SlingScriptConstants.SLING_SCOPE);
if ( resolver == null ) {
resolver = scriptHelper.getScript().getScriptResource().getResourceResolver();
}
final SlingIOProvider io = this.ioProvider;
final JspFactoryHandler jspfh = this.jspFactoryHandler;
// abort if JSP Support is shut down concurrently (SLING-2704)
if (io == null || jspfh == null) {
logger.warn("callJsp: JSP Script Engine seems to be shut down concurrently; not calling {}",
scriptHelper.getScript().getScriptResource().getPath());
return;
}
final ResourceResolver oldResolver = io.setRequestResourceResolver(resolver);
jspfh.incUsage();
try {
final JspServletWrapper errorJsp = getJspWrapper(scriptName, slingBindings);
errorJsp.service(slingBindings);
// The error page could be inside an include.
final SlingHttpServletRequest request = slingBindings.getRequest();
final Throwable t = (Throwable)request.getAttribute("javax.servlet.jsp.jspException");
final Object newException = request
.getAttribute("javax.servlet.error.exception");
// t==null means the attribute was not set.
if ((newException != null) && (newException == t)) {
request.removeAttribute("javax.servlet.error.exception");
}
// now clear the error code - to prevent double handling.
request.removeAttribute("javax.servlet.error.status_code");
request.removeAttribute("javax.servlet.error.request_uri");
request.removeAttribute("javax.servlet.error.status_code");
request.removeAttribute("javax.servlet.jsp.jspException");
} finally {
jspfh.decUsage();
io.resetRequestResourceResolver(oldResolver);
}
}