5:04 p.m.
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.1, 3.2.2, 3.2.0.ga
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
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7:24 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Marcio Moraes commented on HHH-2442:
------------------------------------
The error stop after change JBoss-Cache configuration CacheLoaderShared to false.
Is it a Hibernate bug or JBoss cache bug?
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.1, 3.2.2, 3.2.0.ga
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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10:47 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Marcio Moraes commented on HHH-2442:
------------------------------------
I found the issue, depending how the entity was loaded (find, query, ManyToOne, etc)
CacheEntry has assembledState (Serializable[]) mounted different ... And if the get from
cache was done from another way we get a ClassCastException ...
The CacheEntry assembledState depends on the order of the select was done ...
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.1, 3.2.2, 3.2.0.ga
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
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11:09 a.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Thomas Goorden commented on HHH-2442:
-------------------------------------
We are also experiencing this bug. When loading large datasets, the cache keys start to go
flaky and we get classcastexceptions on properties of an identifier (Embedded Id) class
when retrieving values from the cache. Since the embedded key has two different types of
identifying fields (String and int), mixing those up would explain the
classcastexception.
Is there a work-around? We've switched the caching mechanism to a manual system with
our own cachekey in certain parts. This does seem to help, but it seems impossible to do
for "internal" Hibernate caching (find, query, mapping induced).
Configuration:
- WinXP
- JRE 1.5 (Sun)is
- Hibernate 3.2 (with JPA functionality enabled)
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.1, 3.2.2, 3.2.0.ga
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
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6:47 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Ken Logan commented on HHH-2442:
--------------------------------
The cause of this seems to be an unintended dependence on the sort ordering returned from
methods such as Class.getDeclaredMethods() and Class.getDeclaredFields().
The order returned by these methods are documented as being arbitrary. However, this order
controls the ordering of properties stored in PersistentClass.
I had a reproducible test scenario that was reproducing this problem 100% of the time.
After patching AnnotationBinder.java,v 1.169 so that it sorts the results of these two
methods within the addElementsOfAClass() method the problem no longer occurs.
In newer versions of hibernate-annotations, the use of the JDK methods noted above has
been moved into implementations of XClass. It appears that the problem still exists.
The fix for this is trivial, just sort the results of the two JDK methods noted above
based on something reliable, such as the method/field name.
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.0.ga, 3.2.1, 3.2.2
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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6:49 p.m.
New subject: [Hibernate-JIRA] Updated: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Ken Logan updated HHH-2442:
---------------------------
Attachment: AnnotationBinder.java
Here is a patched version of AnnotationBinder.java, v1.169 (used in version
hibernate-annotations-3.1beta8).
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.0.ga, 3.2.1, 3.2.2
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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10:40 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Emmanuel Bernard commented on HHH-2442:
---------------------------------------
Annotations order method and field names alphabetically since HAN 3.3.0 (ANN-551)
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.0.ga, 3.2.1, 3.2.2
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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10:42 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Emmanuel Bernard commented on HHH-2442:
---------------------------------------
If someone reproduces the issue with either:
- no annotations
- Hibernate Annotations >= 3.3.x
Please raise you hand.
Otherwise we could consider this bug close by lack of fighters :)
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.0.ga, 3.2.1, 3.2.2
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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10:49 p.m.
New subject: [Hibernate-JIRA] Commented: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Ken Logan commented on HHH-2442:
--------------------------------
Seems like having the XClass interface guarantee a stable sort order for
getDeclaredMethods() and getDeclaredProperties() might prevent similar bugs from being
created in the future.
However, the latest version of AnnotationBinder.java used in Hibernate Annotations >=
3.3.x seems to fix this bug.
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.0.ga, 3.2.1, 3.2.2
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Priority: Blocker
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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2:33 p.m.
New subject: [Hibernate-JIRA] Updated: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Diego Plentz updated HHH-2442:
------------------------------
Priority: Major (was: Blocker)
Assignee: Diego Plentz
Affects Version/s: (was: 3.2.0.ga)
(was: 3.2.2)
(was: 3.2.1)
3.2.6
Fix Version/s: 3.3.x
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.6
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Assignee: Diego Plentz
Fix For: 3.3.x
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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2:33 p.m.
New subject: [Hibernate-JIRA] Resolved: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Diego Plentz resolved HHH-2442.
-------------------------------
Resolution: Cannot Reproduce
As Emmanuel said, "closed by lack of fighters" :)
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.6
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Assignee: Diego Plentz
Fix For: 3.3.x
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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6:14 p.m.
New subject: [Hibernate-JIRA] Closed: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Steve Ebersole closed HHH-2442.
-------------------------------
Resolution: Cannot Reproduce
Fix Version/s: (was: 3.3.x)
3.3.0.GA
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.6
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Assignee: Diego Plentz
Fix For: 3.3.0.GA
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
--
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6:14 p.m.
New subject: [Hibernate-JIRA] Reopened: (HHH-2442) ClassCastException loading from second level cache
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442?page=c...
]
Steve Ebersole reopened HHH-2442:
---------------------------------
ClassCastException loading from second level cache
--------------------------------------------------
Key: HHH-2442
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.6
Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686
GNU/Linux
Reporter: Marcio Moraes
Assignee: Diego Plentz
Fix For: 3.3.0.GA
Attachments: AnnotationBinder.java
I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.
When hibernate get a entity from second level cache it confuses the arrays of values
against array of types.
So in some situations i got ClassCastException ...
Looking up CacheEntry code at assemble method i saw:
private static Object[] assemble(
final Serializable[] values,
final Object result,
final Serializable id,
final EntityPersister persister,
final Interceptor interceptor,
final EventSource session)
throws HibernateException {
//assembled state gets put in a new array (we read from cache by value!)
Object[] assembledProps = TypeFactory.assemble(
values,
persister.getPropertyTypes(),
session, result
);
The issue is values (Serializeble[]) is in wrong order compared with
persister.getPropertyTypes() (Type[]).
If only one cache instance is running it doesnt occurs ...
I am using Linux.
Att,
Márcio Moraes
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5985
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6523
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hibernate-issues@lists.jboss.org
12 comments
6 participants
participants (6)
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Diego Plentz (JIRA) -
Emmanuel Bernard (JIRA)
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Ken Logan (JIRA)
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Marcio Moraes (JIRA)
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Steve Ebersole (JIRA)
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Thomas Goorden (JIRA)