bundles/org.apache.jasper.glassfish/src/org/apache/jasper/servlet/JspServletWrapper.java
public Class loadTagFile() throws JasperException {

        try {
            ctxt.compile();
            if (reload) {
                tagHandlerClass = ctxt.load();
            }
        } catch (ClassNotFoundException ex) {
        } catch (FileNotFoundException ex) {
            log.log(Level.SEVERE, Localizer.getMessage("jsp.error.compiling"));
            throw new JasperException(ex);
	}
	return tagHandlerClass;
    }
public Class loadTagFile() throws JasperException {

        try {
            ctxt.compile();
            if (reload) {
                tagHandlerClass = ctxt.load();
            }
        } catch (ClassNotFoundException ex) {
        } catch (FileNotFoundException ex) {
            log.log(Level.SEVERE, Localizer.getMessage("jsp.error.compiling"));
            throw new JasperException(ex);
	}
	return tagHandlerClass;
    }
Compile (if needed) and load a tag file