解决报错：错误: 代理抛出异常错误: java.rmi.server.ExportException: Port already in use: 1099

昨天正常运行的Spring项目，今天一早再次运行时发生报错：

错误: 代理抛出异常错误: java.rmi.server.ExportException: Port already in use: 1099; nested exception is: 
	java.net.BindException: Address already in use: JVM_Bind
sun.management.AgentConfigurationError: java.rmi.server.ExportException: Port already in use: 1099; nested exception is: 
	java.net.BindException: Address already in use: JVM_Bind
	at sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:480)
	at sun.management.Agent.startAgent(Agent.java:262)
	at sun.management.Agent.startAgent(Agent.java:452)
Caused by: java.rmi.server.ExportException: Port already in use: 1099; nested exception is: 
	java.net.BindException: Address already in use: JVM_Bind
	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:346)
	at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:254)
	at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:411)
	at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:147)
	at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:236)
	at sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:213)
	at sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:173)
	at sun.management.jmxremote.SingleEntryRegistry.<init>(SingleEntryRegistry.java:49)
	at sun.management.jmxremote.ConnectorBootstrap.exportMBeanServer(ConnectorBootstrap.java:816)
	at sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:468)
	... 2 more
Caused by: java.net.BindException: Address already in use: JVM_Bind
	at java.net.DualStackPlainSocketImpl.bind0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketBind(DualStackPlainSocketImpl.java:106)
	at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
	at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:190)
	at java.net.ServerSocket.bind(ServerSocket.java:375)
	at java.net.ServerSocket.<init>(ServerSocket.java:237)
	at java.net.ServerSocket.<init>(ServerSocket.java:128)
	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createServerSocket(RMIDirectSocketFactory.java:45)
	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createServerSocket(RMIMasterSocketFactory.java:345)
	at sun.rmi.transport.tcp.TCPEndpoint.newServerSocket(TCPEndpoint.java:666)
	at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:335)
	... 11 more

报错原因是1099端口被占用，在命令行中找到占用1099端口的进程，杀掉它即可解决。

之后再次运行项目，成功运行。