执行WCF时遇System.ValueTuple程序集加载错误,求解决方案
WCF执行错误排查求助
执行WCF时出现以下错误:
Exception through WCF, endpoint WCFEndpoint, while executing file or assembly System.ValueTuple or one of its dependencies ERROR dial.Campaign.1.WCFEndpoint - [s13575s] [#188]: Exception through WCF, endpoint WCFEndpoint, while executing 'Dial(Tag=s13575s#client;To=5001;DetectionTypes=Nothing;DetectionTimeout=00:00:40;GreetingMsg=;SipHeaders(count)=0)': System.TypeInitializationException: The type initializer for threw an exception. ---> System.IO.FileLoadException: Could not load file or assembly 'System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) at Microsoft.Extensions.Logging.LoggerFactory.RefreshFilters(LoggerFilterOptions filterOptions) at Microsoft.Extensions.Logging.LoggerFactory..ctor(IEnumerable`1 providers) at DotNetty.Common.Internal.Logging.InternalLoggerFactory.NewDefaultFactory(String name) at DotNetty.Common.Internal.Logging.InternalLoggerFactory.get_DefaultFactory() at ..cctor() --- End of inner exception stack trace --- Server stack trace: at WcfExtensions.ExceptionMarshallingMessageInspector.System.ServiceModel.Dispatcher.IClientMessageInspector.AfterReceiveReply(Message& reply, Object correlationState) at System.ServiceModel.Dispatcher.ImmutableClientRuntime.AfterReceiveReply(ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at WCF.IFlexSipDialerContract.PlaceCall(String callTag, String groupTag, ILineAddress from, ILineAddress to, DetectionTypes detectionTypes, TimeSpan timeout, String greetingMsgName, Dictionary`2 sipHeaders) at FS.WCFEndpoint.<>c__DisplayClass11_0.<Dial>b__1(IFlexSipDialerContractEx service) at FS.WCFEndpoint._PerformUsingChannel[TRes](Func`2 method, String methodDescription)
已添加以下DLL绑定重定向配置,且增加了超时时间,但错误仍未消除,求其他解决办法:
<dependentAssembly> <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" /> </dependentAssembly>
可行的解决方向
- 检查实际存在的System.ValueTuple版本:确认部署目录下的System.ValueTuple.dll版本是否为4.0.3.0。若实际版本不同,调整绑定重定向的
newVersion值匹配实际版本,或替换为正确版本的DLL。 - 确认绑定重定向配置位置:确保配置放在WCF客户端/服务端的
app.config/web.config的<runtime>节点下,位置错误会导致重定向不生效。 - 排查依赖项加载细节:用
Fuslogvw.exe(Assembly Binding Log Viewer)开启绑定日志,查看具体是哪个依赖项加载异常,针对性解决。 - 更新相关NuGet包:若项目用NuGet管理依赖,更新Microsoft.Extensions.Logging、DotNetty相关包到兼容版本,这些组件可能对System.ValueTuple有特定版本要求。
- 检查GAC中的冲突版本:用
gacutil /l System.ValueTuple查看全局程序集缓存中的版本,若存在冲突版本,考虑移除或调整绑定优先级。 - 修复项目引用:重新引用System.ValueTuple NuGet包,确保引用版本与绑定重定向一致,避免编译时引用错误版本。
- 同步服务端配置:若为客户端调用服务端报错,确认服务端配置中也添加了对应绑定重定向,服务端可能同样存在版本不匹配问题。
内容的提问来源于stack exchange,提问作者Dima TheBear
相关产品推荐
相关产品推荐

