Programming Issues

Issues

javax.servlet.ServletException: Circular view path [error]: would dispatch back to the current handler URL [/error] again.

javax.servlet.ServletException: Circular view path [error]: would dispatch back to the current handler URL [/error] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.) The spring boot exception javax.servlet.ServletException: Circular view path [error]: would dispatch back to the current

Ambiguous mapping. Cannot map ‘basicErrorController’ method

Spring boot error Ambiguous mapping. Cannot map ‘basicErrorController’ method occurs when the url ‘/error’ url is configured in the request mapping annotation of the rest controller method. By default, “/error” is mapped in the BasicErrorController class to handle errors and exceptions in the spring boot application. This error occurs when

This application has no explicit mapping for /error, so you are seeing this as a fallback. Whitelabel error page

In this post, we will see about this error “Whitelabel Error page, This application has no explicit mapping for /error, so you are seeing this as a fallback.”. You see this error, because something went wrong in the application. For some reason, Spring boot can not server the web page

Web server failed to start. Port 8080 was already in use.

The spring boot Web server failed to start. Port 8080 was already in use. error occurs because port 8080 is already configured with another application, or port 8080 has not been released yet. The spring boot application is trying to configure port 8080 to start a web server. Since the

java.lang.IllegalArgumentException: Sources must not be empty

The spring boot error java.lang.IllegalArgumentException: Sources must not be empty occurs if the source class name is not specified in the SpringApplicationBuilder. When the spring boot application starts, this error is thrown in the console. SpringApplicationBuilder creates and loads the spring boot application using the name of the source class

Main method not found in class, please define the main method as: public static void main(String[] args) or a JavaFX

The java error: main method not found in the file, please define the main method as: public static void main(string[] args) occurs if the main method not found in class or the main method is not accessible or the main method is invalid. The main method indicates the start of

required a bean of type ‘org.springframework.web.client.RestTemplate’ that could not be found.

Spring boot error required a bean of type ‘org.springframework.web.client.RestTemplate’ that could not be located. occurs when the RestTemplate is auto-wired without bean creation. The RestTemplate cannot be auto-wired without specifying the bean creation configuration. Spring boot can not find the RestTemplate as it could not be found in the loaded