Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16903 ( https://hibernate.atlassian.net/browse/HHH-16903?atlOrigin=eyJpIjoiMTE1MG... ) Re: java.lang.IllegalStateException: Illegal pop() with non-matching JdbcValuesSourceProcessingState ( https://hibernate.atlassian.net/browse/HHH-16903?atlOrigin=eyJpIjoiMTE1MG... ) Hi Prashant, I highly suspect none of this would happen if it weren’t because of concurrent and out of order operations. As mentioned, that’s not supported as a Session (or an EntityManager) are designed strictly to be used by a single thread. If you can reproduce this w/o threading or asynchronous operations we’ll look at it; otherwise, I’m sorry but I’m afraid we have to focus on other issues. ( https://hibernate.atlassian.net/browse/HHH-16903#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16903#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#100230- sha1:acc9c6f )