Which statement is true about web container session management?
A method call inside your servlet has thrown an IOException resulting from a lost network connection to a necessary resource. The servlet has determined that it will be unable to operate successfully fen few minutes, but expects to be able to resume operation after that period. How should this situation handled?
During initialization, a servlet finds that the database connection it requires is unavailable. As the system designer, you know that the database start up completes several minutes after the web- container initializes the servlet. How should this be handled?
A servlet wishes to indicate that it is unable to initialize at the present time, but that the initialization might succeed at some future time. Which is true?
You are implementing a model component. You realize that an IOException might arise if you lose connection to the database. How should you address this?
Which is a valid value for the enum EmptyRoleSemantic in Javax.servlet.annotation.ServletSecurity?
