v4.0.2 upgrade doc improvement#418
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Documentation currently displays the following upgrade schema:
However, for v4.0.2 the SUPPORTED_VERSIONS_FOR_UPGRADE is the following:
thingsboard/application/src/main/java/org/thingsboard/server/service/install/DefaultDatabaseSchemaSettingsService.java at 7bcce4658debc06f840569fec9485dd5d62f0240 · thingsboard/thingsboard
In this case, when you try to upgrade v3.9.1 → v4.0.2, the error appears and upgrade fails
It’s a bug in upgrade logic, since there are a schema changes between v3.9.1 and v4.0.x, but not within v4.0.x.
As a workaround, you can upgrade v3.9.1 → v4.0.1 with running upgrade script, and then just install v4.0.2 package
However, documentation should be improved so customers will avoid this discrepancy. The current changes make the following:
Upgrade instructions schema:
Upgrading ThingsBoard to 4.0.2:
Upgrading ThingsBoard to 4.1 (so customers can avoid v4.0.2 if they plan upgrade to the latest):
