this post was submitted on 03 Nov 2025
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I am trying to make sure I am ready for 2.11 since it will require Java 17. But I tried getting Java 24 JDK SE and removed Java 8 JRE and then I2P router launcher said I didn't have Java. I tried looking for JRE above 8 but I just keep seeing 24 JDK. The I2P site links to tanuki for a wrapper of the Community Edition but they say there isn't a x64 version of Community Edition.

Does anyone have links for a Windows x64 JRE that is 17 or higher? I have reinstalled Java 8 JRE for now since it fixed the issue of running the I2P router launcher. I have only ever needed the 8 or lower JREs so I am a real noob at Java stuff.

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[–] original_reader@lemmy.zip 3 points 2 months ago* (last edited 2 months ago) (1 children)

Here you go: https://www.oracle.com/java/technologies/downloads/#jdk25-windows

Only the JDK is offered in versions higher than 8. AFAIK the JRE is discontinued and only the JDK is developed.

The JDK contains the JRE.

[–] dRLY@lemmy.ml 2 points 2 months ago (1 children)

Thanks for the reply, I will try it out. I2P is not something I use everyday, but it has made some really good jumps since I first started messing with it a few years ago. So I hope that the new requirements will mean that it keeps making those jumps.

[–] dRLY@lemmy.ml 1 points 2 months ago (1 children)

Well I removed the Java 8 JRE and installed 25 JDK and still get the error about needing at least Java 1.04 (or maybe 1.4) to run. Maybe an issue with the I2P Router program not currently understanding the JDK install? I am keeping 25 JDK installed but will have 8 JRE too for now I guess. Unless there is something I am missing?

[–] original_reader@lemmy.zip 2 points 2 months ago (1 children)

Maybe check the environment variables? Or a reinstall of I2P? Am shooting into the dark now.

I remember having these issues on Windows occasionally. I usually had to remove all traces of the JRE, reinstall and reboot. Eventually it worked.

[–] dRLY@lemmy.ml 2 points 2 months ago (1 children)

You might be right on all of that. Might try using something like Revo to remove both JRE and JDK and then reinstall JDK and then I2P. Thank you for the additional ideas on this since I didn't consider the I2P install itself to be an issue since it gave zero issues with reinstalling the 8 JRE.

[–] dRLY@lemmy.ml 1 points 2 months ago

I still couldn't get it to work for some reason. Ripped JRE and JDK out with Revo, uninstalled the router, and just the same error. I ended up trying the "easy bundle" and that worked since I guess it has its own contained stuff. So aside from the loss of the setup I had, it is running. I might try again after they get more releases out with the new requirements to see if anything just starts working.