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On release of batch it still contained JDBC statements logged; unable to release batch statement

Description

After updating from Wildfly 11 (Hibernate 5.1.10) to Wildfly 14.0.1 (Hibernate 5.3.6) I've started seeing the following log messages

I’m starting to see the log message

2018-10-17 20:12:47,571 INFO [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (default task-54) HHH000010: On release of batch it still contained JDBC statements
2018-10-17 20:12:47,572 ERROR [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (default task-54) HHH000352: Unable to release batch statement...
I’ve debugged where that is getting logged and all I can find is a single statement at the time.

insert into EventLog (entityId, entityType, ipAddress, message, time, user, id) values (?, ?, ?, ?, ?, ?, ?)

The only insert that is being created is actually being persisted to the database so this may be a spurious message.

From my early debugging this appears to happen when 1 entity is persisted which does not need an immediate inset (due to having a generated pk) and then in another method of the same transaction an entity is persisted that does need an immediate insert because of a auto increment pk.

I initially took this to hibernate forums (https://discourse.hibernate.org/t/on-release-of-batch-it-still-contained-jdbc-statements/1540/3) but was unable to get this to trigger with their simple test cases. Hibernate has suggested as an integration issue with wildfly. Wildfly investigated at https://issues.jboss.org/browse/WFLY-11213 and determined that a HHH issue was needed.

I have created a demo EE8 project which reproduces it.

https://github.com/codylerum/demos/tree/master/jpa-batch-release

Deploy, and browse to http://localhost:8080/demo and click execute you will see the log messages.

Environment

Java 8
Wildfly 14.0.1.Final
Hibernate 5.3.6

Status

Assignee

Chris Cranford

Reporter

Cody Lerum

Fix versions

Labels

None

backPortable

None

Suitable for new contributors

None

Requires Release Note

None

Pull Request

None

backportDecision

None

Worked in

5.1.10

Affects versions

5.3.6

Priority

Major