Do i need MySQL persistence, if plan using JDBC MariaDB?

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Do i need MySQL persistence, if plan using JDBC MariaDB?

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You can use either the MySQL or JDBC persistence service to store and query MariaDB.

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After start i received many:

15:59:38.532 [WARN ] [nce.extensions.PersistenceExtensions] - There is no queryable persistence service registered with the id 'jdbc'

But later there is no more warnings about no queryable persistence service.

Is that warning tells that jdbc percictense works?

16:03:00.051 [WARN ] [jdbc.internal.JdbcPersistenceService] - JDBC::store: ignore Item 'ESP_Baxi_WTempIn' because it is UnDefType
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I am not sure if mariadb persistence works as designed - i run it on centos7 with mariadb but was only able to see objects created correctly in the mariadb after choosing mysql persistence.
if mariadb persistence was chosen i would see it connecting in the log messages, jdbc seemed to get there, but no objects were made. i tried to configure it same was as mysql would be, so, may be something else was supposed to be done for configuration, but i did not find what exactly.

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Jdbc mariadb works for me.
Try this post [JDBC-Persistence] heave from OH1 to OH2/ESH, choosing a namespace