项目启动之后，就会产生这样的崩溃问题，运行不了了

Cannot connect to runtime process, timeout after 10000 ms - (reason: Can't find a target that matches: file://

麻烦能详细点解释吗？端口号改成多少？还是说要装java，装了java再改端口号？

我装完java就没报这个错误了