ClassNotFoundException with com.mysql.cj.jdbc.Driver, MySQL Connector and IntelliJ IDEA [duplicate]

Try upgrading your driver. Coz Mysql community has updated class name from com.mysql.jdbc.Driver to com.mysql.cj.jdbc.Driver Check out more on MySql Community <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.11</version> Or Download jar file direct from here : mysql-connector-java-8.0.11.jar List of MySql jar file

KeyCloak Server Caused by: java.lang.ClassNotFoundException: java.security.acl.Group

After some research I found the answer to my problem. The problem is that java.security.acl.Group is being deprecated since JRE 9 and marked for removal in future versions. java.security.acl.Group is being replaced by java.security.Policy I was running my Spring-Boot application on JRE 14 in which this class appeared to be no longer available. So once … Read more

ClassNotFoundException DispatcherServlet when launching Tomcat (Maven dependencies not copied to wtpwebapps)

Take a look at “Deployment Assembly” section under project properties. The content of this page specify how your project is to be assembled into a running application. In particular, this is the place where you can control which of the libraries that your project references, should be packaged with it. Select Add -> Java Build … Read more

Error executing testng.xml through CLI : Could not find or load main class org.testng.TestNG

The simplest way to execute your testng.xml is as follows : Get your Project Location from your IDE i.e. Eclipse, through Windows Explorer go to the Project Location and create a directory lib . Dump all the libraries (Selenium jars, TestNG) in the lib directory. From Project Directory, through CLI provide the following classpath: C:\Users\keating99\workspace\FdimTests>set … Read more

java.lang.ClassNotFoundException: org.postgresql.Driver, Android

You need to add the PostgreSQL JDBC Driver in your project as mentioned in search.maven.org. Gradle: implementation ‘org.postgresql:postgresql:42.2.10’ Maven: <dependency> <groupId>org.postgresql</groupId> <artifactId>postgresql</artifactId> <version>42.2.10</version> </dependency> You can also download the JAR and import to your project manually. NOTE: Compile as used in this answer is deprecated. Replace with implementation as per 3.