Matthew Kosem ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=63ea554... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNDUzNDYxZDY3... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16178?atlOrigin=eyJpIjoiNDUzND... ) HHH-16178 ( https://hibernate.atlassian.net/browse/HHH-16178?atlOrigin=eyJpIjoiNDUzND... ) "could not advance using next()" occurs when streaming scrollable results with non-nullable/non-updatable children ( https://hibernate.atlassian.net/browse/HHH-16178?atlOrigin=eyJpIjoiNDUzND... ) Issue Type: Bug Affects Versions: 5.6.15 Assignee: Unassigned Attachments: test.zip Components: hibernate-core Created: 13/Feb/2023 07:31 AM Environment: Hibernate 5.6.x + JDK 11 and 17 Priority: Major Reporter: Matthew Kosem ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=63ea554... ) When upgrading from Hibernate 5.4.x to 5.6.x, our ability to stream resources with certain relationship scenarios stopped working. The attached minimal test case recreates the scenario. The exception is: Exception in thread "main" org.hibernate.exception.GenericJDBCException: could not advance using next() at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99) at org.hibernate.internal.ScrollableResultsImpl.convert(ScrollableResultsImpl.java:71) at org.hibernate.internal.ScrollableResultsImpl.next(ScrollableResultsImpl.java:106) at org.hibernate.query.internal.ScrollableResultsIterator.hasNext(ScrollableResultsIterator.java:33) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:132) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at org.hibernate.query.spi.StreamDecorator.forEach(StreamDecorator.java:153) at tst.oth.Test.main(Test.java:19) Caused by: java.sql.SQLException: invalid cursor state: identified cursor is not open at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source) at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source) at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source) at org.hsqldb.jdbc.JDBCResultSet.checkClosed(Unknown Source) at org.hsqldb.jdbc.JDBCResultSet.next(Unknown Source) at org.hibernate.internal.ScrollableResultsImpl.next(ScrollableResultsImpl.java:101) ... 6 more Caused by: org.hsqldb.HsqlException: invalid cursor state: identified cursor is not open at org.hsqldb.error.Error.error(Unknown Source) at org.hsqldb.error.Error.error(Unknown Source) ... 10 more ( https://hibernate.atlassian.net/browse/HHH-16178#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16178#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#100215- sha1:b88b0a4 )