Unable to install breakpoint in...eclipse Unable to install breakpoint in的问题总算解决了，重装eclip
Unable to install breakpoint in...
eclipse Unable to install breakpoint in 的问题总算解决了，重装eclipse无效，最后只有到window-preferences-java-compiler下面
把Add line number attributes..前的勾去掉，然后apply-OK。再window-preferences-java-compiler把勾打上，再apply-OK