如何强制 Eclipse m2e 插件为项目使用 jdk
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How to force Eclipse m2e plugin to use jdk for a project
提问by Igor Grinfeld
I'm using Maven with 'Eclipse Kepler JavaEE'. I have something like this in 'maven-compiler-plugin' :
我将 Maven 与“Eclipse Kepler JavaEE”一起使用。我在 'maven-compiler-plugin' 中有这样的东西:
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
Each time I'm changing somethin in 'pom.xml', eclipse forces me to perform 'Maven -> Update Project' and than project settings are changed to use JRE instead JDK and some maven builds are stopping to work.
每次我更改“pom.xml”中的某些内容时,eclipse 都会强制我执行“Maven -> 更新项目”,然后将项目设置更改为使用 JRE 而不是 JDK,并且一些 Maven 构建停止工作。
The only solution I found to solve it is to set How I can set eclipse/m2e to use JDK is to define a path in maven-compiler-plugin. It is not good solution, since it is working only for my computer will fail for other.
我发现解决它的唯一解决方案是设置 How I can set eclipse/m2e to use JDK 是在 maven-compiler-plugin 中定义路径。这不是一个好的解决方案,因为它仅适用于我的计算机,其他计算机将失败。
I think there are some maven or m2e definitions saying "use jdk and not jre".
我认为有一些 maven 或 m2e 定义说“使用 jdk 而不是 jre”。
回答by Harald Wellmann
In Eclipse, open Window | Preferences | Java | Installed JREs, make sure there's a JDK (and not just a JRE) for Java 1.7, then go to the submenu Execution Environmentsand mark this JDK as compatible with JavaSE-1.7.
在 Eclipse 中,打开Window | 偏好 | 爪哇| 安装 JREs,确保有适用于 Java 1.7 的 JDK(而不仅仅是 JRE),然后转到子菜单Execution Environments并将此 JDK 标记为与 JavaSE-1.7 兼容。
After that, Maven | Update Projectshould work as desired.
之后,Maven | 更新项目应该按需要工作。
回答by Ankur Nirmalkar
First MVN_HOME
has to be setup and then the JDK
as to browsed instead of JRE
首先MVN_HOME
必须设置然后JDK
浏览而不是JRE
Window--> Preferences--> Java-->Installed JREs
and select JDK
(e.g. : jdk1.7 or jdk1.8
)
和选择JDK
(例如:jdk1.7 or jdk1.8
)
the do mvn install it will work
do mvn install 它会起作用