碰到这个错误：
Eclipse启动时报错：A Java RunTime Environment (JRE) or Java Development Kit (JDK) must be available in order
to run Eclipse. No java virtual machine was found after searching the following locations:…
解决办法是在终端进入你的eclipse目录，然后输入：
mkdir jre
cd jre
ln -s 你的JDK目录/bin bin
问题解决！