【Windows】IDEA启动端口被占用解决方案

✨报错提示

JetBrains系列软件启动报错

Internal error. Please refer to https://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:555)
    at java.base/sun.nio.ch.ServerSocketChannelImpl.netBind(ServerSocketChannelImpl.java:337)
    at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:294)
    at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:141)
    at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:562)
    at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1334)
    at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:506)
    at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:491)
    at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:973)
    at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:260)
    at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:356)
    at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
    at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
    at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.base/java.lang.Thread.run(Thread.java:833)

-----
Your JRE: 17.0.6+1-b653.34 amd64 (JetBrains s.r.o.)
D:\Program Files\JetBrains\PyCharm 2022.3.3\jbr

✨解决方案

可能由于“Hyper-V随机端口绑定”导致

以管理员身份运行如下命令行重启电脑即可解决

netsh int ipv4 set dynamicport tcp start=49152 num=16384
netsh int ipv6 set dynamicport tcp start=49152 num=16384

详情请阅读：

【Widnows】Hyper-V随机端口绑定导致冲突解决方案 - 双份浓缩馥芮白 - 博客园 (cnblogs.com)

⭐转载请注明出处

本文作者：双份浓缩馥芮白

原文链接：https://www.cnblogs.com/Flat-White/p/17431640.html

版权所有，如需转载请注明出处。