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Details

Type: Bug
Resolution: Won't Do
Priority: Major
Fix Version/s: None
Affects Version/s: 11.0.0.Final, 12.0.0.Final
Component/s: None
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Steps to Reproduce:
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When undeploying this project SessionFactoryImpl remains in the memory.

It seems that problem is dependent on the several factors

Module includes custom Hibernate Envers revision entity

Module includes entity with embedded id

Hibernate metamodule generator hibernate-jpamodelgen is included in the classpath
If any of the above is false, leak doesn't occur.
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When undeploying this project SessionFactoryImpl remains in the memory. It seems that problem is dependent on the several factors Module includes custom Hibernate Envers revision entity Module includes entity with embedded id Hibernate metamodule generator hibernate-jpamodelgen is included in the classpath If any of the above is false, leak doesn't occur.

Description

In some cases it seems that removing deployment from the Wildfly, doesn't free up org.hibernate.internal.SessionFactoryImpl- instance related to the deployment. (plus some other Hibernate related classes). This can be seen by taking memory dump with VisualVM and looking up SessionFactoryImpl instances.

This leads to cumulative memory leak in cases, where application is repeatedly deployed/undeployed (or updated).

updated: Seems to occur on 12.0.0.Final also

Memory dumps can be found at https://drive.google.com/drive/folders/1WbHB6hRpr_lrc4yb4yxWLpeObmJlNCzD (wildfly-leak-1 is after first deployment, wildfly-leak-2 after few re-deploys)

server.log https://drive.google.com/file/d/1I32OTnPWeopVEtRC3ol-pjkH2dlkLizD/view?usp=sharing

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Assignee:: Scott Marlow

Reporter:: Joni Syri (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 2018/02/19 5:24 AM

Updated:: 2021/10/24 5:21 AM

Resolved:: 2018/06/01 11:04 AM