[CFCDev] Transient errors on multiple CFMX servers

[Leon Out]

Hi. My company is developing some pretty serious web applications 
making heavy use of CFCs, and we run into a lot of transient CF errors. 
The error messages are listed in full below, but can be summed up as 
"JRun Connector Protocol Errors, false 404s, and null-pointer 
exceptions". The errors usually come up we've changed the source code, 
but they certainly come up at other times as well. They always go away 
when the page is refreshed, so none of them are syntax/coding errors.

I'm wondering if other people are having problems like this, or if 
we're doing wrong. We see these errors on multiple servers, on Windows 
and Linux platforms, and with both Updater 3 and earlier updates.

The reliability of MX is much, much worse than CF 5. It's bad enough 
that we're considering switching languages.

Does anyone have any insight or comments about these transient 
problems? We're going crazy over here....

Leon

Here are the texts of the errors we see:

Standard CF 404 error
----------------------------
Error Occurred While Processing Request
The system has attempted to use an undefined value, which usually 
indicates a programming error, either in your code or some system code.

Null Pointers are another name for undefined values.

Error Occurred While Processing Request
500 null
-----------------------------
JRun Connector Protocol Error.HTTP/1.1 503 Server Error Date: Wed, 21 
May 2003 18:10:46 GMT Server: Apache/1.3.27 (Unix) (Red-Hat/Linux) 
mod_ssl/2.8.12 OpenSSL/0.9.6b DAV/1.0.2 PHP/4.1.2 mod_perl/1.26 
Connection: close Transfer-Encoding: chunked Content-Type: text/html; 
charset=iso-8859-1
Server Error
The server is temporarily unable to service your request due to 
maintenance downtime or capacity problems. Please try again later.

Additionally, a 503 Service Temporarily Unavailable error was 
encountered while trying to use an ErrorDocument to handle the request. 

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