IntelliJ:错误:Java:不支持版本10 [英] IntelliJ: Error: java: release version 10 not supported

问题描述

在IntelliJ中，当我尝试从构建菜单进行构建时，我得到了一条奇怪的错误消息

In IntelliJ, I'm getting this strange error message when I try to build from the build menu

错误:java:不支持10版发行版

Error: java: release version 10 not supported

我不明白，因为在项目结构中，我设置了以下设置:

I don't understand this, since in Project Structure, I have these settings set:

Project SDK:9.0
项目语言级别:SDK默认
模块语言级别:项目默认值(两个模块)

Project SDK: 9.0
Project Language Level: SDK Default
Module Language Level: Project Default (both modules)

在我的pom.xml文件中，两个模块中都设置了以下属性:

In my pom.xml files, I have these properties set in both modules:

<maven.compiler.source>9</maven.compiler.source>
<maven.compiler.target>9</maven.compiler.target>

我不知道为什么要尝试将JDK 10用于任何东西，但我仍然收到该消息.

I have no idea why it's trying to use JDK 10 for anything, but I still get that message.

我很高兴使用JDK 10，但是我的项目在该版本中不起作用，所以我回头看看它在哪个版本中工作.我已经安装了版本1.4到版本10的SDK.

I'd be happy to use JDK 10, but my project doesn't work in that version, so I'm going back to see which versions it works in. I have SDKs installed for version 1.4 through 10.

我也尝试过使用JDK 1.8进行构建，但是得到的错误消息略有不同:

I've also tried building using JDK 1.8, but I get a slightly different error message:

错误:java:无效的目标版本:10

Error: java: invalid target release: 10

我发现我可以使用JDK 9在命令行中进行构建，但是我需要从我的IDE中进行构建.

I've found that I can build from the command line using JDK 9, but I need to build from my IDE.

有人可以告诉我如何使用JDK 1.9或1.8来构建我的项目吗?

Can anyone tell me how to build my project using JDK 1.9 or 1.8?

推荐答案

我刚刚弄清楚了.我还需要调整Maven-compiler-plugin中的版本.我正在使用3.8.0版.我需要更改此值:

I just figured it out. I also needed to adjust the version in the maven-compiler-plugin. I'm using version 3.8.0. I needed to change this value:

<release>10</release>

在这里找到它:

<build>
  <plugins>
    <plugin>
      <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.0</version>
        <configuration>
            <release>10</release> <!-- This was the problem. -->
        </configuration>
        ...

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