相关疑难解决方法(0)

JDK和JRE有什么区别?

JDK和JRE有什么区别?
他们的角色是什么,我应该何时使用其中一个?

java

857
推荐指数
17
解决办法
64万
查看次数

此环境中未提供编译器.也许您运行的是JRE而不是JDK?

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-->preferences-->installed jres--> jdk1.7.xx  path
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但这显示出错误

[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 …
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java eclipse m2eclipse maven java-7

588
推荐指数
17
解决办法
107万
查看次数

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