROL_COMBO.equals( newControlType ) )