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Spring Boot 2.x - change session cookie max-age (JSESSIONID)
10 points
In this short article, we would like to show how to change JSESSIONID cookie max-age from Spring Boot 2.x application.properties file.
Quick solution (add a single line to your application.properties file):
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server.servlet.session.cookie.max-age=P365D4
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...Where: P365D means JSESSIONID cookie will be stored 365 days in the web browser.
Screenshot:
Example values:
P7D- 7 days,P30D- 30 days,P730D- around 2 years.
The below examples come from official Oracle docs (java.time.Duration class).
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Examples:2
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"PT20.345S" -- parses as "20.345 seconds"4
"PT15M" -- parses as "15 minutes" (where a minute is 60 seconds)5
"PT10H" -- parses as "10 hours" (where an hour is 3600 seconds)6
"P2D" -- parses as "2 days" (where a day is 24 hours or 86400 seconds)7
"P2DT3H4M" -- parses as "2 days, 3 hours and 4 minutes"8
"P-6H3M" -- parses as "-6 hours and +3 minutes"9
"-P6H3M" -- parses as "-6 hours and -3 minutes"10
"-P-6H+3M" -- parses as "+6 hours and -3 minutes"