我在vs2010下调试网站一切正常。
然而发布后的网站每次运行在需要访问数据库时,就抛异常Object reference not set to an instance of an object.有没有人遇到类似问题?
然而发布后的网站每次运行在需要访问数据库时,就抛异常Object reference not set to an instance of an object.有没有人遇到类似问题?
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Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionHandlingConfigurationView.GetExceptionPolicyData(String policyName) +141
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyCustomFactory.GetConfiguration(String id, IConfigurationSource configurationSource) +68
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyCustomFactory.CreateObject(IBuilderContext context, String name, IConfigurationSource configurationSource, ConfigurationReflectionCache reflectionCache) +107
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.ConfiguredObjectStrategy.BuildUp(IBuilderContext context, Type t, Object existing, String id) +176
Microsoft.Practices.ObjectBuilder.BuilderStrategy.BuildUp(IBuilderContext context, Type typeToBuild, Object existing, String idToBuild) +104
Microsoft.Practices.ObjectBuilder.SingletonStrategy.BuildUp(IBuilderContext context, Type typeToBuild, Object existing, String idToBuild) +290
Microsoft.Practices.ObjectBuilder.BuilderStrategy.BuildUp(IBuilderContext context, Type typeToBuild, Object existing, String idToBuild) +104
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.ConfigurationNameMappingStrategy.BuildUp(IBuilderContext context, Type t, Object existing, String id) +206
Microsoft.Practices.ObjectBuilder.BuilderBase`1.DoBuildUp(IReadWriteLocator locator, Type typeToBuild, String idToBuild, Object existing, PolicyList[] transientPolicies) +372
Microsoft.Practices.ObjectBuilder.BuilderBase`1.BuildUp(IReadWriteLocator locator, Type typeToBuild, String idToBuild, Object existing, PolicyList[] transientPolicies) +142
Microsoft.Practices.ObjectBuilder.BuilderBase`1.BuildUp(IReadWriteLocator locator, String idToBuild, Object existing, PolicyList[] transientPolicies) +132
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.EnterpriseLibraryFactory.BuildUp(IReadWriteLocator locator, String id, IConfigurationSource configurationSource) +359
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.LocatorNameTypeFactoryBase`1.Create(String name) +111
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) +93[ExceptionHandlingException: Object reference not set to an instance of an object.]
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) +317
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(Exception exceptionToHandle, String policyName) +193
ChengDuShiYuan.Objects.Services.DomainUtil.HandleException(Exception e, String policyName) +68
ChengDuShiYuan.Objects.Services.UserServiceBase.Find(IFilterParameterCollection parameters, String orderBy, Int32 start, Int32 pageLength, Int32& count) +325
ChengDuShiYuan.Objects.Services.UserServiceBase.Find(IFilterParameterCollection parameters, String orderBy) +69
ChengDuShiYuan.Objects.Services.UserServiceBase.Find(IFilterParameterCollection parameters) +47
ChengDuShiYuanWeb.Service.ServiceOfUser.Authenticate(String name, String password) in C:\Users\cloud\Desktop\Cloud\Projects\ExcelWeb\vs2010sol\ChengDuShiYuan\ChengDuShiYuanWeb\Code\Service\ServiceOfUser.cs:25
ChengDuShiYuanWeb.Login.btnLogin_Click(Object sender, EventArgs e) in C:\Users\cloud\Desktop\Cloud\Projects\ExcelWeb\vs2010sol\ChengDuShiYuan\ChengDuShiYuanWeb\Login.aspx.cs:54
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionHandlingConfigurationView.GetExceptionPolicyData(String policyName) +141
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyCustomFactory.GetConfiguration(String id, IConfigurationSource configurationSource) +68
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyCustomFactory.CreateObject(IBuilderContext context, String name, IConfigurationSource configurationSource, ConfigurationReflectionCache reflectionCache) +107
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.ConfiguredObjectStrategy.BuildUp(IBuilderContext context, Type t, Object existing, String id) +176
Microsoft.Practices.ObjectBuilder.BuilderStrategy.BuildUp(IBuilderContext context, Type typeToBuild, Object existing, String idToBuild) +104
Microsoft.Practices.ObjectBuilder.SingletonStrategy.BuildUp(IBuilderContext context, Type typeToBuild, Object existing, String idToBuild) +290
Microsoft.Practices.ObjectBuilder.BuilderStrategy.BuildUp(IBuilderContext context, Type typeToBuild, Object existing, String idToBuild) +104
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.ConfigurationNameMappingStrategy.BuildUp(IBuilderContext context, Type t, Object existing, String id) +206
Microsoft.Practices.ObjectBuilder.BuilderBase`1.DoBuildUp(IReadWriteLocator locator, Type typeToBuild, String idToBuild, Object existing, PolicyList[] transientPolicies) +372
Microsoft.Practices.ObjectBuilder.BuilderBase`1.BuildUp(IReadWriteLocator locator, Type typeToBuild, String idToBuild, Object existing, PolicyList[] transientPolicies) +142
Microsoft.Practices.ObjectBuilder.BuilderBase`1.BuildUp(IReadWriteLocator locator, String idToBuild, Object existing, PolicyList[] transientPolicies) +132
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.EnterpriseLibraryFactory.BuildUp(IReadWriteLocator locator, String id, IConfigurationSource configurationSource) +359
Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.LocatorNameTypeFactoryBase`1.Create(String name) +111
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) +93[ExceptionHandlingException: Object reference not set to an instance of an object.]
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) +317
Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(Exception exceptionToHandle, String policyName) +193
ChengDuShiYuan.Objects.Services.DomainUtil.HandleException(Exception e, String policyName) +68
ChengDuShiYuan.Objects.Services.UserServiceBase.Find(IFilterParameterCollection parameters, String orderBy, Int32 start, Int32 pageLength, Int32& count) +325
ChengDuShiYuan.Objects.Services.UserServiceBase.Find(IFilterParameterCollection parameters, String orderBy) +69
ChengDuShiYuan.Objects.Services.UserServiceBase.Find(IFilterParameterCollection parameters) +47
ChengDuShiYuanWeb.Service.ServiceOfUser.Authenticate(String name, String password) in C:\Users\cloud\Desktop\Cloud\Projects\ExcelWeb\vs2010sol\ChengDuShiYuan\ChengDuShiYuanWeb\Code\Service\ServiceOfUser.cs:25
ChengDuShiYuanWeb.Login.btnLogin_Click(Object sender, EventArgs e) in C:\Users\cloud\Desktop\Cloud\Projects\ExcelWeb\vs2010sol\ChengDuShiYuan\ChengDuShiYuanWeb\Login.aspx.cs:54
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563
ChengDuShiYuanWeb.Login.btnLogin_Click(Object sender, EventArgs e) in C:\Users\cloud\Desktop\Cloud\Projects\ExcelWeb\vs2010sol\ChengDuShiYuan\ChengDuShiYuanWeb\Login.aspx.cs:54
这些代码你应该认真看,应该是在登录的时候就报错了.已经具体到哪一行了,那一行读取什么数据,你检查一下