How can I share a variable or object between two or more Servlets?

Question

I would like to know if there is some way to share a variable or an object between two or more Servlets, I mean some \"standard\" way. I suppose that this is not a good prac

Answer 1

Here's how I do this with Jetty.

https://stackoverflow.com/a/46968645/1287091

Uses the server context, where a singleton is written to during startup of an embedded Jetty server and shared among all webapps for the life of the server. Can also be used to share objects/data between webapps assuming there is only one writer to the context - otherwise you need to be mindful of concurrency.