While working with hibernate this error can be faced. This is because absence of ‘javaassist.jar’ in your classpath. Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]Exception in thread "main" java.lang.NullPointerExceptionat driver.Driver.main(Driver.java:39) What is JavaAssist? Javassist (Java programming assistant) is a load-time reflective system for Java. It is a class library for editing bytecodes in Java; it enables […]![]()
↧