Many methods of my Servlet use HTTPSession. It is thread-safety to declare HTTPSession variable as instance variable?
Many methods of my Servlet use HTTPSession. It is thread-safety to declare HTTPSession variable
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Many methods of my Servlet use HTTPSession. It is thread-safety to declare HTTPSession variable as instance variable?
By defaut Servlets are not thread safe. And moreover, a servlets instance will invoked for many clients. It is absolutely wrong to have session as instance variable.
Reference:
Is a Servlet thread-safe
Write thread safe servlets