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CF911: "Help! I've updated the JVM which ColdFusion uses, and now it won't start!"

Has this happened to you? You follow some resource on the web showing how to update the JVM which CF uses, to a new version, and then wham, CF won't start. And now you may be stuck wondering, "what happened? how am I supposed to fix this?"

It's a tragic position to be in. (I was tempted to title this, "Help. My JVM has fallen and CF can't get up", but I fear that dated and veiled 80's reference would go over the heads of many of my readers.)

The thing is, there are several reasons why your attempt to update CF's JVM can fail, and fortunately I can offer several things you can look at to hopefully quickly recover from or undo things. If you're interested, read on.

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"The price for ColdFusion troubleshooting consultants is a joke. They're taking us for a ride"

Ok, so that's clearly not my sentiment but rather that of a certain "Simon" (no other identifying info offered) in a blog comment in one of the recent CF team blog entries.

After complaining about how poorly he felt CF had responded to his seeking help, he threw in additionally that "the existing private consultants prices are a total joke - they are taking us for a ride!".

Well, I just couldn't let go his comment go unremarked.

I started to write my reply there, but it grew long (as is my wont). So rather than post there (where most comments are brief), I decided to post it here instead and point to it there. Perhaps some of my readers here may appreciate it as well, as I also talk about some thoughts on CF troubleshooting in general.

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Hidden Gem: Importing CF Admin settings in ANY release via "import wizard", even AFTER installation

Have you ever faced the challenge of needing to migrate the CF Admin settings (datasources, mappings, scheduled tasks, etc.) from one machine to another? You may know of a couple of solutions (the CAR mechanism and the "import wizard" which runs at the end of installation).

But what if those solutions don't work for you? Or what if you didn't know of them before installation, and now you have dozens of dsn's, scheduled tasks, mappings, or other settings you want to get from one machine/release to another?

You are NOT stuck having to manually copy settings from one screen to another! (And you should be very careful about the common hack solution of copying neo*.xml files from one instance to another, which may not always work and may break things.)

In this entry I'll discuss how you CAN indeed import the CF admin settings from ANY release of CF into ANY OTHER release of CF, in a fully supported way, and which CAN be done even after installation of a new CF release.

I'll also mention an important potential gotcha to beware, as well as how to to get around that.

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Hidden Gem in ColdFusion 11: ColdFusion Archive (CAR) support now in Standard

Here's a nice surprise for some about a change in CF11: you can now create and read CAR files (ColdFusion archive files, a CF Admin feature) in the STANDARD edition of ColdFusion 11. In prior releases, it was available only in ColdFusion Enterprise.

Read on for more, including a gotcha regarding importing from previous release Standard editions, but for many this news will be a delight and all they need to know.

For more on what the CAR mechanism is, finding more on it, the gotcha (and what NOT to do if you hit that gotcha), and info on still more hidden gems in CF, read on.

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Get a headstart on checking out Update 3 for ColdFusion 11

If you didn't catch it, Adobe has come out with a prerelease version of the pending Update 3 for ColdFusion 11, which (like update 14 for CF10) adds many things:
  • bug fixes (over 160)
  • support for new OS's, databases, application servers, and web servers
  • support for Java 8
  • as well as updates to underlying technologies like Tomcat (now 7.0.54)

Update: Adobe released yet another version of this Update 3 prerelease, on Nov 19. See the blog entry for more about that, but the info below still stands and you will want to keep reading here if applying update 3 for the first time (indeed, even after the update comes in "final" form). That said, do see the updated blog entry (or more specifically the link to PDFs offered there) for more on what is in that newer version of the update.

For more on this update, read on here.

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BlogCFC was created by Raymond Camden. This blog is running version 5.005.

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