java - Spring MVC - session and multi-thread -


reading spring mvc - session came across quote under sessions:

session access may not thread-safe, in particular in servlet environment. consider setting requestmappinghandleradapter's "synchronizeonsession" flag "true" if multiple requests allowed access session concurrently.

1.where can find example on how set requestmappinghandleradapter cover multi-thread?

2.how synchronizeonsession works exacly?

thanks.


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