If you use a centralised storage for all servers in your cluster then it is
easy.
Russ, thanks a lot for your response (somehow I missed it last week). I read
the article you linked to about client variables (good read). Are you aware of
any resources which discuss how one might implement a
I did it once long ago when I was still a developer, it was probably on CF5
or 6.
I will presume Windows is used here, if not, just translate tot he Unix
equivalents.
It is basically just a file server, network attached storage, a SAN or
whatever you have available.
You MAP a drive on your web
Hey Dave,
Thanks a lot for your response. Please see some comments inline below:
Are you using clustering to support a larger number of users than a
single server? Or are you using it to provide failover in case a
server fails? Or both?
The clustering is mainly for supporting a large number
I'm hoping it's the former :) I guess that's what I'm getting at though...
I'm sure you've done many applications that run on
clustered servers, is using sticky sessions a common and accepted practice
for using cfcs in a clustered environment?
Or do larger applications like this just
If you use a centralised storage for all servers in your cluster then it is
easy. You save session data to your san disk. And simply reload it if it
gets lost due to switching servers.
You can also achieve this with replication between local disks too.
Remember the session is stored in a cookie
Lots of people use sticky sessions to solve this problem. That doesn't
provide failover, but if you're not doing something extremely critical
where the user can just go elsewhere (ex: ecommerce) you might not
need failover.
With sticky sessions, in the event that one server crashed, the users on
Lots of people use sticky sessions to solve this problem. That doesn't
provide failover, but if you're not doing something extremely critical
where the user can just go elsewhere (ex: ecommerce) you might not
need failover.
With sticky sessions, in the event that one server crashed, the
You'll need to download the certificate and install it in your JVM's
keystore. Google java keystore keytool coldfusion for instructions.
Hi Dave,
Thank you for the reply. Only thing is that I've already downloaded the
certificate through Google Chrome, and imported it via the keytool as
I'm pretty sure it's related to the fact that I'm trying to make a secure
request (SSL), and maybe since I'm on my local development machine and thus
don't have a local SSL setup on my end as well it's causing problems
(maybe?).
Yes, most likely. If you have a self signed cert, you can add it to
Hey Bobby, thanks for the reply.
It turns out this is a CF9 bug. Ray Camden outlines it well here, with a
workaround that is working for me:
http://www.coldfusionjedi.com/index.cfm/2011/1/12/Diagnosing-a-CFHTTP-issue--peer-not-authenticated
Here is the bug report Jason Dean filed:
I'm trying to make a cfhttp call to a secure url (the API for
http://spreedly.com) and this is what I keep getting back:
ErrorDetail I/O Exception: peer not authenticated
Filecontent Connection Failure
Mimetype Unable to determine MIME type of file.
Statuscode
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