Failing that, if I go

<cflog file="whatEvs">

in CF, CF just goes "oh yeah, that file doesn't exist but I guess it's the first time they're using it so I'll create if for them. It's pretty obvious that'll be what they want here". The Lucee docs for

<cflog>

claims that the

file

attrib is not implemented in favour of just using

log

, but the

log

option needs the log to already be configured. So: not really the same. But is there any way to get Lucee to go "oh yeah, that file doesn't exist but I guess it's the first time they're using it so I'll create if for them. It's pretty obvious that'll be what they want here" rather than "NEIN! YOU MUST CONFIGURE IT FIRST!!!"

Oh... apparently

<cfadmin>

doesn't handle log config anyhow 😕 (ref: https://docs.lucee.org/guides/Various/cfadmin.html)

If you can wade through the Lucee admin CFM files you can find whatever page saves the log settings

I'm not aware of any other method- but I had always just assumed cflog would create whatever you needed.

If you can wade through the Lucee admin CFM files

Dude I thought we were mates. Don't suggest I self-harm like that.

We decided for v1.0 of our requirement we'll just sling the stuff into the application.log file and be done with it: that's fine for MVP. We'll revisit later.

OK I'm back on needing to know how to manage log file settings programmatically. Reactivating this thread in case someone has a clue and didn't see this before. I was not able to find in the source code anywhere that

<cfadmin>

or (any other mechanism) was maintaining these settings. Obvs they're being maintained somehow, but I guess my patience for grokking how Lucee's source code works is not... erm... enough. I will try again though.

Solved the issue of managing log file settings programmatically: https://blog.adamcameron.me/2022/08/lucee-creating-log-file-programmatically.html

Short version:

local.admin = new Administrator("web", server.system.environment.ADMINPASSWORD)
admin.updateLogSettings(
    name = "AdamTest",
    level = "ERROR",
    appenderClass = "lucee.commons.io.log.log4j2.appender.ResourceAppender",
    layoutClass = "lucee.commons.io.log.log4j2.layout.ClassicLayout",
    appenderArgs = {
        maxfiles = 20,
        maxfilesize = 1073741824
    }
)
writeLog(log="AdamTest", type="ERROR", text="ERROR SHOULD BE LOGGED")
writeLog(log="AdamTest", type="INFO", text="INFO SHOULD NOT BE LOGGED")