mvn 全新安装构建失败
  [INFO] Total time:  1.911 s
    [INFO] Finished at: 2020-11-14T19:07:37+08:00
    [INFO] ------------------------------------------------------------------------
    [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project es-starter: Compilation failure
    [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
    [ERROR]
    [ERROR] -> [Help 1]
    [ERROR]
    [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
    [ERROR] Re-run Maven using the -X switch to enable full debug logging.
    [ERROR]
    [ERROR] For more information about the errors and possible solutions, please read the following articles:
    [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
Java & Maven 环境
?
      ~ which java
    /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java
    ?  ~ mvn -v
    Apache Maven 3.6.1 (d66c9c0b3152b2e69ee9bac180bb8fcc8e6af555; 2019-04-05T03:00:29+08:00)
    Maven home: /Users/munan/Documents/work/develop/maven/apache-maven-3.6.1
    Java version: 1.8.0_192, vendor: Oracle Corporation, runtime: /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
    Default locale: zh_CN, platform encoding: UTF-8
    OS name: "mac os x", version: "10.16", arch: "x86_64", family: "mac"
环境好像没有问题。那么导致构建失败的问题出在哪里呢?
ACB*_*ngo 15
将 Mac 更新到 Big Sur 后,我遇到了同样的问题!
BigSur出于某种原因添加了JRE路径,并且比自己的JDK优先级更高?
这是我的解决方案:
第一的:
/usr/libexec/java_home -V
那么也许你会得到:
Matching Java Virtual Machines (2):
    1.8.202.08 (x86_64) "Oracle Corporation" - "Java" /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
    1.8.0_202 (x86_64) "Oracle Corporation" - "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home
/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
所以第二个是我们真正的JDK。只需在您的 bash 配置文件中编辑 JAVA_HOME。
vim ~/.zshrc
export JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home"
source vim ~/.zshrc
echo $JAVA_HOME
然后它会起作用!享受Bug Sur!
或者你可以通过这个cmd重新安装jdk8:
brew tap adoptopenjdk/openjdk
brew cask install adoptopenjdk8
小智 6
将 Mac 更新到 Big Sur 后,我遇到了同样的问题!所以我设置了我的 JAVA_HOME 环境变量,现在一切都恢复正常了。打开终端,按以下命令自行解决。
$ vim .bash_profile 
export JAVA_HOME=$(/usr/libexec/java_home)
$ source .bash_profile
$ echo $JAVA_HOME
/Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home
通过运行检查您的 java_home:
/usr/libexec/java_home -V
在此处阅读更多相关信息 - https://mkyong.com/java/how-to-set-java_home-environment-variable-on-mac-os-x/
小智 1
嘿,这是错误 [ERROR] 此环境中未提供编译器。也许您正在 JRE 而不是 JDK 上运行?
你必须切换到 openJdk 来进行 maven clean 并安装 1st 你必须下载它你可以很容易地找到它。在 Eclipse 中,您可以右键单击项目,然后构建路径,然后在库选项卡中设置 openJDK。在此之后,这些错误将不会出现,但在每次 FMP 之后,它可能会切换回 jre。希望得到帮助
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