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LinuxDo 最新话题 · 2026-05-29 17:08:43+08:00 · tech

电脑上的服务无缘无故出现个问题，你们有见过吗？之前我开发这个项目好好的，就是本周启动项目，出现这个问题。代码里面用的nacos，一直在创建tcp连接，占用端口，直接占用满了，我都把nacos和dubbo的配置都改了，还是这样，只要我启动项目，就会一直涨，直到占满后，服务之间无法再调用了 Caused by: java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([192.168.7.187:8848]) tried: failed to req API:192.168.7.187:8848/nacos/v1/ns/instance. code:500 msg: [java.net](https://java.net/).**BindException: Address already in use**: connect at [com.alibaba.nacos.client.naming.net](https://com.alibaba.nacos.client.naming.net/).NamingProxy.reqAPI(NamingProxy.java:464) at [com.alibaba.nacos.client.naming.net](https://com.alibaba.nacos.client.naming.net/).NamingProxy.reqAPI(NamingProxy.java:386) at [com.alibaba.nacos.client.naming.net](https://com.alibaba.nacos.client.naming.net/).NamingProxy.registerService(NamingProxy.java:188) at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:205) at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:184) at org.apache.dubbo.registry.nacos.NacosRegistry.lambda$doRegister$1(NacosRegistry.java:153) at org.apache.dubbo.registry.nacos.NacosRegistry.execute(NacosRegistry.java:466) at org.apache.dubbo.registry.nacos.NacosRegistry.doRegister(NacosRegistry.java:153) at org.apache.dubbo.registry.support.FailbackRegistry.register(FailbackRegistry.java:236) ... 27 common frames omitted 这个里面的服务器地址是内网地址，我本地启动服务调用的是7.187的服务器我同事启动这个服务，也会涨，但是还会有掉的，我这就是无限上涨不释放。 #requires -Version 5.1 param( [int]$Interval = 5, [int]$WarnThreshold = 100 ) function Get-ServiceName($procId) { try { $proc = Get-CimInstance Win32_Process -Filter “ProcessId = $procId” -ErrorAction SilentlyContinue if ($proc) { $cmd = $proc.CommandLine if ($cmd -match ’ ([a-zA-Z0-9. ]+Application|[a-zA-Z0-9. ]+Main)') { return $matches[1] } if ($cmd -match ‘target\([^\]+).jar’) { return $matches[1] } } $p = Get-Process -Id $procId -ErrorAction SilentlyContinue if ($p) { return $p.ProcessName } } catch {} return “???” } while ($true) { Clear-Host $now = Get-Date -Format “HH:mm:ss” Write-Host “===== Nacos Connection Monitor =====” -ForegroundColor Cyan Write-Host “Time: now Refresh: {Interval}s WarnThreshold: ${WarnThreshold}” -ForegroundColor Gray Write-Host “” $conns = Get-NetTCPConnection -RemotePort 8848 -ErrorAction SilentlyContinue | Where-Object { $_.State -eq 'Established' } if (-not $conns) { Write-Host "No ESTABLISHED connections to Nacos (8848)." -ForegroundColor Green Start-Sleep $Interval continue } $total = $conns.Count $groups = $conns | Group-Object OwningProcess | Sort-Object Count -Descending if ($total -gt 500) { Write-Host "Total connections: $total" -ForegroundColor Red } elseif ($total -gt 200) { Write-Host "Total connections: $total" -ForegroundColor Yellow } else { Write-Host "Total connections: $total" -ForegroundColor Green } Write-Host "" Write-Host ("{0,8} {1,-6} {2,-40} {3}" -f "Count", "PID", "ServiceName", "Status") -ForegroundColor Gray Write-Host ("-" * 75) -ForegroundColor Gray foreach ($g in $groups) { $procId = $g.Name $count = $g.Count $name = Get-ServiceName $procId $status = "OK" $color = "Green" if ($count -gt $WarnThreshold) { $status = "WARN" $color = "Red" } elseif ($count -gt 50) { $status = "HIGH" $color = "Yellow" } $line = "{0,8} {1,-6} {2,-40} {3}" -f $count, $procId, $name, $status Write-Host $line -ForegroundColor $color } Write-Host "" if ($total -gt 500) { Write-Host "[ALERT] Connection storm detected! Total > 500." -ForegroundColor Red } elseif ($total -gt 200) { Write-Host "[WARNING] Total connections are high (>200). Monitor closely." -ForegroundColor Yellow } else { Write-Host "[NORMAL] Connection count looks healthy." -ForegroundColor Green } Start-Sleep $Interval } 是这个脚本监控出来的结果，我也问了两天AI,以及修改nacos的配置，和升级nacos，但是还是有两个服务无法处理 3 个帖子 - 2 位参与者阅读完整话题

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