This week's book giveaways are in the Jython/Python and Object-Oriented programming forums. We're giving away four copies each of Machine Learning for Business: Using Amazon SageMaker and Jupyter and Object Design Style Guide and have the authors on-line! See this thread and this one for details.
I think that your problem is very well explained here. Have a look at it. If, after reading it, you still are not sure how to apply the advice in your specific situation, include relevant parts of the controller code in your post.
I am trying Spring MVC for the first time(in fact I am quite new to Spring also). I tried this so many times for the past one day but still getting the same issue, even after looking at the suggested link and also other google search results. I am using the Spring mvc tutorial available at: