maybe this can be useful to someone.
To clean up previews, you can launch:
Code:
clearpreviewcache -A <oxadmin> -P <pass> -c <context>
Maybe the problem is elsewere (see logs), that is images cannot be converted because they are too big; so you can change these values in server.properties:
Code:
com.openexchange.tools.images.transformations.maxSize com.openexchange.tools.images.transformations.maxResolution
Matteo
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