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PooledConnection Has Already Been Closed Exception with Hibernate 5.1.0 [SPR-16272] #20819

spring-projects-issues opened this issue Dec 6, 2017 · 1 comment
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@spring-projects-issues spring-projects-issues commented Dec 6, 2017

Ryan O'Meara opened SPR-16272 and commented

When using Spring ORM (4.3.9) and Hibernate (5.1.0) and using a Hibernate user type, on the second use of the type, I get an exception:

Caused by: java.sql.SQLException: PooledConnection has already been closed.

This appears to have been addressed previously in #15028, however the fix was implemented in org.springframework.orm.jpa.vendor.HibernateJpaDialect.HibernateConnectionHandle by checking Hibernate's SessionImpl for the prescence of a method called "connection" - this was present in Hibernate 3.x, but not in Hibernate 4.x, so it's existence was used to determine if HibernateConnectionHandle should close the connection.

However, in Hibernate 5.1.0, SessionImpl has a method called "connection" again - so HibernateConnectionHandle now does the Hibernate 3.x behavior if hibernate 5.x is being used, causing this error to re-surface

Affects: 4.3.9, 4.3.13

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@spring-projects-issues spring-projects-issues commented Dec 6, 2017

Ryan O'Meara commented

Update: After some more classpath tweaking, it has become clear that HibernateConnectionHandle is not to blame - I was debugging into the wrong class. It checks the Session interface, which is still devoid of a "connection" method - SessionImpl is the class that still has one. While I am still seeing the closed exception, I do not think it is caused by the described behavior at this time.

I do not have the ability to remove/resolve this ticket, but if someone who can sees this, I think this can be resolved as not an issue

@spring-projects-issues spring-projects-issues added type: bug status: invalid in: data labels Jan 11, 2019
@spring-projects-issues spring-projects-issues removed the type: bug label Jan 12, 2019
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