org.springframework.context.ApplicationContextException: Unable to start web server

org.springframework.context.ApplicationContextException: Unable to start web server

Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
org.springframework.context.ApplicationContextException: Unable to start web server

Caused by: java.lang.IllegalStateException: Cannot load driver class: org.postgresql.Driver

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception with message: Cannot load driver class: org.postgresql.Driver

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception with message: Cannot load driver class: org.postgresql.Driver

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.web.servlet.ServletRegistrationBean]: Factory method 'h2Console' threw exception with message: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception with message: Cannot load driver class: org.postgresql.Driver

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'h2Console' defined in class path resource [org/springframework/boot/autoconfigure/h2/H2ConsoleAutoConfiguration.class]: Failed to instantiate [org.springframework.boot.web.servlet.ServletRegistrationBean]: Factory method 'h2Console' threw exception with message: Error creating bean with name 'dataSource' defined in class path resource
[org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception with message: Cannot load driver class: org.postgresql.Driver

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