LazyInitializationException: Unable to perform requested lazy initialization ... no session and settings disallow loading outside the Session in Hibernate

Issue

• When accessing a (@OneToMany annotated) lazy association (from an Employee entity to a list of Task entities) an exception is raised

  ... org.hibernate.LazyInitializationException: Unable to perform requested lazy initialization [support.hibernate.entity.Employee.tasks] - no session and settings disallow loading outside the Session
      at org.hibernate.bytecode.enhance.spi.interceptor.Helper.throwLazyInitializationException(Helper.java:165)
      at org.hibernate.bytecode.enhance.spi.interceptor.Helper.performWork(Helper.java:60)
      at org.hibernate.bytecode.enhance.spi.interceptor.LazyAttributeLoadingInterceptor.loadAttribute(LazyAttributeLoadingInterceptor.java:76)
      at org.hibernate.bytecode.enhance.spi.interceptor.LazyAttributeLoadingInterceptor.fetchAttribute(LazyAttributeLoadingInterceptor.java:72)
      at org.hibernate.bytecode.enhance.spi.interceptor.LazyAttributeLoadingInterceptor.intercept(LazyAttributeLoadingInterceptor.java:61)
      at org.hibernate.bytecode.enhance.spi.interceptor.LazyAttributeLoadingInterceptor.readObject(LazyAttributeLoadingInterceptor.java:296)
      at support.hibernate.entity.Employee.$$_hibernate_read_tasks(Employee.java)
      at support.hibernate.entity.Employee.getTasks(Employee.java:49)
      ...