类型安全的安装：即使已经安装，仍然找不到JDK

Question

类型安全的安装：即使已经安装，仍然找不到JDK

4

我已安装了JDK（包括1.7.0.3和1.8.0）。我已交替添加路径C：\ Program Files \ Java \ jdk1.7.0_03 \ bin或C：\ Program Files \ Java \ jdk1.8.0 ，并分别添加了系统变量JAVA_HOME为C:\ Program Files \ Java \ jdk1.7.0_03 或C：\ Program Files \ Java \ jdk1.8.0 。

我已下载了与play相关的typesafe activator，并将其解压到我的C:\驱动器中。然后当我尝试通过activator.bat运行它或通过命令activator ui从CMD运行时，会显示以下错误：

C:\activator-1.0.13>activator ui
'"C:\Program Files\Java\jdk1.8.0\bin\java.exe" -version 2>&1' is not recognized
as an internal or external command,
operable program or batch file.
'"C:\Program Files\Java\jdk1.8.0\bin\javac.exe" -version 2>&1' is not recognized
 as an internal or external command,
operable program or batch file.

A Java JDK is not installed or can't be found.
JAVA_HOME = "C:\Program Files\Java\jdk1.8.0"

Please go to
  http://www.oracle.com/technetwork/java/javase/downloads/index.html
and download a valid Java JDK and install before running Activator.

If you think this message is in error, please check
your environment variables to see if "java.exe" and "javac.exe" are
available via JAVA_HOME or PATH.

我正在使用微软 Windows 7 操作系统。

额外信息：

C:\activator-1.0.13>javac -version
javac 1.8.0

C:\activator-1.0.13>java -version
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

C:\activator-1.0.13>activator ui
'"C:\Program Files\Java\jdk1.8.0\bin\java.exe" -version 2>&1' is not recognized
as an internal or external command,
operable program or batch file.
'"C:\Program Files\Java\jdk1.8.0\bin\javac.exe" -version 2>&1' is not recognized
 as an internal or external command,
operable program or batch file.

A Java JDK is not installed or can't be found.
JAVA_HOME = "C:\Program Files\Java\jdk1.8.0"

Please go to
  http://www.oracle.com/technetwork/java/javase/downloads/index.html
and download a valid Java JDK and install before running Activator.

If you think this message is in error, please check
your environment variables to see if "java.exe" and "javac.exe" are
available via JAVA_HOME or PATH.

- Shakib Ahmed

你在定义JAVA_HOME时使用了双引号吗？ - madth3

当然不是，就像我之前提到的那样，只需 C:\Program Files\Java\jdk1.8.0。 - Shakib Ahmed

似乎不是你的情况，但 activator.bat 有逻辑来拒绝 OpenJDK 构建，它似乎期望 java -version 输出仅以 "java" 字符串开头，而不是 "openjdk"。 - Jaime Hablutzel

抱歉，我不明白。 - Shakib Ahmed

2个回答

0

这对我有用： 1. 以管理员身份打开命令提示符 2. 导航到带有activator.bat的文件夹 3. 输入“activator ui”（不包括引号） 4. 按回车键

- Orhan

网页内容由stack overflow 提供, 点击上面的

可以查看英文原文，
原文链接

- Adam Lane · Accepted Answer

我曾在Windows上遇到类似的问题... 'C:\Program' 不被识别为内部或外部命令

将Java安装到无空格路径下，并将其用作我的JAVA_HOME，可以解决我的问题。