You can't just use "any" jvm version with CF: it depends on first on what version of CF you are using, and then may even depend on what CF update has been applied to that CF version. (You also can't use Java from any vendor: Adobe supports only use of Oracle Java, and they license it for our use, as I discuss later.) And to be clear, currently ONLY CF2025 supports Java 21. (And with Java 24 coming out in Mar 2025 as the latest LTS or "long-term support" Java releases, note that NO CF version currently supports that.)

So in this post, I offer a table that clarifies things, listing the various recent CF versions (even those no longer supported) and what (LTS) Java versions they supported, including if some CF update of a version changes the Java version supported.

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TLDR; Now through Feb 28, 2025 those running CF9, 10, 11, 2016 or 2018 can upgrade to CF2023 for 25% off its full price. (Those running CF2021 can already/always could upgrade at 50% off the full price.)

This is a deal offered only by Intergral, makers of FusionReactor, who are also resellers of CF. Adobe doesn't even offer this deal themselves. For more, see their blog post at https://fusion-reactor.com/blog/news/save-25-on-adobe-cf2023-upgrades/.

Act now, it could save you hundreds or even thousands of $$s on a single license! For more, read on.

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TLDR; Now through Sep 30, 2024 Feb 28, 2025 those running CF9, 10, 11, 2016 or 2018 can upgrade to CF2023 for 25% off its full price. (Those running CF2021 can already/always could upgrade at 50% off the full price.) See their form to request the discount at https://fusion-reactor.com/blog/news/save-25-on-adobe-cf2023-upgrades/.

For more, read on.

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And as important, if you may have skipped some Java updates before this one, there are some additional points to consider regarding some potentially important changes in updates you may be skipping.

In this post, I cover several topics in both those areas.

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I will be presenting presented the talk online this Thursday, at noon US Eastern, on the CFMeetup youtube livestream (which will be was recorded). Folks who are members of the Online ColdFusion Meetup will already have gotten notification about this, but for those who are not, here are the details:

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Read on for more details.

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Folks who are members of the Online ColdFusion Meetup that I run will already have gotten notification about this, but those who are not:

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Note: This blog post is from 2021. Some content may be outdated--though not necessarily. Same with links and subsequent comments from myself or others. Corrections are welcome, in the comments. And I may revise the content as necessary.

ColdFusion at 25: not the kid most have stuck in their minds

As ColdFusion turns 26 next month, many seem stuck remembering it only as the "teen" they knew or even the "child", when instead it's grown up to be a capable "adult", impressive in many ways, and even more so recently. In this session, we'll look back at how CF has indeed evolved into a very capable platform, with quite modern features that seem to surprise many--including people working with it currently. If you struggle "finding CF people" or "getting buy-in", perhaps these observations could help you with both challenges. If nothing else, they're things designed simply to help you get your job done, while keeping up with modern practices.

We'll start with many modern coding techniques--which will be familiar to those using more "modern" languages but that many don't realize CF supports, and may have for years. We'll then look at ways that things such as CF installation/deployment, configuration/administration, monitoring, security, and more have improved over the years. And we'll look not only at CF itself but the community surrounding it, ranging from resources for help and learning to tools and services that others have created, making CF a far more complete ecosystem than most give it credit. Put another way: it's not your father's CF!

I look forward to presenting this topic and hope you'll come check it out.

Note: This blog post is from 2021. Some content may be outdated--though not necessarily. Same with links and subsequent comments from myself or others. Corrections are welcome, in the comments. And I may revise the content as necessary.

For most, you should read on, especially about an important change regarding TLS support (and calling out to servers not yet running TLS 1.2 or above). I cover that and other important topics:

• What's in the JVM update, do you need to update to it?
• A key change in this Java update: calls out to TLS 1.1 or 1.0 no longer allowed, by default
• Re-enabling support for calling out to old TLS versions
• Groundhog day: you'll need do make this java.security file change on any later JVM updates
• Should you update to the new JVM version?
• The importance of testing such updates/changes
• More questions you may surely have, and finding answers to them
• Obtaining the updated Java installers

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Note: This blog post is from 2021. Some content may be outdated--though not necessarily. Same with links and subsequent comments from myself or others. Corrections are welcome, in the comments. And I may revise the content as necessary.

Some good news is that ColdFusion offers simple ways/variables that can show you each of these, via the admin or via CFML code. In this post, I discuss both approaches, including a simple single variable which works in CF2018 and above, a variation for those on CF2016 and earlier, as well as variations for Lucee.

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