Java uses HttpSessionListener and filter in jetty9

• Java

Java uses HttpSessionListener and filter in jetty9

HttpSessionListener

Called when a session is created or destroyed

Example code:

Registration method:

Note: if session is not used in the whole request, it will not be generated and listener will not be called

Filter

Called when the client requests data

Example code:

Registration method:

Note: if the requested path is wrong, the filter will not be triggered

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