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Steps to reproduce: - start some java debug session - open the Sessions view - open the custom editor for the "State" field by clicking on the ellipsis button Result: as the custom editor is opened the State field in the Sessions view shows 'null'. If there are more than one debug sessions - the State will be 'null' for every session. The issue is reproducable with any debugger view that has properties with custom editors.
Moving to tree table view, please evaluate - might be a dupl. of issue #75227, but it happens also for non-empty values, like described here.
*** This issue has been marked as a duplicate of 53750 ***