[rules-users] Drools Ruleflow persistence on MySQL - invalid SQL query generated

[victorC]

Hi folks,

still desperately struggling with no success - an invalid SQL query is
issued during Drools Flow JPA persistence and I cannot find the reason for
this.

select processins0_.InstanceId as col_0_0_ from ProcessInstanceInfo
processins0_, EventTypes eventtypes1_ where
processins0_.InstanceId=eventtypes1_.InstanceId and (? in (.))

I think the problem is in the last part: "and (? in (.))" but cannot figure
what caused it.

Any ideas?

Thank you in advance,




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