dspace 6.3 and JDK 11

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Jose Blanco

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Oct 19, 2022, 11:15:40 AM10/19/22

to DSpace Technical Support

According to the documentation we should be using JDK 7 or 8 for
dspace 6.3. Last night we updated to JDK 11. I noticed this morning
this warning from some of the cron jobs:

WARNING: An illegal reflective access operation has occurred

I'm wondering if it is still not recommended to use JDK 11 with dspace
6.3? As far as the webapp, I don't see any issues so far.

Thank you!
-Jose

Tim Donohue

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Oct 19, 2022, 1:34:28 PM10/19/22

to DSpace Technical Support

Hi Jose,

The simple answer is that DSpace 6.x has not been thoroughly tested with JDK 11, so we can only recommend JDK 7 or 8 at this time.

There is a note about that in the DSpace 6.x installation guide here: https://wiki.lyrasis.org/display/DSDOC6x/Installing+DSpace#InstallingDSpace-JavaJDK7or8(OpenJDKorOracleJDK)