英文:
Why the java version 8 which is selected in jenv is not in fact the current java on my Mac?
问题
我已使用Homebrew安装了sbt（它又安装了Java 13），并使用brew cask安装了openjdk Java 8，操作如下：
brew install sbt
brew cask install adoptopenjdk8
然后将Java 8添加到jenv中，如下所示：
jenv add （Java 8的路径）
但仍然出现以下情况：
nicolae.marasoiu@OVO4939MB ~ % jenv versions
system
* 1.8 (由 /Users/nicolae.marasoiu/.java-version 设置)
1.8.0.242
13.0
13.0.2
openjdk64-1.8.0.242
openjdk64-13.0.2
nicolae.marasoiu@OVO4939MB ~ % java -version
openjdk version "13.0.2" 2020-01-14
OpenJDK Runtime Environment (build 13.0.2+8)
OpenJDK 64-Bit Server VM (build 13.0.2+8, mixed mode, sharing)
英文:
I have used brew to install sbt (which in its turn installs java 13), and brew cask to install openjdk java 8, like this:
brew install sbt
brew cask install adoptjava8
Then added the java 8 to jenv as seen below:
jenv add (path to java 8 Home)
nicolae.marasoiu@OVO4939MB ~ % jenv versions
system
* 1.8 (set by /Users/nicolae.marasoiu/.java-version)
1.8.0.242
13.0
13.0.2
openjdk64-1.8.0.242
openjdk64-13.0.2
But still:
nicolae.marasoiu@OVO4939MB ~ % java -version
openjdk version "13.0.2" 2020-01-14
OpenJDK Runtime Environment (build 13.0.2+8)
OpenJDK 64-Bit Server VM (build 13.0.2+8, mixed mode, sharing)
答案1
得分: 1
已解决，使用来自 https://github.com/Homebrew/homebrew-core/issues/31390 的信息。
基本步骤如下：
brew install jenv
echo 'eval "$(jenv init -)"' >> ~/.bash_profile
jenv add <path-to-java8-home>
所以缺失的部分是在 .bash_profile 或 .zprofile 中的脚本部分，允许 jenv 配置本地 shell 以了解所需的 Java 版本。
英文:
Solved it, with the information from https://github.com/Homebrew/homebrew-core/issues/31390
Basically the steps are:
brew install jenv
echo 'eval "$(jenv init -)"' >> ~/.bash_profile
jenv add <path-to-java8-home>
So the missing part was the scripting part in .bash_profile or .zprofile that allows for jenv to configure the local shell to know about the wanted java version.
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