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java.lang.ClassNotFoundException: org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata is an error message indicating that the specified class, ConfigurationBeanFactoryMetadata, could not be found. This error usually occurs when the application is unable to locate the required class at runtime. There can be multiple reasons for this error. One of the main reasons is that the required library…

JUnit is a popular unit testing framework for Java applications. When testing database interactions, developers often use mock objects to simulate the behavior of a database. In the case of NamedParameterJdbcTemplate, the query method can be used to execute a SQL query and return the results in a ResultSet. To…

"React useEffect not working on page refresh" is a common issue that occurs when working with React, a JavaScript library for building user interfaces. The useEffect hook is a built-in React hook that allows you to synchronize a component with an external system, such as a backend API or browser…

In order to save form data to a text file using HTML and JavaScript, you can use the FileSystem or Blob objects in JavaScript, along with the FormData object to gather the data from the form. First, you will need to create an HTML form with the necessary input fields.…

Deleting a selected file from multiple input file using a button click can be done through a combination of HTML, CSS, and JavaScript. In HTML, you would create a form element to allow the user to select multiple files. Within the form, you would also include a button element which…

In React, the forwardRef is a higher-order component (HOC) that allows developers to forward a reference to a child component. This reference can be used to access the child component's DOM node, which can be useful for certain scenarios such as triggering focus or measurement. The error message "react forwardref…

The "uncaught typeerror" that you're encountering when creating a dropdown button in Bootstrap 5 likely indicates that there is an issue with the JavaScript code that you are using to create the dropdown button. This error message is usually displayed when there is a problem with the syntax or logic…

"org.springframework.web.reactive.function.UnsupportedMediaTypeException: Content type 'text/html;charset=ISO-8859-1' not supported for bodyType" is an error message encountered when working with the Spring Framework, particularly when working with Spring's WebFlux module for building reactive web applications. This error message generally indicates that the request sent to the application's server is using a media type (in…

The "AssertionError: Group argument must be None for now" error is typically encountered when using the pandas library in Python and indicates that the group argument of a function or method was not set to None. This error usually occurs when the function or method being called does not support…

The "unknown error session deleted because of page crash from unknown error cannot determine loading status from tab crashed" error message is usually caused when there is an issue with the ChromeDriver instance that is being used in the Selenium script. Some possible causes for this error include: An outdated…