2.0.9 on xpenology DSM 5.2-5967 update 9

[steen]

(09-04-2020 23:09)steen Wrote:  installing ok but will not launch
2.0.9 on xpenology DSM 5.2-5967 update 9

error when trying to run

failed to run the package service
minimserver start error: see system log.

clicked to view log, empty.

installed 0.8.5.3 just fine. what am i missing? java version is 1.7.0_80