java.rmi.server.ExportException: Port already in use: 1099; nested exception is

现象

mac上tomcat启动时报错：

java.rmi.server.ExportException: Port already in use: 1099; nested exception is....

端口1099被占用着

解决

查找占用端口的进程

lsof -i tcp:1099

杀死进程

kill pid