Bug 154325 Use input absolute path as the parameter in error message
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
String ISOName = toISOString( name );
		if ( paramMap != null && paramMap.containsKey( ISOName ) )
		{
			isExist = true;
		}
		Set nullParams = getParameterValues( request, PARAM_ISNULL );
		if ( nullParams != null && nullParams.contains( name ) )
		{
			isExist = true;
		}
		return isExist;
	}
	/**
	 * If a report file name is a relative path, it is relative to working
	 * folder. So if a report file path is relative path, it's absolute path is
	 * synthesized by appending file path to the working folder path.
	 * 
	 * @param file
	 * @return
	 */
	protected static String createAbsolutePath( String filePath )
	{
		if ( isDocumentFolderAccessOnly || isRelativePath( filePath ) )
		{
			return documentFolder + File.separator + filePath;
		}
		return filePath;
	}
	/**
	 * Generate document name according to report name.