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How and why your sites may break, and what to do, after applying March 2020 update to CF2018 or 2016

This is a critical warning to anyone who may apply the recent CF2018 Update 8 or CF2016 Update 14, released Tuesday of this week. To be clear, I do not mean with this warning to suggest that you should NOT apply the update! It implements an important security fix.

Instead, it's that after applying it, your CF web sites served via IIS or Apache WILL likely break initially, until you take one at least and perhaps two extra steps. The good news is that these steps are both easy and documented by Adobe in the update technotes, but they do require that someone do them, if needed. Let me explain.

[Update: I did an abbreviated version of this post on the Adobe CF portal: Three reasons your sites may break, and how to fix them, after applying March 2020 update to CF2018 or 2016. Note I also titled it differently. Just trying many ways to get people's attention. That post may interest some, either to read first (but my TLDR below also tries to abbreviate things also), or especially if you may prefer to give others a link to a post on this matter that is not as "dense" as this one. :-) I do point to this post from there, of course, for the many additional details that some may appreciate.]

Sadly, because many people don't bother to read the CF update technotes (linked to below), and they just apply the CF updates, they are not noticing this issue until they or their users start screaming because their sites are down. There's also a fair bit of "screaming" in the CF community, and folks responding may not know the info that I (or Adobe) have shared, to get things "working again", so I hope this helps bring some calm, and most important the clear solution/s needed.

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New Oracle JVM update released, July 16 2019

Just a heads-up for folks using CF, Lucee, and other Java-based apps and app servers: Oracle has released today a new JVM update, for Java 8 and 11. It's update 221 for Java 8 (1.8.0_221), and update 4 for Java 11 (11.0.4).

For some, that's all they need to know. For most, they will probably want to read on.

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Hurray! ColdFusion 2016 no longer uses Akamai Download Manager

Note: This blog post is from 2016. Some content may be outdated--though not necessarily.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.
Here's some news that Adobe may not herald, but many users certainly would want to know and celebrate: as of today, when you download ColdFusion 2016 (whether the trial edition, developer edition, or on buying Standard or Enterprise, or the Express edition introduced in CF11), you are no longer forced to go through the Akamai Download Manager! :-)

For many, that's all they need to know. For others, there are some more points worth discussing. Read on, if that may interest you.

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

Note: This blog post is from 2016. 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.
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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