CFHTTP and Caching

Report · Dec 19, 2007

I have tried the following where it should cache the RSS feed in the application.cfm page every 20 minutes but I am getting the error

Error Occurred While Processing Request Element TIMESTAMP is undefined in APPLICATION.

Any ideas on why I am getting this error ?

---
In my application.cfm

<CFIF (APPLICATION.TimeStamp EQ "") OR (DateDiff("n", APPLICATION.TimeStamp, TimeFormat(NOW(), "hh:mm:s")) GT 20)> <CFSET APPLICATION.TimeStamp = CreateTime(TimeFormat(NOW(), "hh"), TimeFormat(NOW(), "mm"), TimeFormat(NOW(), "s"))>

<CFSET APPLICATION.weather_xml =XMLParse(cfhttp.FileContent)>
<cfhttp url=" http://feeds.bbc.co.uk/weather/feeds/rss/5day/world/0008.xml" method="GET" resolveurl="No"></cfhttp>
</CFIF>

In my display page I have the following code

<cfoutput>
<img src="#application.weather_xml.rss.channel.image.url.xmlText#" alt="#application.weather_xml.rss.channel.item.DESCRIPTION.xmlText#">

<cfloop index="x" from="1" to="#ArrayLen(application.weather_xml.rss.channel.item)#">

<br>
#replace(application.weather_xml.rss.channel.item.title.xmlText, ',', '<br>', 'ALL')# <br>

</cfloop>
</cfoutput>

Report · Dec 19, 2007

Hi,

I think you can not use 'Timestamp' as a Application variable since it is a reserved keyword.

Report · Dec 19, 2007

Any ideas on what I can use to achieve this instead of timestamp ?

Report · Dec 19, 2007

Hi,

Eventhough it is a reserved keyword, There seems no variable intialization for the 'Application.TimeStamp' variable in your Application.cfm file.

Are you setting (or) intializing it with any values before putting it in your conditional statements?

Report · Dec 19, 2007

No how would I put this in ? what do I need to add to initialize it ?

Report · Dec 19, 2007

Hi,

In your Application.cfm file set it like,

Report · Dec 19, 2007

That seems to have got rid of one error, I am now getting

Element WEATHER_XML.RSS is undefined in APPLICATION.

The error occurred in \weather2.cfm: line 6
4 : <body>
5 :
6 : <cfdump var="#application.weather_xml.rss#">

Report · Dec 19, 2007

Hi,

Change your <cfdump> statement to,

<cfdump var="#application.weather_xml#"> and then look out for them elements you need to output.

Report · Dec 19, 2007

changed my cfdump statement, I am now getting the error below even though I have defined this in my application.cfm page

Element WEATHER_XML is undefined in APPLICATION.

Application.cfm page

--
<cfset Application.TimeStamp="#TimeFormat(now(), 'hh:mm:ss')#">

<CFIF (APPLICATION.TimeStamp EQ "") OR (DateDiff("n", APPLICATION.TimeStamp, TimeFormat(NOW(), "hh:mm:s")) GT 20)>

<CFSET APPLICATION.TimeStamp = CreateTime(TimeFormat(NOW(), "hh"), TimeFormat(NOW(), "mm"), TimeFormat(NOW(), "s"))>

<cfhttp url=" http://feeds.bbc.co.uk/weather/feeds/rss/5day/id/3314.xml" method="GET" resolveurl="No"></cfhttp>
<CFSET APPLICATION.weather_xml =XMLParse(cfhttp.FileContent)>

</CFIF>

Report · Dec 20, 2007

Hi,

I think there might be some issues with your feed retrieval. Check whether you are able to pull data through cfhttp (using a temporary cfm file rather than your current 'Application.cfm' file).

Report · Dec 20, 2007

The feed retrieval is ok using a .cfm file, the problem is when I try to cache the results of this feed into the application.cfm page.

Report · Dec 21, 2007

well, maybe you can retrieve the feed with that code, but i sure could
not... i get connection failure all the time...

---
Azadi Saryev
Sabai-dee.com
http://www.sabai-dee.com

Report · Dec 21, 2007

this works for me

<cfhttp url=" http://feeds.bbc.co.uk/weather/feeds/rss/5day/id/3314.xml" method="GET" resolveurl="No"></cfhttp>
<CFSET APPLICATION.weather_xml =XMLParse(cfhttp.FileContent)>

<cfdump var="#APPLICATION.weather_xml#">

But I need to get this feed cached (every 3 hours) in the application.cfm page so the feed does not go out to the internet every time

Report · Dec 23, 2007

well, maybe that bbc service is not available internationally... i still
get only "Connection Failure" response from here in Laos...

---
Azadi Saryev
Sabai-dee.com
http://www.sabai-dee.com