ClementC ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16385 ( https://hibernate.atlassian.net/browse/HHH-16385?atlOrigin=eyJpIjoiZGI4MG... ) Re: QueryKey not serializable when working with @TenantId ( https://hibernate.atlassian.net/browse/HHH-16385?atlOrigin=eyJpIjoiZGI4MG... ) Some additional information: * When using EHCache as the jsr107 impl, there's no exception thrown, but the query results are not cached (see my PR comment for details) => that's probably why the bug went unnoticed so far * With other JSR107 impls, like the RI or Caffeine, the problem is obvious (and blocking) because a serialization exception is thrown Any chance this could be fixed in 6.2 ? ( https://hibernate.atlassian.net/browse/HHH-16385#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16385#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100221- sha1:57c27f3 )