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strm
n00b
Joined: 26 Dec 2024
Posts: 9
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 Posted: Fri Jan 24, 2025 3:05 pm Post subject: How to install non LTS Java SDK? |
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Hello everyone,
I am a Java developer and sometimes need the latest JDK release (not beta) version to test things. Thus, I wonder how to install JDK 23 on a Gentoo machine? There only seem to be LTS ebuilds. Do I need to manually install a bin pkg? If so, how to integrate with eselect java-vm ?
Thx for hints! |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54759
Location: 56N 3W
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| Posted: Fri Jan 24, 2025 3:53 pm Post subject: |
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strm,
| Code: | $ eix virtual/jdk
* virtual/jdk
Available versions:
(1.8) 1.8.0-r9
(11) 11-r2
(17) 17
(21) 21
(25) **25-r1
{headless-awt}
Description: Virtual for Java Development Kit (JDK) |
Gentoo has 25-r1 in the tree but masked. If you unmask it and maybe keyword it, you can try to install it.
If it breaks, report bugs. Someone needs to be first.
Poking about in git, | Code: | commit 1e7f114f8fe4cf367af17556cac40620ce6bed48
Author: Volkmar W. Pogatzki <gentoo@pogatzki.net>
Date: Thu Dec 12 18:20:44 2024 +0100
virtual/jdk: drop 23
Signed-off-by: Volkmar W. Pogatzki <gentoo@pogatzki.net>
Closes: https://github.com/gentoo/gentoo/pull/39713
Signed-off-by: Miroslav Šulc <fordfrog@gentoo.org>
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virtual/jdk-23 was dropped on 12 Dec 2024 but you can get it back and put it in your local overlay if you really want to.
Note that virtual/jdk will give you a choice between openjdk and openjdk-bin, so you will need the matching openjdk or openjdk-bin ebuilds too.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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strm
n00b
Joined: 26 Dec 2024
Posts: 9
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| Posted: Fri Jan 24, 2025 7:25 pm Post subject: |
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| There is a difference between various Java versions, so I'd really like not to use 25. |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54759
Location: 56N 3W
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| Posted: Fri Jan 24, 2025 7:48 pm Post subject: |
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strm,
Dig 23 out of the git repo os a squashfs snapshot and add it to your local overlay.
You need a git checkout dated before Thu Dec 12 18:20:44 2024 +0100, or a whole portage tree
That link is to a lzo.sqfs portage snapshot. That will require kernel support. Its also available with xz compression. Again, kernel support required.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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logrusx
Advocate
Joined: 22 Feb 2018
Posts: 2647
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| Posted: Fri Jan 24, 2025 9:03 pm Post subject: |
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Download a binary build from oracle, extract in your home directory, adjust PATH, set JAVA_HOME and you're good to go. Even easier, just add it to your IDE and directly use it that way.
You need it through portage only when the system uses it. Otherwise local install in your home directory is fine for development.
Best Regards,
Georgi |
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