IDEA启动报错

Internal error. Please refer to http://jb.gg/ide/critical-startup-errors

java.net.BindException: Address already in use: bind    at java.base/sun.nio.ch.Net.bind0(Native Method)    at java.base/sun.nio.ch.Net.bind(Net.java:461)    at java.base/sun.nio.ch.Net.bind(Net.java:453)    at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)    at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:132)    at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:551)    at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1345)    at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:503)    at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:488)    at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:984)    at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:247)    at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:355)    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:416)    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:515)    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:918)    at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)    at java.base/java.lang.Thread.run(Thread.java:834)