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Missing Class After Upgrade to oXygen 23.0.0.0 – ro.sync.basic.statics.StaticComponentsRegistry

Posted: Fri Aug 08, 2025 1:51 pm
by Bikash_P
Hello oXygen Support Team,
We have recently upgraded our application from oXygen SDK version 18.0.0 to 23.0.0.0.
After the upgrade, some of our unit tests fail with the following error:

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java.lang.NoClassDefFoundError: ro/sync/basic/statics/StaticComponentsRegistry 
This class was available in version 18.0.0, but it appears to be missing in 23.0.0.0.
Could you please confirm:
Has

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ro.sync.basic.statics.StaticComponentsRegistry
been removed, moved, or renamed in version 23?
If so, is there a replacement class or API we should use?
Is there a migration guide or documentation for such internal API changes between 18.0.0 and 23.0.0.0?
Any guidance or pointers to updated documentation would be greatly appreciated.
Thank you
Bikash

Re: Missing Class After Upgrade to oXygen 23.0.0.0 – ro.sync.basic.statics.StaticComponentsRegistry

Posted: Fri Aug 08, 2025 2:27 pm
by Radu
Hi,
As a side note, Oxygen 23 is in our end of life policy and is not officially supported by us, so you are moving from an end of life product to another end of life product:
https://www.oxygenxml.com/eol.html

Coming back to your question, the SDKs in more recent Oxygen versions (more recent than 18.0) should contain a JAR library named "oxygen-basic-utilities.jar" which is necessary for projects which depend on the SDK.

Regards,
Radu