unsupported Java Version
Answered
Just downloaded an update with new version, and now I am unable to open IJ, seeing this message in a popup window.
Cannot start under Java 1.8.0_202-release-b1491: Java 11 or later is required.
reinstalled Java 11 and still seeing the same error
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For IntelliJ IDEA CE the config directory would be /Users/<user>/Library/Application Support/JetBrains/IdeaIC2020.3
If you have idea.jdk file there, delete it.
Thanks Serge! After delete the idea.jdk file, it works now.
my current Intellij version
I'm on a PC, serached the whole AppData\Roaming folder and don't see idea.jdk. I'd love to find and delete that and experience excellent results.
Brian
On Windows it's either idea.jdk file or environment variable, please see if you have any set: https://intellij-support.jetbrains.com/hc/en-us/articles/206544879.
Brian
it should be in the following path: Users\<user>\AppData\Roaming\JetBrains\IntelliJIdea2020.3
Thanks Serge, same worked for me with PHPStorm; deleting /Users/<user>/Library/Application Support/JetBrains/PhpStorm2020.3/phpstorm.jdk
the new java (version "15.0.1" 2020-10-20)
does not understand
-XX:+UseConcMarkSweepGC
specified on Linux in
~/.config/JetBrains/IntelliJIdea2020.3/idea64.vmoptions
needed to remove -XX:+UseConcMarkSweepGC from the idea64.vmoptions file
For PyCharm I needed to remove /Users/<user>/Library/Application\ Support/JetBrains/PyCharm2020.3/pycharm.jdk
Please see https://intellij-support.jetbrains.com/hc/en-us/articles/206544879. It looks like you override the default JetBrains Runtime either via the environment variable or via idea.jdk file in the config directory (https://www.jetbrains.com/help/idea/tuning-the-ide.html#config-directory).