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How to solve java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

The java.lang.ClassNotFoundException: com.mysql.jdbc.Driver exception occurs if the MySQL JDBC driver class can not found in the java class path. The Class.forName() fails to loads the mysql driver class that is not available in the class path. If the MySQL JDBC driver jar is not available, or if the jar is

java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/testdb

The java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/testdb exception occurs if the suitable driver is not found to connect mysql database from java application. The MySQL JDBC driver is not loaded in java either because the driver jar is not available in the class path, or because it is not

Loading class `com.mysql.jdbc.Driver’. This is deprecated. The new driver class

The Java exception Loading class com.mysql.jdbc.Driver'. This is deprecated. The new driver class iscom.mysql.cj.jdbc.Driver’. occurs because the deprecated mysql driver class is configured or used in the mysql database connection. This exception will be shown in framework such as spring, spring boot, hibernate etc. The MySQL JDBC driver class is

Java Thread Synchronization not working – Troubleshoot

The java thread synchronization is not working properly when the synchronized keyword is used to synchronize multiple threads to access a common resource. If the thread lock object is not correctly attached to the thread, the java thread synchronization will not work as expected. Synchronization is a mechanism that won’t

Java Synchronized Method not working – Troubleshoot

The java synchronized method is not working as expected when a java method is synchronized using the synchronized keyword to synchronize multiple threads to access the java method. If the java method lock is not correctly attached to the thread, the java method synchronization will not work as expected. Java

Synchronized Block not working in Java – Troubleshoot

The java synchronized block is not working properly when the Java code block is synchronized using the synchronized keyword to synchronize multiple threads to access the Java code block. If the java synchronized block lock is not properly attached to the thread, the java synchronized block will not work as

No enclosing instance of type is accessible. Must qualify the

The java exception No enclosing instance of type is accessible. Must qualify the allocation with an enclosing instance of type (e.g. x.new A() where x is an instance of ). happens when an instance is created for an inner class in the outer class static method. The static method attempts

Local variable name defined in an enclosing scope must be

The Java exception Local variable name defined in an enclosing scope must be final or effectively final occurs where the local variable used in the lamda expression is not a final or effectively final variable. In the lamda expression, the local variable can only be used if the variable is