我在一个名为calculator.java的文件中有下面的Spring程序public class Calculator {
public int calculate(@RequestParam("expression") String expression) { int result = 0;
String[] tokens = expression.sp
Port 8080 was already in use.Action:
Identify and stop the process that's listening on port 8080 or configure this application to我更改了application.properties文件中的端口。但还是会犯同样的错误。一开始我自动运行,但是第二天我又运行了一次,问题是这样的..我真的不知道怎么解决它。