MySql连接异常

[sunyu05]

SqlSugar版本：5.0.4.7 MySql版本：8.0.31 连接异常：

SqlSugar.SqlSugarException HResult=0x80131500 Message=中文提示 : 连接数据库过程中发生错误，检查服务器是否正常连接字符串是否正确，实在找不到原因请先Google错误信息：Unable to connect to any of the specified MySQL hosts.. English Message : Connection open error . Unable to connect to any of the specified MySQL hosts. Source=SqlSugar スタック トレース: 場所 SqlSugar.AdoProvider.GetDataReader(String sql, SugarParameter[] parameters) 場所 SqlSugar.AdoProvider.SqlQuery[T,T2,T3,T4,T5,T6,T7](String sql, Object parameters) 場所 SqlSugar.AdoProvider.SqlQuery[T](String sql, SugarParameter[] parameters) 場所 SqlSugar.AdoProvider.SqlQuery[T](String sql, Object parameters) 場所 SqlSugar.DbMaintenanceProvider.<>cDisplayClass44_01.<GetListOrCache>b__0() 場所 SqlSugar.ReflectionInoCore1.GetOrCreate(String cacheKey, Func1 create) 場所 SqlSugar.ReflectionInoCacheService.GetOrCreate[V](String cacheKey, Func1 create, Int32 cacheDurationInSeconds) 場所 SqlSugar.DbMaintenanceProvider.GetListOrCache[T](String cacheKey, String sql) 場所 SqlSugar.DbMaintenanceProvider.GetTableInfoList(Boolean isCache) 場所 SqlSugar.DbMaintenanceProvider.IsAnyTable(String tableName, Boolean isCache) 場所 Tellus.Core.Module.TellusCoreModule.BuildModule(IServiceProvider provider) 場所 Tellus.Core.Module.AppModule.BuildModule(IApplicationBuilder app) 場所 Microsoft.AspNetCore.Builder.ApplicationBuilderExtensions.<>c__DisplayClass0_0.b1(AppModule module) 場所 System.Collections.Generic.List1.ForEach(Action1 action) 場所 Microsoft.AspNetCore.Builder.ApplicationBuilderExtensions.BuildApplication(IApplicationBuilder app, IHostEnvironment env, IHostApplicationLifetime applicationLifetime) 場所 AssetManager.Api.Startup.Configure(IApplicationBuilder app, IWebHostEnvironment env, IHostApplicationLifetime applicationLifetime) (D:\GitLab\AssetManageAPI\AssetManagerSystem\src\AssetManager.Api\Startup.cs):行 55 場所 System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions) 場所 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) 場所 Microsoft.AspNetCore.Hosting.ConfigureBuilder.Invoke(Object instance, IApplicationBuilder builder) 場所 Microsoft.AspNetCore.Hosting.ConfigureBuilder.<>cDisplayClass4_0.b0(IApplicationBuilder builder) 場所 Microsoft.AspNetCore.Hosting.GenericWebHostBuilder.<>cDisplayClass13_0.b2(IApplicationBuilder app) 場所 Microsoft.AspNetCore.Mvc.Filters.MiddlewareFilterBuilderStartupFilter.<>cDisplayClass0_0.gMiddlewareFilterBuilder|0(IApplicationBuilder builder) 場所 Microsoft.AspNetCore.HostFilteringStartupFilter.<>cDisplayClass0_0.b0(IApplicationBuilder app) 場所 Microsoft.WebTools.BrowserLink.Net.HostingStartup.<>cDisplayClass1_0.b0(IApplicationBuilder app) 場所 Microsoft.AspNetCore.Watch.BrowserRefresh.HostingStartup.<>cDisplayClass1_0.b0(IApplicationBuilder app) 場所 Microsoft.AspNetCore.Hosting.GenericWebHostService.d__31.MoveNext()

[DotNetNext]

new MySqlConnection(db.CurrentConnectionConfig.ConnectionString).Open();

用原生进行测试 看能不能连上去

[DotNetNext]

还有疑问吗

[DotNetNext]

长时间未回复，先关闭，有问题重新发问