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Values missing in ACT_HI_VARINST table

Question asked by pan_arker on Mar 26, 2015
Latest reply on Apr 7, 2015 by jbarrez

I want to remove all references to overwritten values of variables in my activiti project, but still have access to the values held when the process ended. I was hoping to do this by setting the history level to "activity", as the user guide says "At the end of the process instance, the latest values of the top level process instance variables will be copied to historic variable instances." However, the only values in the ACT_HI_VARINST table are booleans. Please can you explain how I can get the values of the other variables? (they are all strings)