Application_BeginRequest didn't fire for few request in MVC

Question

In our API when we are writing the logs we are adding ActivityId. It is created in Application_BegingRequest but for few call it didn't write any ActivityId and it seems it did not fire Application_BeginRequest method in Global.asax.

Please find the details below :

 

Code in Global.asax:

 

protected void Application_BeginRequest(object sender, EventArgs e)

{

Trace.CorrelationManager.ActivityId = Guid.NewGuid();

}

configuration for logs:

 

<target name="logfile" xsi:type="File" fileName="./Logs/${shortDate}.log" layout="${time} | ${activityid} | ${identity} | ${callsite:className=true:includeSourcePath=true:methodName=true:includeNamespace=false} | ${level:uppercase=true} | ${message} ${exception}" />

Sceenshot of logs:

 

 

 can some please help me on this issue.