The java.jdt.ls.java.home variable defined in VSCodium settings points to a missing or inaccessible folder

[B1naryB0t]

New installation for a university class I'm in, trying to set it up and dealing with config issues.

OS: Debian 12 Stable
Installation: VSCodium flatpak

Error: The java.jdt.ls.java.home variable defined in VSCodium settings points to a missing or inaccessible folder (The java.jdt.ls.java.home variable defined in VSCodium settings points to a missing or inaccessible folder (/usr/lib/jvm/java-17-openjdk-amd64/)

Settings.json:
"java.jdt.ls.java.home": "/usr/lib/jvm/java-17-openjdk-amd64/",
"java.configuration.runtimes": [
{
"name": "JavaSE-21",
"path": "/usr/lib/jvm/zulu21-ca-amd64/",
},
{
"name": "JavaSE-17",
"path": "/usr/lib/jvm/java-17-openjdk-amd64/",
"default": true
},

Error happens whenever I try to open a java project.

[B1naryB0t]

I worked through it enough to solve my purposes. The issue was flatpak not able to access the path.
Fix:
flatpak install org.freedesktop.Sdk.Extension.openjdk17

Settings.json:
"java.jdt.ls.java.home": "/usr/lib/sdk/openjdk17/",
// "java.configuration.runtimes": [
// {
// "name": "JavaSE-17",
// "path": "/usr/lib/sdk/openjdk17/",
// "default": true
// },
// ],
Commenting out the runtimes was important because I was tired of fussing with flatpak and this way it just defaults to java.jdt.ls.java.home for the runtime. If I had multiple JREs I would dig further but since I just need the one it's good enough for me.