Elmah 不会通过电子邮件发送 MVC3 中的异常,但会通过电子邮件发送页面错误、404 等
我无法弄清楚这一点。 Elmah 不会记录控制器内部发生的异常。例如,不会为此生成电子邮件:
[Authorize]
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Reply(ReplyViewModel viewModel)
{
throw new Exception("Test");
....
}
Web.config 如下所示:
configuration>
<configSections>
<sectionGroup name="elmah">
<section name="security" requirePermission="false" type="Elmah.SecuritySectionHandler, Elmah" />
<section name="errorLog" requirePermission="false" type="Elmah.ErrorLogSectionHandler, Elmah" />
<section name="errorMail" requirePermission="false" type="Elmah.ErrorMailSectionHandler, Elmah" />
<section name="errorFilter" requirePermission="false" type="Elmah.ErrorFilterSectionHandler, Elmah" />
</sectionGroup>
</configSections>
<elmah>
<!--<errorLog type="Elmah.SqlErrorLog, Elmah" connectionStringName="elmah-sql" >
</errorLog>-->
<errorMail from="[email protected]"
to="[email protected]"
subject="Error Subject Line"
async="true"
smtpPort="25"
smtpServer="ourstmpserver">
</errorMail>
</elmah>
<system.web>
<compilation debug="true" targetFramework="4.0">
<assemblies>
<add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</assemblies>
</compilation>
<authentication mode="Forms">
<forms loginUrl="~/Account/LogOn" timeout="2880" />
</authentication>
<membership>
<providers>
<clear />
<add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="/" />
</providers>
</membership>
<profile>
<providers>
<clear />
<add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />
</providers>
</profile>
<roleManager enabled="false">
<providers>
<clear />
<add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
<add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
</providers>
</roleManager>
<pages>
<namespaces>
<add namespace="System.Web.Helpers" />
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Routing" />
<add namespace="System.Web.WebPages" />
</namespaces>
</pages>
<httpModules>
<!--<add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" />-->
<add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" />
<add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" />
</httpModules>
<httpHandlers>
<add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" />
</httpHandlers>
</system.web>
<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<modules runAllManagedModulesForAllRequests="true">
<!--<add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" preCondition="managedHandler" />-->
<add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" preCondition="managedHandler" />
<add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" preCondition="managedHandler" />
</modules>
<handlers>
<add name="Elmah" path="elmah.axd" verb="POST,GET,HEAD" type="Elmah.ErrorLogPageFactory, Elmah" preCondition="integratedMode" />
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
但是,如果我导航到没有控制器/操作的 URL,我将收到来自 Elmah 的电子邮件。
什么给?当异常发生时我真的需要电子邮件......
I cannot figure this out. Elmah isn't logging exceptions that happen inside a Controller. For example, no email is generated for this:
[Authorize]
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Reply(ReplyViewModel viewModel)
{
throw new Exception("Test");
....
}
Web.config looks like this:
configuration>
<configSections>
<sectionGroup name="elmah">
<section name="security" requirePermission="false" type="Elmah.SecuritySectionHandler, Elmah" />
<section name="errorLog" requirePermission="false" type="Elmah.ErrorLogSectionHandler, Elmah" />
<section name="errorMail" requirePermission="false" type="Elmah.ErrorMailSectionHandler, Elmah" />
<section name="errorFilter" requirePermission="false" type="Elmah.ErrorFilterSectionHandler, Elmah" />
</sectionGroup>
</configSections>
<elmah>
<!--<errorLog type="Elmah.SqlErrorLog, Elmah" connectionStringName="elmah-sql" >
</errorLog>-->
<errorMail from="[email protected]"
to="[email protected]"
subject="Error Subject Line"
async="true"
smtpPort="25"
smtpServer="ourstmpserver">
</errorMail>
</elmah>
<system.web>
<compilation debug="true" targetFramework="4.0">
<assemblies>
<add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</assemblies>
</compilation>
<authentication mode="Forms">
<forms loginUrl="~/Account/LogOn" timeout="2880" />
</authentication>
<membership>
<providers>
<clear />
<add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="/" />
</providers>
</membership>
<profile>
<providers>
<clear />
<add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />
</providers>
</profile>
<roleManager enabled="false">
<providers>
<clear />
<add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
<add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
</providers>
</roleManager>
<pages>
<namespaces>
<add namespace="System.Web.Helpers" />
<add namespace="System.Web.Mvc" />
<add namespace="System.Web.Mvc.Ajax" />
<add namespace="System.Web.Mvc.Html" />
<add namespace="System.Web.Routing" />
<add namespace="System.Web.WebPages" />
</namespaces>
</pages>
<httpModules>
<!--<add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" />-->
<add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" />
<add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" />
</httpModules>
<httpHandlers>
<add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" />
</httpHandlers>
</system.web>
<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<modules runAllManagedModulesForAllRequests="true">
<!--<add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" preCondition="managedHandler" />-->
<add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" preCondition="managedHandler" />
<add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" preCondition="managedHandler" />
</modules>
<handlers>
<add name="Elmah" path="elmah.axd" verb="POST,GET,HEAD" type="Elmah.ErrorLogPageFactory, Elmah" preCondition="integratedMode" />
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
But, if I navigate to a URL for which I have no Controller/Action, I will get an email from Elmah.
What gives? I really need emails when Exceptions happen...
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尝试使用 NuGet 上提供的 Elmah.Contrib.Mvc。
我们使用这个包,并在 Global.asax 中注册它们的 HandleErrorAttribute,如下所示:
Try using Elmah.Contrib.Mvc available on NuGet.
We use this package, and register their HandleErrorAttribute in our Global.asax, like so:
我遇到了完全相同的问题,并最终通过使用源代码进行调试解决了它: 下载源代码
在我的例子中,
Thread.CurrentPrincipal
被替换为带有Identity = null
的CurrentPrincipal
,其中导致异常,因为 Elmah 正在使用CurrentPrincipal.Identity.Name
。Elmah 本身内部的所有异常都会被捕获,以防止程序因日志记录异常而崩溃,在这种情况下,原始异常也会丢失。
这只是我的例子中出现问题的一个例子,Elmah 本身引起的任何异常都会导致这种行为。因此应该使用源码来调试。另一种方法是查看跟踪,因为 Elmah 正在将任何捕获的异常写入跟踪。
I had the exact same problem, and eventually solved it by using the source for debugging: Download Source
In my case,
Thread.CurrentPrincipal
was replaced by aCurrentPrincipal
withIdentity = null
, which caused an Exception, since Elmah is usingCurrentPrincipal.Identity.Name
.All exceptions inside Elmah itself are catched to prevent your program from crashing as a result of a logging exception, in which case the original Exception is also lost.
This is just an example of what went wrong in my case, any exception caused in Elmah itself will result in this behavior. Therefore the source should be used to debug. An alternative could be to look at the Trace, since Elmah is writing any catched exceptions to the Trace.