/// <exclude />
public static void Application_Error(object sender, EventArgs e)
{
var httpApplication = (HttpApplication)sender;
Exception exception = httpApplication.Server.GetLastError();
var eventType = TraceEventType.Error;
var httpContext = httpApplication.Context;
if (httpContext != null)
{
bool is404 = exception is HttpException httpException &&
httpException.GetHttpCode() == 404;
if (is404)
{
string rawUrl = httpContext.Request.RawUrl;
if (!UrlUtils.IsAdminConsoleRequest(rawUrl))
{
string customPageNotFoundUrl = HostnameBindingsFacade.GetCustomPageNotFoundUrl();
if (!customPageNotFoundUrl.IsNullOrEmpty())
{
if (rawUrl == customPageNotFoundUrl)
{
throw new HttpException(500, $"'Page not found' url isn't handled. Url: '{rawUrl}'");
}
httpContext.Server.ClearError();
httpContext.Response.Clear();
httpContext.Response.Redirect(customPageNotFoundUrl, true);
return;
}
eventType = TraceEventType.Verbose;
}
}
// Logging request url
if (LogApplicationLevelErrors)
{
HttpRequest request = null;
try
{
request = httpContext.Request;
}
catch
{
// Request may not be available at this point
}
if (request != null)
{
LoggingService.LogEntry("Application Error",
$"Failed to process '{request.RequestType}' request to url '{request.RawUrl}'",
LoggingService.Category.General, eventType);
}
}
}
if (LogApplicationLevelErrors)
{
while (exception != null)
{
LoggingService.LogEntry("Application Error", exception.ToString(), LoggingService.Category.General, eventType);
exception = exception.InnerException;
}
}
}
