我目前正在使用Microsoft Graph API v1.0，并且一直运行良好，直到今天早上我们开始收到500个内部服务器错误。我无法弄清楚问题的根源是什么。有没有人遇到过这个错误？或者有人可以为我指出解决该问题的正确方向？
使用此GET端点https://graph.microsoft.com/v1.0/me/返回500 Internal Server Error响应。目前，我使用的唯一标头是“ Authorization = Bearer {{accessToken}}”
<!DOCTYPE html>
<html>
<head>
<title>Object reference not set to an instance of an object.</title>
<meta name="viewport" content="width=device-width" />
<style>
body {font-family:"Verdana";font-weight:normal;font-size: .7em;color:black;}
p {font-family:"Verdana";font-weight:normal;color:black;margin-top: -5px}
b {font-family:"Verdana";font-weight:bold;color:black;margin-top: -5px}
H1 { font-family:"Verdana";font-weight:normal;font-size:18pt;color:red }
H2 { font-family:"Verdana";font-weight:normal;font-size:14pt;color:maroon }
pre {font-family:"Consolas","Lucida Console",Monospace;font-size:11pt;margin:0;padding:0.5em;line-height:14pt}
.marker {font-weight: bold; color: black;text-decoration: none;}
.version {color: gray;}
.error {margin-bottom: 10px;}
.expandable { text-decoration:underline; font-weight:bold; color:navy; cursor:hand; }
@media screen and (max-width: 639px) {
pre { width: 440px; overflow: auto; white-space: pre-wrap; word-wrap: break-word; }
}
@media screen and (max-width: 479px) {
pre { width: 280px; }
}
</style>
</head>
<body bgcolor="white">
<span><H1>Server Error in '/' Application.<hr width=100% size=1 color=silver></H1>
<h2> <i>Object reference not set to an instance of an object.</i> </h2></span>
<font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif ">
<b> Description: </b>An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
<br><br>
<b> Exception Details: </b>System.NullReferenceException: Object reference not set to an instance of an object.<br><br>
<b>Source Error:</b> <br><br>
<table width=100% bgcolor="#ffffcc">
<tr>
<td>
<code>
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.</code>
</td>
</tr>
</table>
<br>
<b>Stack Trace:</b> <br><br>
<table width=100% bgcolor="#ffffcc">
<tr>
<td>
<code><pre>
[NullReferenceException: Object reference not set to an instance of an object.]
Microsoft.Online.AggregatorService.Common.Gateway.AgsIndexConfigProvider.GetConfigVersionNumber(String configType, String configId) in X:\bt\941900\repo\src\dev\Common\Gateway\AgsIndexConfigProvider.cs:64
Microsoft.Online.AggregatorService.Common.Gateway.ConfigurationProvider`1.GetConfigurationImp(String identifier, Boolean useCache) in X:\bt\941900\repo\src\dev\Common\Gateway\ConfigurationProvider.cs:418
Microsoft.Online.AggregatorService.Common.Gateway.ConfigurationProvider`1.GetConfiguration(String identifier, Boolean useCache) in X:\bt\941900\repo\src\dev\Common\Gateway\ConfigurationProvider.cs:108
Microsoft.Online.AggregatorService.Common.Gateway.GlobalContext.TryGetConfigurationItem(String identifier, TConfigItem& item) in X:\bt\941900\repo\src\dev\Common\Gateway\GlobalContext.cs:324
Microsoft.Online.AggregatorService.Common.Gateway.GlobalContext.GetAgsRootConfig() in X:\bt\941900\repo\src\dev\Common\Gateway\GlobalContext.cs:276
Microsoft.Online.AggregatorService.Common.ThrottleClient.GetThrottleEndpoint() in X:\bt\941900\repo\src\dev\Common\Throttling\ThrottleClient.cs:576
Microsoft.Online.AggregatorService.Common.ThrottleClient.Initialize() in X:\bt\941900\repo\src\dev\Common\Throttling\ThrottleClient.cs:129
Microsoft.Online.AggregatorService.WebService.Global.Application_Start(Object sender, EventArgs e) in X:\bt\941900\repo\src\dev\WebService\Global.asax.cs:128
[HttpException (0x80004005): Object reference not set to an instance of an object.]
System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +531
System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +166
System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +165
System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +368
System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +329
[HttpException (0x80004005): Object reference not set to an instance of an object.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +523
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +118
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +704
</pre></code>
</td>
</tr>
</table>
<br>
<hr width=100% size=1 color=silver>
<b>Version Information:</b> Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2623.0
</font>
</body>
</html>
<!--
[NullReferenceException]: Object reference not set to an instance of an object.
at Microsoft.Online.AggregatorService.Common.Gateway.AgsIndexConfigProvider.GetConfigVersionNumber(String configType, String configId) in X:\bt\941900\repo\src\dev\Common\Gateway\AgsIndexConfigProvider.cs:line 64
at Microsoft.Online.AggregatorService.Common.Gateway.ConfigurationProvider`1.GetConfigurationImp(String identifier, Boolean useCache) in X:\bt\941900\repo\src\dev\Common\Gateway\ConfigurationProvider.cs:line 418
at Microsoft.Online.AggregatorService.Common.Gateway.ConfigurationProvider`1.GetConfiguration(String identifier, Boolean useCache) in X:\bt\941900\repo\src\dev\Common\Gateway\ConfigurationProvider.cs:line 108
at Microsoft.Online.AggregatorService.Common.Gateway.GlobalContext.TryGetConfigurationItem[TConfigItem](String identifier, TConfigItem& item) in X:\bt\941900\repo\src\dev\Common\Gateway\GlobalContext.cs:line 324
at Microsoft.Online.AggregatorService.Common.Gateway.GlobalContext.GetAgsRootConfig() in X:\bt\941900\repo\src\dev\Common\Gateway\GlobalContext.cs:line 276
at Microsoft.Online.AggregatorService.Common.ThrottleClient.GetThrottleEndpoint() in X:\bt\941900\repo\src\dev\Common\Throttling\ThrottleClient.cs:line 576
at Microsoft.Online.AggregatorService.Common.ThrottleClient.Initialize() in X:\bt\941900\repo\src\dev\Common\Throttling\ThrottleClient.cs:line 129
at Microsoft.Online.AggregatorService.WebService.Global.Application_Start(Object sender, EventArgs e) in X:\bt\941900\repo\src\dev\WebService\Global.asax.cs:line 128
[HttpException]: Object reference not set to an instance of an object.
at System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app)
at System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers)
at System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context)
at System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context)
at System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext)
[HttpException]: Object reference not set to an instance of an object.
at System.Web.HttpRuntime.FirstRequestInit(HttpContext context)
at System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context)
at System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context)
--><!--
This error page might contain sensitive information because ASP.NET is configured to show verbose error messages using <customErrors mode="Off"/>. Consider using <customErrors mode="On"/> or <customErrors mode="RemoteOnly"/> in production environments.-->