A Java Runtime Environment (JRE) or Java Development Kit (JDK)，jrekit

A Java Runtime Environment (JRE) or Java Development Kit (JDK)，jrekit

 A Java Runtime Environment (JRE) or Java Development Kit (JDK)must be available in order to run Eclipse. No Java virtual machinewas found after searching the following locations:

 

解决：

1.在系统变量中新建系统变量
变量名为 JAVA_HOME
变量值为 D:\Java\jdk1.5.0_22（视具体情况而定）

然后在系统变量的CLASSPATH中   加入如下语句
%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\dt.jar;.

2.找到eclipse安装目录里eclipse.ini文件，修改

-vm下得jdk路径
C:/Program Files/Java/jdk1.6.0_24/bin/javaw.exe