"@context": " ", "@type": "HowTo", "name": "How to Resolve ClassNotFoundException in Java", "description": "The java.lang.ClassNotFoundException is a checked exception in Java that occurs when the JVM tries to load a particular class but does not find it in the classpath.", "image": " -content/uploads/2021/07/how-to-resolve-classnotfoundexception-in-java-.png", "step": [ "@type": "HowToStep", "text": "Find out which JAR file contains the problematic Java class. For example, in the case of com.mysql.jdbc.driver, the JAR file that contains it is mysql-connector-java.jar.", "name": "Find the JAR file that contains the problematic Java class" , "@type": "HowToStep", "text": "Check whether this JAR is present in the application classpath. If not, the JAR should be added to the classpath in Java and the application should be recompiled.", "name": "Check if JAR is present in the application classpath" , "@type": "HowToStep", "text": "If that JAR is already present in the classpath, make sure the classpath is not overridden (e.g. by a start-up script). After finding out the exact Java classpath used by the application, the JAR file should be added to it.", "name": "Check if classpath is overridden" ]