No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
maven构建项目时用jetty:run 启动项目报错如下,导致jetty运行不起来,参考网上资料得以解决
在eclipse的菜单中,进入 Window > Preferences > Java > Installed JREs > Execution Environments,选择JavaSE-1.7, 在右侧选择jdk.
然后在maven菜单中使用 “update project ...”
得已解决
转载于:https://blog.51cto.com/mazongfei/1897826