Internal error. Please report 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(Unknown Source)
at java.base/sun.nio.ch.Net.bind(Unknown Source)
at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(Unknown Source)
at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:130)
at io.netty.channel.AbstractChannel
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AbstractUnsafe.bind(AbstractChannel.java:562) at io.netty.channel.DefaultChannelPipeline
AbstractUnsafe.bind(AbstractChannel.java:562)atio.netty.channel.DefaultChannelPipelineHeadContext.bind(DefaultChannelPipeline.java:1358)
at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:1019)
at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:258)
at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:366)
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:474)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:909)
at java.base/java.lang.Thread.run(Unknown Source)
管理员身份打开cmd，运行以下代码。
net stop winnat
net start winnat再重启Pycharm就可以了。
解决方法二管理员身份打开powershell，运行以下代码。
Get-NetAdapter | Disable-NetAdapter -Confirm:$false -PassThru:$true | Enable-NetAdapter再重启Pycharm就可以了。
参考链接
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