Programming Issues

Issues

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

java.lang.IllegalArgumentException: URI is not absolute

Spring boot error java.lang. IllegalArgumentException: URI is not absolute occurs when a relative url is used to identify the resource. In the RestTemplate, the complete url will be used to invoke the rest call. If the relative url is used in the restful call, the exception java.lang. IllegalArgumentException: URI is

How to autowire RestTemplate using annotations

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