Issue: 3129

I want to save data that is got from a java server in express session

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My web page get data from a java server,i want to save my common data of menus in express-session after i login successfully.
I wrote a asyncData method in the next page like this
but it didn’t work, the req always was null.
Whether the problem happened because of my web page got data from a java server?It made me can’t get req

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