JDK-8213629 : Release Note: Initial Value of user.timezone System Property Changed
- Type: Sub-task
- Component: core-libs
- Sub-Component: java.lang
- Affected Version: 12
- Priority: P4
- Status: Closed
- Resolution: Delivered
- Submitted: 2018-11-09
- Updated: 2019-04-05
- Resolved: 2018-11-09
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| JDK 12 |
|---|
12Resolved  |
Description
The initial value of the ```user.timezone``` system property is undefined unless set using a command line argument, for example, ```-Duser.timezone="America/New_York"```. The first time the default timezone is needed, if `user.timezone` is undefined or empty the timezone provided by the operating system is used. Previously, the initial value was the empty string. In JDK 12, `System.getProperty("user.timezone")` may return null.