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    Expert tip

    If you're unit testing, you should instantiate only the service and mock the dependencies. If you're testing integration, you should add all the mocking to the configurations file.

Solutions on the web

via Stack Overflow by Brian Hurley
, 2 years ago
Failed to instantiate [org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter]: Circular reference involving containing bean 'securityBeansConfiguration' - consider declaring the factory method as static for independence
via Stack Overflow by user8078
, 2 years ago
Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method 'viewControllerHandlerMapping' threw exception; nested exception is java.lang.IllegalStateException: The resources may not be accessed if they are not currently st
via Stack Overflow by Simeon Leyzerzon
, 2 years ago
Failed to instantiate [java.security.KeyStore]: Factory method 'keyStore' threw exception; nested exception is java.io.IOException: Invalid keystore format
via Stack Overflow by Dims
, 1 year ago
Failed to instantiate [javax.swing.JFrame]: Factory method 'frame' threw exception; nested exception is java.awt.HeadlessException
via Stack Overflow by vamsi-vegi
, 1 year ago
Failed to instantiate [javax.management.MBeanServer]: Factory method 'mbeanServer' threw exception; nested exception is org.springframework.jmx.MBeanServerNotFoundException: Could not access WebSphere's AdminServiceFactory.getMBeanFactory/getMBeanSer
via GitHub by sjoerdmulder
, 2 years ago
Failed to instantiate [com.mongodb.Mongo]: Factory method 'mongo' threw exception; nested exception is java.lang.NoSuchMethodError: com.mongodb.MongoClientOptions.builder()Lcom/mongodb/MongoClientOptions$Builder;
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