ABP框架分层架构下无法连接Redis服务器的问题求助

问题描述 #

使用最新版ABP Framework分层架构、EF及Blazor Server客户端时，遇到Redis连接错误：It was not possible to connect to the redis server(s)。

• 调试AuthServerModule时，直接通过var redis = ConnectionMultiplexer.Connect可正常连接Redis服务器并获取数据库
• Redis服务器在RedisInsight中连接、测试均正常
• 错误日志如下：

2023-04-12 17:24:15.606 +03:00 [INF] Content root path: C:MyProjectsa_Samples\Denemeler14\Adalim14\src\Adalim14.AuthServer
2023-04-12 17:24:15.668 +03:00 [INF] Request starting HTTP/2 GET https://localhost:44311/ - -
2023-04-12 17:24:22.411 +03:00 [ERR] It was not possible to connect to the redis server(s). UnableToConnect on merry-ladybug-33525.upstash.io:6379/Interactive, Initializing/NotStarted, last: NONE, origin: BeginConnectAsync, outstanding: 0, last-read: 5s ago, last-write: 5s ago, keep-alive: 60s, state: Connecting, mgr: 10 of 10 available, last-heartbeat: never, global: 0s ago, v: 2.2.4.27433
StackExchange.Redis.RedisConnectionException: It was not possible to connect to the redis server(s). UnableToConnect on merry-ladybug-33525.upstash.io:6379/Interactive, Initializing/NotStarted, last: NONE, origin: BeginConnectAsync, outstanding: 0, last-read: 5s ago, last-write: 5s ago, keep-alive: 60s, state: Connecting, mgr: 10 of 10 available, last-heartbeat: never, global: 0s ago, v: 2.2.4.27433
at StackExchange.Redis.ConnectionMultiplexer.ConnectImplAsync(ConfigurationOptions configuration, TextWriter log) in //src/StackExchange.Redis/ConnectionMultiplexer.cs:line 861
at Microsoft.Extensions.Caching.StackExchangeRedis.RedisCache.ConnectAsync(CancellationToken token)
at Microsoft.Extensions.Caching.StackExchangeRedis.RedisCache.GetAndRefreshAsync(String key, Boolean getData, CancellationToken token)
at Microsoft.Extensions.Caching.StackExchangeRedis.RedisCache.GetAsync(String key, CancellationToken token)
at Microsoft.Extensions.Caching.Distributed.DistributedCacheExtensions.GetStringAsync(IDistributedCache cache, String key, CancellationToken token)
at Volo.Abp.PermissionManagement.StaticPermissionSaver.SaveAsync()
at Volo.Abp.PermissionManagement.StaticPermissionSaver.SaveAsync()
at Castle.DynamicProxy.AsyncInterceptorBase.ProceedAsynchronous(IInvocation invocation, IInvocationProceedInfo proceedInfo)
at Volo.Abp.Castle.DynamicProxy.CastleAbpMethodInvocationAdapter.ProceedAsync()
at Volo.Abp.Uow.UnitOfWorkInterceptor.InterceptAsync(IAbpMethodInvocation invocation)
at Volo.Abp.Castle.DynamicProxy.CastleAsyncAbpInterceptorAdapter1.InterceptAsync(IInvocation invocation, IInvocationProceedInfo proceedInfo, Func3 proceed)
at Volo.Abp.PermissionManagement.AbpPermissionManagementDomainModule.<>c__DisplayClass8_0.<b__1>d.MoveNext()

解决建议 #

• 检查ABP配置的Redis连接字符串完整性
  你使用的是Upstash Redis，需确保连接字符串包含用户名、密码、SSL协议等关键参数。直接调用ConnectionMultiplexer.Connect可能用了完整配置，但appsettings.json中的Redis:Configuration可能缺失参数。Upstash标准连接字符串格式为：rediss://<用户名>:<密码>@merry-ladybug-33525.upstash.io:6379（带SSL）。
  确认配置文件内容：

  "Redis": {
    "Configuration": "rediss://<你的用户名>:<你的密码>@merry-ladybug-33525.upstash.io:6379",
    "InstanceName": "Adalim14"
  }
  

• 验证ABP的Redis缓存注入配置
  检查AuthServerModule或相关模块的ConfigureServices方法，确保Redis缓存配置正确：

  Configure<AbpDistributedCacheOptions>(options =>
  {
      options.KeyPrefix = "Adalim14:";
  });
  

  同时确认未手动替换IDistributedCache实现，导致使用错误的Redis配置。

• 检查StackExchange.Redis版本兼容性
  日志显示使用的StackExchange.Redis版本为2.2.4.27433，ABP最新版可能对该库有版本要求。尝试升级StackExchange.Redis到最新稳定版，或确认与ABP依赖的版本匹配。

• 添加Redis连接超时与重试参数
  在连接字符串中补充超时和重试配置，避免网络波动导致连接失败：

  rediss://<用户名>:<密码>@merry-ladybug-33525.upstash.io:6379?connectTimeout=10000&syncTimeout=10000&retry=3
  

• 确认应用程序网络权限
  虽然RedisInsight能连接，但应用程序所在环境可能有不同网络策略（如防火墙、代理）。用命令行测试网络连通性：

  # Linux/macOS
  telnet merry-ladybug-33525.upstash.io 6379
  

  # Windows
  Test-NetConnection merry-ladybug-33525.upstash.io -Port 6379
  

内容的提问来源于stack exchange，提问作者Serdar Güner