cfimage won't let my record so I can't remove it.

I'm designing a customer image uploader who will also image, resize, sharpen, etc. For now, I'm just working download of bugs, namely if the customer wants to replace the image.


It seems that, once downloaded, ColdFusion is keep the file in memory, so I can not delete or overwrite until some undefined after (probably once the file is hunted in memory). I don't know how to get ColdFusion to release the file so that it can be deleted.


You can see that I have a try/catch statement. This is where the code is slightest mistake out. Sometimes, if I click on the link "Refresh" in the catch statement he will end up on the rest of the code, but most of the time, it's just wrong.


If I upload an image for an event, move to a different event and download an image for this event and return to the first one, most of the time I can replace it, but I don't think it's unreasonable transfer a file and then replace it immediately (by example, if the user accidentally uploaded the image wrong the first time).

<! - add pictures - >

<!-#event_id # is transmitted from the URL-->
< cfset graphicPath = expandPath("./graphics") >

< cfset thumbWidth = 100 >
< cfset thumbHeight = 65 >

< cfset fileName = "" > "".

< structKeyExists (form, "fileUpload") cfif and len (form.fileUpload) >
<!-Download the file; If there is already with the same file name, make it unique (we will be renaming, in any case). ->
< cffile action = "upload".
FileField = "fileUpload".
destination = "-#graphicPath #
nameconflict = "makeUnique".
>
<!-read the new image. ->
< cfimage
action = "read".
source = "" #graphicPath #------#file.serverFile # ""
name = "uploadedImage".
>

<!-if the file already exists, delete it so that there is no conflict of interest. ->
< cfif fileExists("#graphicPath#\#event_id#.jpg") >
< cftry >
< cffile action = 'delete '.
file = ' #graphicPath #------event_id # .jpg ".
>
< cfcatch >
Image cannot be replaced. < a href = "javascript:location.reload (true); "title ="Refresh Page"> try again? < /a >
< cffile action = 'delete '.
line = "" #graphicPath #------#file.serverFile # ""
>
< cfabort >
< / cfcatch >
< / cftry >
< / cfif >
<!-rename the file so it is accessible with the database later. ->
< cffile action = "Rename".
source = "" #graphicPath #------#file.serverFile # ""
destination = "#graphicPath #------event_id # .jpg".
>

< cfset #event_id = fileName # & ".jpg" >

<!-read the details of the image. ->
< cfimage
action = "info".
source = "" #graphicPath #\ #fileName # ""
structname = 'imageFile '.
/ >


<!-find how to scale the image. ->
< cfif uploadedImage.width gt uploadedImage.height >
< cfset thumbPercent = (thumbWidth / uploadedImage.width) >
< cfelse >
< cfset thumbPercent = (thumbHeight / uploadedImage.height) >
< / cfif >

<!-calculate the new thumbnail and image height/width. ->
< cfset thumbWidth = round(uploadedImage.width * thumbPercent) >
< cfset thumbHeight = round(uploadedImage.height * thumbPercent) >

<!-create a thumbnail of the image. ->
< cfimage
action = "resize".
source = "" #graphicPath #/ #fileName # ""
height = "" #thumbHeight # ""
width = "" #thumbWidth # ""
destination = "" #graphicPath #/thumbs/ #fileName # ""
Overwrite = "true".
/ >

< / cfif >

Let me know if you have any questions.

It certainly looks like the known problem, I mentioned. Calls to resize the images were locks the file in the image, resulting from similar errors to:

  • ColdFusion was unable to delete the file for an unknown reason

  • An exception occurred while trying to write the image. Ensure that the destination directory exists and that ColdFusion is allowed to write to the file or the path given. "Cause: java.io.FileNotFoundException: /pathToImage/portrait.jpg.

Important: This particular patch has been updated, but the name of the patch file was remained the same . If you can not tell if the proper fix is installed just by looking at the file names.  As far as I know, the only way to tell if you have installed the correct version is to check the dates of change on the file itself. (See "notes: at the bottom of the technical note")

http://kb2.Adobe.com/CPS/403/kb403411.html

Tags: ColdFusion

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