IntelliJ IDEA“所选目录不是 JDK 的有效主目录”

我刚刚安装了 IntelliJ IDEA 我正在尝试建立它。我已经到了需要为 JDK 选择主目录的地步。

我试着导航到我的 Java 安装 C:\Program Files (x86)\Java，然后点击 OK，但是它告诉了我上面的信息。所以，我试了 C:\Program Files (x86)\Java\jre7，但也没有成功。

我尝试重新安装最新的 JDK (来自 给你) ，但仍然无法选择我的 JDK。我甚至拖动我从网站和文件选择器窗口得到的 .jar安装程序不会认出它。

我停滞不前，不知道该怎么办。

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最佳答案

Because you are choosing jre dir. and not JDK dir. JDK dir. is for instance (depending on update and whether it's 64 bit or 32 bit): C:\Program Files (x86)\Java\jdk1.7.0_45 In my case it's 32 bit JDK 1.7 update 45

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I had the same issue. But I figured it out by choosing this path:

First at all, you need to select the C:\ folder. Then, you select Program Files. After it, you select java, and finally the jdk you downloaded. In my case, I downloaded the JDK1.8.0_60 version.

To resume the path: 

C:\Program Files\java\jdk1.8.0_60

After you are done with it, you can click on the button next. Then you select the create project from templates. This will create a java application with a main() method. After it, you click next to create the name of you project.

I hope this helps you.

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It got this error because I had managed to clobber jdk1.8.0_60 with the jre!

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This error occurs because if you choosing the path deep in JDK or JRE. The exact path that should be chosen is in my case 64 bit

C:\Program Files\Java\jdk1.8.0_91

if 32 bit

C:\Program Files (86)\Java\jdk1.8.0_91

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May be your jdk is in /usr/lib/jvm/. This variant for linux.

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One thing we should note: the jdk should be installed on C: drive.

I had JDK installed on my D: drive like this:

D:\Program Files\Java\jdk1.8.0_101

And it would still give me the same error. For some reason Java should be installed on C: drive.

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In case you missed the configuration at the Project Structure(File -> Project Structure), just reconfigure it like below:

For Java enter image description here

For Android enter image description here

Enjoy coding J

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For Windows, apparently the JDK has to be under C:\Program Files.

This does not work:

C:\dev\Java\jdk1.8.0_191

This works: 

C:\Program Files\Java\jdk1.8.0_191

(I'm using IntelliJ IDEA Ultimate 2018.2.4.)

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for me ,with JDK11 and IntelliJ 2016.3 , I kept getting the same message so I decided to uninstall JDK11 and installed JDK8 instead and it immediately worked!

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I ended up needing to replace 2017 with 2019, and everything worked fine. /shrug... no other suggestions here worked for me.

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I had \bin as part of the path. Up one level of the selected directory worked for me.

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I had the same problem. The solution was to update IntelliJ to the newest version.

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For anyone on a Mac with a homebrew-installed openjdk, you need to use the directory under libexec: <openjdk11_directory>/libexec/openjdk.jdk/Contents/Home.

Thanks to https://intellij-support.jetbrains.com/hc/en-us/community/posts/360007751379/comments/360001513560.

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Although JDK version 8 can be added into IntelliJ IDEA version 2017.2.6, I couldn't add JDK version 11.0.14 into and got the same error. Because of this, I downloaded new version of IntelliJ IDEA version (2021.3.2) and I could add JDK 11.0.14 into IntelliJ easily without any error. Using newer release of IntelliJ than JDK release can be reasonable recommendation for people who meet this kind of problems.

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upgrade to recent version of intellij work for me


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