在此环境中不提供编译器。也许你运行在JRE而不是JDK？ [英] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

问题描述

我正在使用m2eclipse在Eclipse中编译一个项目。我在Eclipse中设置JDK路径，如下所示：

  Windows  - >首选项 - >已安装jres  - > jdk1.7.xx路径
  

但是这显示错误

  [错误]编译错误：
 [INFO] ---------------------- --------------------------------------- 
 [ERROR]不提供编译器在这种环境下。也许你运行在JRE而不是JDK？ 
 [INFO] 1错误
 [INFO] ---------------------------------- --------------------------- 
 [INFO] ---------------- -------------------------------------------------- ------ 
 [INFO] BUILD FAILURE 
 [INFO] ---------------------------- -------------------------------------------- 
 [信息]总时间：1.424s 
 [INFO]完成于：Tue Oct 29 15:21:01 IST 2013 
 [INFO] Final Memory：5M / 15M 
 [INFO] ---- -------------------------------------------------- ------------------ 
 [ERROR]无法执行目标org.apache.maven.plugins：maven-compiler- plugin：3.1：compile（default-compile ）项目TEST-WEB：编译失败
 [ERROR]在此环境中没有提供编译器。也许你运行在JRE而不是JDK？ 
  

解决方案

1. ，请进入 窗口 > 首选项 > Java > 安装的JRE >，并检查您的 安装的JRE 。你应该有一个有JDK的条目。


2. 选择执行环境如下所示。点击 确定


3. 然后在您的项目上点击 更新项目

此外，您可能需要更改Maven JRE（请参阅@ jlars62答案），如下所示。转到运行 - >运行配置，选择正在运行的Maven构建（从左侧面板）。然后，我点击了JRE选项卡并选择了工作区默认JRE

I'm compiling a project in Eclipse using m2eclipse. I set the JDK path in Eclipse like this:

Windows-->preferences-->installed jres--> jdk1.7.xx  path

But this is showing an error

[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE    rather than a JDK?
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.424s
[INFO] Finished at: Tue Oct 29 15:21:01 IST 2013
[INFO] Final Memory: 5M/15M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-   plugin:3.1:compile (default-compile) on project TEST-WEB: Compilation failure
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

解决方案

1. On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there.
2. Select the Execution Env as show below. Click OK
3. Then Right-Click on your Project -> Maven -> Update Project

Additionally, you may have to change Maven JRE (see @jlars62 answer) which is as follows. Goto Run -> Run Configurations, selecting the Maven Build I was running (from the left panel). Then, I clicked the JRE tab and selected the option Workspace default JRE

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