{"record":{"id":"aacc2c0e4bc127f6","repo":"abpframework/abp","slug":"no-ihybridcacheserializer-configured-for-type-ty","errorCode":null,"errorMessage":"No IHybridCacheSerializer configured for type '{typeof(TCacheItem).Name}'","messagePattern":"No IHybridCacheSerializer configured for type '(.+?)'","errorType":"exception","errorClass":"InvalidOperationException","httpStatus":null,"severity":"error","filePath":"framework/src/Volo.Abp.Caching/Volo/Abp/Caching/Hybrid/AbpHybridCache.cs","lineNumber":459,"sourceCode":"\n        serializer = ServiceProvider.GetService<IHybridCacheSerializer<TCacheItem>>();\n        if (serializer is null)\n        {\n            var factories = ServiceProvider.GetServices<IHybridCacheSerializerFactory>().ToArray();\n            Array.Reverse(factories);\n            foreach (var factory in factories)\n            {\n                if (factory.TryCreateSerializer<TCacheItem>(out var current))\n                {\n                    serializer = current;\n                    break;\n                }\n            }\n        }\n\n        if (serializer is null)\n        {\n            throw new InvalidOperationException($\"No {nameof(IHybridCacheSerializer<TCacheItem>)} configured for type '{typeof(TCacheItem).Name}'\");\n        }\n\n        return serializer.As<IHybridCacheSerializer<TCacheItem>>();\n    }\n}\n","sourceCodeStart":441,"sourceCodeEnd":465,"githubUrl":"https://github.com/abpframework/abp/blob/7ed43b1931b9df46a50c0c59148a18645641d0df/framework/src/Volo.Abp.Caching/Volo/Abp/Caching/Hybrid/AbpHybridCache.cs#L441-L465","documentation":"Thrown by AbpHybridCache.ResolveSerializer when no IHybridCacheSerializer<TCacheItem> can be resolved. The resolver first tries a directly registered serializer for the type, then iterates registered IHybridCacheSerializerFactory instances; if all return null, it throws. The hybrid cache must serialize cache items to the backing store, so every cached type needs a serializer.","triggerScenarios":"AbpHybridCache<TCacheKey, TCacheItem> performs a get/set that requires serialization, and the DI container has neither IHybridCacheSerializer<TCacheItem> nor any IHybridCacheSerializerFactory that can build one for TCacheItem. The cached type was never registered with the hybrid cache serializer infrastructure.","commonSituations":"Caching a custom DTO with the hybrid cache without registering a serializer or factory; enabling AbpHybridCache module but not configuring serializers; removing the default JSON serializer factory; caching a type that the default factory cannot handle (e.g., lacks a parameterless constructor or is not JSON-serializable).","solutions":["Register an IHybridCacheSerializer<TCacheItem> for the type: context.Services.AddTransient<IHybridCacheSerializer<MyDto>, MyDtoSerializer>();","Or register/enable an IHybridCacheSerializerFactory whose TryCreateSerializer<T> returns true for the type (the JSON factory covers most serializable DTOs).","Ensure the type is JSON-serializable (public parameterless constructor, serializable members) so the default factory can handle it.","Add the AbpHybridCache module and its default serializer configuration via the proper module dependency."],"exampleFix":"// before: caching MyDto with no serializer configured\npublic class MyDto { public string Name { get; set; } }\n// _hybridCache.GetAsync<MyDto>(...) throws InvalidOperationException\n\n// after: register a serializer (or ensure the JSON factory covers it)\ncontext.Services.AddSingleton<IHybridCacheSerializer<MyDto>, JsonHybridCacheSerializer<MyDto>>();\n\n// or register a factory that handles arbitrary types\ncontext.Services.AddSingleton<IHybridCacheSerializerFactory, JsonHybridCacheSerializerFactory>();","handlingStrategy":"validation","validationCode":"// Before caching a type, ensure a serializer (or a factory that can build one) is registered.\nvar direct = serviceProvider.GetService<IHybridCacheSerializer<TCacheItem>>();\nvar factoryCanHandle = serviceProvider.GetServices<IHybridCacheSerializerFactory>()\n    .Any(f => f.TryCreateSerializer<TCacheItem>(out _));\nif (direct == null && !factoryCanHandle)\n{\n    throw new InvalidOperationException($\"No IHybridCacheSerializer<{typeof(TCacheItem).Name}> registered. Register one or an IHybridCacheSerializerFactory.\");\n}","typeGuard":"public static bool HasSerializerFor<TCacheItem>(IServiceProvider sp)\n{\n    if (sp.GetService<IHybridCacheSerializer<TCacheItem>>() is not null) return true;\n    return sp.GetServices<IHybridCacheSerializerFactory>().Any(f => f.TryCreateSerializer<TCacheItem>(out _));\n}","tryCatchPattern":"try\n{\n    var value = await hybridCache.GetAsync<TCacheItem>(key);\n}\ncatch (InvalidOperationException ex) when (ex.Message.Contains(\"No IHybridCacheSerializer\", StringComparison.Ordinal))\n{\n    logger.LogError(ex, \"Missing hybrid cache serializer for {Type}; register one and retry.\", typeof(TCacheItem).Name);\n    throw;\n}","preventionTips":["Register serializers (or a JSON factory) for every type you cache with the hybrid cache.","Ensure cached DTOs are JSON-serializable (public, parameterless constructor).","Add a startup test that resolves a serializer for each cached type.","Keep the AbpHybridCache module and its default serializer factory in DependsOn."],"tags":["caching","hybrid","serialization","configuration"],"backgroundTag":null,"analyzedSha":"7ed43b1931b9df46a50c0c59148a18645641d0df","analyzedAt":"2026-08-13T16:26:11.351Z","schemaVersion":2},"datasetVersion":"2026-08-13T19:17:28.613Z"}