Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16986 ( https://hibernate.atlassian.net/browse/HHH-16986?atlOrigin=eyJpIjoiNGRmND... ) Re: CoercionException caused by attempted coercion of query param to entity field type ( https://hibernate.atlassian.net/browse/HHH-16986?atlOrigin=eyJpIjoiNGRmND... ) This is OK as you’ve written it, because the narrowing type conversion is explicit. But that’s not the case in the examples we’re considering. For example, Java doesn’t let you write: int i = 2.5d * 2f; And quite rightly so. Your example of ?1 * ?2 is actually the exceptional case because here both sides of the numeric operator have unknown types, so no type can be inferred. ( https://hibernate.atlassian.net/browse/HHH-16986#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16986#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#100233- sha1:f5b6255 )