The Global Variable

Load a page in Spring-Boot

In this article I’m going to explain how to load a page ( HTML file ) in spring-boot. In my previous article I explained how to create a new spring-boot project. Create an HTML file Create a controller 1.Create an HTML file The “templates” folder is the default folder that spring boot looks for HTML files. So that I’m going to create a simple HTML file called “welcomepage.html” in the templates…

Error resolving template “template name” in Spring-boot

If you have ever seen this error “Error resolving template “template name”, template might not exist or might not be accessible by any of the configured Template Resolvers ” when you were working with Spring-boot, then that means spring-boot cannot find the particular view you are asking to render. Mainly there can be 2 reasons for this. 1.Not placing the HTML file in “templates” folder. Spring…

Create a Spring-Boot Project ( web application )

In this example I’m going to explain how to create a spring-boot web application project. Since I found out there are lack of spring-boot articles on netbeans, I’m going to use netbeans for this project. There are several ways to create a spring-boot project and among them I’m going to choose spring-boot initializer  because of the simplicity of it. Requirements . If you suppose to use netbeans…

If you are getting  an “IncorrectResultSetColumnCountException” error that means, the result of your query, contains data of more than one column. Example : Query for the expected result : "Select name from my_table;" Actual query I have written : "Select * from my_table;" In this case the actual result contained data of all the columns ( in my scenario it was 5 columns ), but what I actually…

Understanding HTTP request and response using Postman app.

Have you ever thought how do we get a web page to the browser when we type the URL in the URL bar ? 🤔 It happens with the use of HTTP request and response which will be covered by this article. Since this article can be lengthy because of the number of images I have used, I have split this article in to 5 sections. Introduction to HTTP request & response Introduction to Postman Get request to…

Why WildFly server throws “jsp.error.attribute.duplicate” and “jsp.error.attribute.nowhitesapce” errors.

Recently we migrated an application from Weblogic to WildFly 10. After running the application in WildFly 10, some pages,which were loaded perfectly in Weblogic didn’t work properly  and started throwing “jsp.error.attribute.duplicate” and “jsp.error.attribute.nowhitespace” errors. When we check the jsp files again, We found out that “jsp.error.attribute.duplicate” error occurred because we had…

User: Hey GV, I want to retrieve date in “2017-07-07” format from the “CREATED_DATE” column in my MySQL table “USER_DATA”. How can I do that ? 😕

GV : Hey user!!!! 😀 You can use DATE_FORMAT( date column name, your preferred format) to retrieve date in a specific format.