ServletActionContext.getRequest() returns NULL

I am working on a mixed situation where i am using Servlets & Struts2.

I am calling a HTTPServlet and where i am processing on data.

Then I need to make a call to struts API to insert data in DB.

In that i am using HTTPSession also.

So I am calling

ServletActionContext.getRequest()

To get HttpRequest and then session in that struts action class.

Struts Action class is getting called by Servlet.

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ServletActionContext.getRequest()

always returns NULL.

Is it because that it is not getting called by web.

First, ServletActionContext and ActionContext both use a ThreadLocal to store per-request objects (such as the request and response). This is handled by Struts2. If you attempt to call those from a Servlet, they'll return null, since the request was routed to your servlet, not to Struts2 (and thus Struts2 did not create an action context for the request).

With that said, Struts2 is a higher level abstraction over the Servlet API. The fact that you are invoking a Struts2 action from within a servlet sounds really wrong.

If you need to perform some common process in both a servlet and an action, then create a separate class to handle the process (i.e., inserting data in a database) and then call that class from both your servlet and your action.

If that isn't what you're trying to do, then please provide more details, along with an example of your servlet and action code.