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On ColdFusion and its support for Java 9, 10, and 11

Wondering about CF support for Java 9, 10, or 11, here in 2018 (with respect to CF 2018, CF 2016, CF 11, or earlier)? Did you know that Java 9 and Java 10 each have only 6-month lives? Seriously. And did you know that Java 9 is already no longer updated, while Java 8 still is (into next year), and that Java 11 is due to come out in September 2018? It can be quite confusing if you've not been paying attention to Oracle's new release model.

What does all this mean for Adobe and CF, and CF users? What versions of CF do, do not, and/or may support these various recent Java versions? The good news is that CF 2018 will come out running (and the second public beta does come running) on Java 10 (no word yet on Java 11). But what about other recent CF versions?

Read on for more.

(And while I am writing this in mid-2018, I will come back and update the links and info about CF2018, as it's released, and the JVM versions, as things change over time.)

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Some recently added (and evolving) documentation of the CF Admin API

You may be aware of the CF Administrator API, a way to implement most CF Administrator features programmatically, by way of a set of CFCs implemented within CF (as introduced in CF7). But have you ever wished for some complete online documentation of the many (18) Admin API CFCs, including their methods and arguments?

If so, I have some very good news--and some not-so-good news. (Some may know that you can find this info also by running the CFC Explorer--more on that in a moment.) The unfortunate news is that it's not yet COMPLETELY documented, but it's still a good start.

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Why you should think twice about leaving on the "public JRE" option of the Java JDK installer

This is a follow-up to a post I did in late 2014, CF911: 'Help! I've updated the JVM which ColdFusion uses, and now it won't start!'. In that post, I listed about a dozen common problems that befall people who try to update the JVM that CF is using (and it and this post apply as well to Lucee or BlueDragon, or indeed any Java application server).

In this post, I want to elaborate on one more common mistake. Well, mistake may be too strong word. It's about a default option when you run a Java JDK installer (see the other post for more on JDK vs JRE options).

In short, I make the case here for why you should NOT let the JDK installer implement its "public jre" option.

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How to solve common problems with applying ColdFusion updates (in 10 and above)

While ColdFusion 10 and later releases add a new automated update installation mechanism, what do you do if the update doesn't work? The answer may be simple on the surface, but not obvious to most. (And you'll likely be in panic mode.)

Many find after applying a ColdFusion update that either CF won't start at all, or they can't access the ColdFusion Admin, or some part of CF or their app doesn't work. The problem may be simply that there was an error in the update process CF did, and it may be rather easily confirmed and resolved.

In this post, I share several tips and observations to help resolve this, based on my years of providing remote CF troubleshooting support.

The TLDR version: check the ColdFusion update log (not logs in the normal CF "logs" folder. More detail below.) And if there are errors, try stopping CF yourself and then either try the update again, or if it still fails, try to manually apply the update from the command line. If that's enough to get you going, great--especially if you ARE in panic mode! (If the "problem" you need to solve, instead, is that you can't get CF to show you updates because you're behind a firewall preventing outbound internet access, I help with that also, toward the end.)

For most people, though, even those "simple things to do" can prove challenging (and understandably so). And you may find different resources on the web offering perhaps truncated discussions of the topics, which is why I elaborate on things in this post.

And even if you're in a panic, it may take only about 10 minutes to read this whole post. (You can also hire me to help instead, of course. See the link above.) Hope the info to follow is helpful for you.

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New whitepapers from Adobe on ColdFusion 2016: lockdown, migration, and performance

Continuing my series of posts on new things in CF2016 which some may miss,there are some new resources from Adobe about CF 2016, posted in recent days. (I suppose we may see a post from Adobe on their blog at some point, but I wanted to share it in the meantime.)

You can find them listed as "whitepapers" at the bottom of ColdFusion.com (as I view it today, at least), so keep an eye there to see if perhaps any others may ever be added.

Here are the docs, with some observations also about their size and version, if available:

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ColdFusion 2016: Changes in the CF Administrator

As folks continue to explore ColdFusion (2016 Release), aka CF2016, regarding what's new or changed, I thought I'd put together a listing of what has changed in the CF Admin specifically. This is another in a series of posts I started last week on CF2016.

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CF2016: What's deprecated and/or 'no longer supported' (note: nothing 'removed')

Continuing a series of posts I started last week on ColdFusion (2016 Release), aka CF 2016, I'd like to highlight the items that Adobe has chosen to deprecate and/or declare as "no longer supported", as of CF 2016.

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Stuck running the ColdFusion 'Migration wizard'? Here's how to get past that

CF Admin migration wizard screenSomeone presented a problem on a discussion list where they found that upon installing CF, they got to the "migration wizard" screen, and though it offered the option to "continue" if it hung up, it did not continue for him.

In this post, I'll share how to get past that prompt, if this happens to you. (And despite that image on the right showing ColdFusion 11, this could conceivably happen in CF10, CF9, and so on, and this same solution applies to all.)

For the anxious folks who want to "skip the waffle" and context/setup, the solution is at the very bottom. :-)

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Great set of substantial, practical, but brief videos on IIS

This isn't "new" information, though it was new to me this week. I came across this excellent set of youtube videos, 50 substantial yet brief overviews of key IIS topics from IIS/.NET/Windows guru Scott Forsyth.

I offer the list of topic titles (and links to them) below, and have even created a YouTube playlist with them, but note that the links below go to pages that the author had created where he offered a helpful introduction to each video (more than appears in the Youtube description for each).

I had also wanted to offer here this brief overview of them, to set the context and encourage you to view them, so as not to dismiss them if other tech video series haven't impressed you. Whether you're new to IIS 7 or 8, or an old hat user, there really is something for everyone, including wonderful little tips he shares in passing during most videos (which average about 10-20 minutes each).

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CF911: Help, How do I connect sites to a new instance w/ the ColdFusion 10/11 webserver config tool?

This one causes a lot of heartburn for folks: you add a new instance in CF10 or 11 (in editions other than Standard, which do support adding instances), and you find that you can't seem to have the web server configuration tool (wsconfig) connect sites to that new instance(s). You never see the new instance listed in the UI of the wsconfig tool. What gives?

The solution is relatively easy, and the problem could maybe be fixed (or at least warned about) by Adobe (and I just filed a bug report for it). Until that happens, I wanted to share this. For more, read on.

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