Eclipse is running in a JRE, but a JDK is required

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Eclipse is running in a JRE, but a JDK is required 解决方法

October 7, 2010 by Davlid, Li Guoliang,

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安装Maven后每次启动出现警告信息:

Eclipse is running in a JRE, but a JDK is required
Some Maven plugins may not work when importing projects or updating source folders.

分两步解决问题:

1. 检查Eclipse正在使用的JRE

‘Window’ -> ‘Preferences’ -> ‘Java’ -> ‘Installed JREs’ 确定正在使用JDK而非JRE.

如果没有JDK, 则先新增一个Standard VM.

2. 配置Eclipse.ini

检查Eclipse配置文件, 增加/编辑以下代码:

-vm
C:\Progra~2\Java\jdk1.6.0_16\jre\bin\javaw

-vm
C:\Progra~2\Java\jdk1.6.0_16\jre\bin\javaw

注意事项:

1. 第一行参数名称, 第二行为值, 不能写到同一行中

2. 关于第二行的值, 因为不允许出现空格, 所以使用Progra~1或2 替代”Program Files (x86)”.
如果在Program Files下, 请使用Progra~1， 如果在x86下, 则使用Progra~2

3. 在文件中的位置, 不能放到最后(不能在-vmargs之后), 不放心的直接放到文件最前, 如:

-vm
C:\Progra~2\Java\jdk1.6.0_16\jre\bin\javaw
-startup
.....
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms240m
-Xmx912m

-vm
C:\Progra~2\Java\jdk1.6.0_16\jre\bin\javaw
-startup
.....
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms240m
-Xmx912m

3. 重启Eclipse, 警告不再出现.

See: http://tech.karolzielinski.com/m2eclipse-eclipse-is-running-in-a-jre-but-a-jdk-is-required

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3 Responses to Eclipse is running in a JRE, but a JDK is required 解决方法

1. Firm says:

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   October 7, 2010 at 15:47

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   还真是麻烦。。。

   Reply

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2. xinba says:

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   July 5, 2011 at 10:10

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   试了好半天，不管用，直接加参数，就好了
   eclipse -vm c:\jdk1.4.2\jre\bin\javaw

   Reply

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3. flysnack says:

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   October 31, 2011 at 15:19

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   根据注意事项3，把代码放到最前面后，配置成功。

   Reply

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