Why do I get whitelabel error page? WhiteLabel Error Page is a generic Spring Boot error page that is displayed when no custom error page is present. A WhiteLabel Error can is disabled in the application. When the WhiteLabel Error Page is disabled and no custom error page is provided, the web server's error page (Tomcat, Jetty) is shown.
Full Answer
How to avoid the whitelabel error page?
So to avoid the Whitelabel error page, we should use @ComponentScan annotation and set the base packages in it. /* Responsible for launching the boot application. */
What is the default whitelabel page?
Default whitelabel page lets hackers know you are using spring boot. This means they only need to try the exploits for spring boot. Never show exceptions in your production servers. Exceptions are great info for hackers.
Why am I getting a white label error on my controller?
If not, follow the other advices given for correct project structure. If controller is properly registered but you still get the white label error page, it likely means one of these: You are calling your endpoint with bad url/method/content type There is an error happening on your endpoint
How do I fix the white label error page in Spring Boot?
With a little bit of CSS, we can get this page to look better and more appealing. Spring boot also provides a way to disable the Whitelabel error page altogether using server.error.whitelabel.enabled setting. When set to false, the server will show an error page specific to the servlet container (tomcat).
How do I fix WhiteLabel error page?
Whitelabel error page. This application has no explicit mapping for /error, so you are seeing this as a fallback. error can be resolved in three ways, Identify the loading issue of the controller or method, disable the error page from the browser, and customize the error page to display the appropriate error message.
How do I change the default page in spring boot?
To achieve that, we have to create an error controller bean that'll replace the default one. This way the controller can handle calls to the /error path. In the handleError(), we return the custom error page we created earlier. If we trigger a 404 error now, it's our custom page that will be displayed.
What is spring boot ErrorPageFilter?
Class ErrorPageFilter A Servlet Filter that provides an ErrorPageRegistry for non-embedded applications (i.e. deployed WAR files). It registers error pages and handles application errors by filtering requests and forwarding to the error pages instead of letting the server handle them.
What is the use of spring boot framework?
Spring Boot helps developers create applications that just run. Specifically, it lets you create standalone applications that run on their own, without relying on an external web server, by embedding a web server such as Tomcat or Netty into your app during the initialization process.
How do I fix a WhiteLabel error page in spring boot?
Another way of disabling the WhiteLabel Error is excluding the ErrorMvcAutoConfiguration . Alternatively, the exclusion can be done in an annotation. When the WhiteLabel Error Page is disabled and no custom error page is provided, the web server's error page (Tomcat, Jetty) is shown.
What is WhiteLabel error?
Whitelabel Error Page is a generic Spring Boot error page which is displayed when no custom error page is found. Set “server.error.whitelabel.enabled=false” to switch of the default error page.
What is the disadvantage of Spring Boot?
Disadvantages of Spring Boot Spring Boot creates a lot of unused dependencies, resulting in a large deployment file; The complex and time-consuming process of converting a legacy or an existing Spring project to a Spring Boot application; Not suitable for large-scale projects.
What is difference between Spring Boot and Spring framework?
In the Spring framework, you have to build configurations manually. In Spring Boot there are default configurations that allow faster bootstrapping. Spring Framework requires a number of dependencies to create a web app. Spring Boot, on the other hand, can get an application working with just one dependency.
How do I start a Spring Boot application?
How to Run Spring Boot ApplicationStep 1: Open the Spring Initializr https://start.spring.io/.Step 2: Select the Spring Boot version 2.2. ... Step 3: Provide the Group name. ... Step 4: Provide the Artifact. ... Step 5: Add the Spring Web dependency.Step 6: Click on the Generate button. ... Step 7: Extract the jar file.More items...
What are Whitelabel error pages in Spring Boot?
Depending on API client request or browser request, spring boot provides an error JSON response or a full HTML error page. For example, let’s create a simple /hello endpoint that throws an exception always.
Overriding Whitelabel Error Pages
Spring boot provides a /error mapping at a global servlet container level. This mapping handles requests and sends back JSON or HTML view as a response with error codes/messages. But the view that we saw above looks default.
Summary
To sum it up, we learned about white label error pages and how to customize them. We found out how to override the default Whitelabel with our own error.html. You can check out all these examples at our GitHub Repository.
1. Custom Error Controller
By implementing the ErrorController interface provided by the Spring Framework itself and overrides its getErrorPath () method to return a custom path to call when an error occurred:
2. Displaying Custom Error Page
Create a error.html page and put it into the src/main/resources/templates directory. Spring Boot’s BasicErrorController will automatically be picked it up by default.
3. Disabling the Whitelabel Error Page
By setting the server.error.whitelabel.enabled property to false in the application.properties file, we can disable the white label error page.