cfhttp not working in cf7

[Guest]

This code was working fine in cf5.
Not working in cf7. Any idea?.
How to find, why this code is not working in CF7?.

<cfhttp method="post" url=" http://ser01/appsrv/systemcall.do" port="80" throwonerror="Yes">
<cfhttpparam type="formfield" name="adapter" value="user">
<cfhttpparam type="formfield" name="action" value="import">
<cfhttpparam type="formfield" name="option" value="restrict">
<cfhttpparam type="formfield" name="timestamp" value="#timeval#">
<cfhttpparam type="formfield" name="auth" value="#authstr#">
<cfhttpparam type="file" name="filename" file="#dirxml#\#Dateformat(now(),'mmddyyyy')#.xml">
</cfhttp>

[Guest]

How to debug this?.

<cfdump var="#http.fileContent#"> ?

[BKBK]

> How to debug this?.

<cftry>
<cfhttp>
</cfhttp>
<cfdump var="#http#">
<cfcatch type="any">
<cfdump var="#cfcatch#">
</cfcatch>
</cftry>

[Guest]

Thanks Bk.

Not giving any error message...but not working.

Why so?. How can i fix this?.

[Guest]

what is change in CF7 for cfhttp and cfhttpparam compared to CF5?.