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following How to store date/time and timestamps in UTC time zone with JPA and Hibernate I want to set my application default time zone to UTC. My app runs on tomcat on a linux server along side some other apps. The server has other tomcat instances that run even more apps.
Will Timezone.setDefault(tz) affect the other apps on the same tomcat instance?
Will it affect other apps on other tomcat instances?
Is it possible to set the timezone only for the app? I loosely remember something about security manager settings to allow this.
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The getDefault() method of TimeZone class in Java is used to know the default TimeZone for this system or host. This may vary in according to the implementation in different environment. Syntax: public static TimeZone getDefault() Parameters: The method does not take any parameters.
You can explicitly set a default time zone on the command line by using the Java system property called user. timezone . This bypasses the settings in the Windows operating system and can be a workaround.
UTC stands for Co-ordinated Universal Time. It is time standard and is commonly used across the world. All timezones are computed comparatively with UTC as offset.
By default, the JVM reads time zone information from the operating system. This information gets passed to the TimeZone class, which stores the time zone and calculates the daylight saving time. We can call the method getDefault, which will return the time zone where the program is running.
Would launching your app server with the java option -Duser.timezone=GMT do it for you?
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