Time zone not being updated in the OpManager.(Updating the time.jar )

Time zone not being updated in the OpManager.(Updating the time.jar )

Issue: To fix the time zone issue in the OpManager by updating time.jar.


Reason: Time changes that happen across various regions needs an update in OpManager Java's timezone database. OpManager 12300+ builds uses java.version: 1.7.0_55 with JRE tzdata version: tzdata2013i. OpManger 12400+ builds uses java.version: 1.8.0_181 with tzdata version: tzdata2018g. 


So updating our JRE tzdata to the latest version (tzdata2020a ) will help to update latest time changes to respective timezone and helps to fix the time difference issue


Solution: 


1. Stop OpManager service.

2. Extract the attached zip under OpManager\ directory and check if OpManager/jre/bin has tzupdater.jar and tzdata-latest.tar.gz files.

3. Open CommandPrompt in Administrator Privilege and run tzupdater.jar by executing below command from \OpManager\jre\bin directory


java -jar tzupdater.jar -l "file:///<OpManagerHome>/jre/bin/tzdata-latest.tar.gz" -v


Example:


C:/ManageEngine/OpManager/jre/bin> java -jar tzupdater.jar -l "file:///C:/ManageEngine/OpManager/jre/bin/tzdata-latest.tar.gz" -v


4. Once command successfully executed "Validation complete. JRE updated to version : tzdata2020a -rearguard" message will be shown.

5. Start OpManager and Check the timezone as well as time displayed in OpManager.








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