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https://issues.jboss.org/browse/JBSEAM-2389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marek Novotny closed JBSEAM-2389.
---------------------------------
Fix Version/s: (was: The future)
Resolution: Out of Date
> HibernatePersistenceProvider fails with java.lang.Integer version check
> -----------------------------------------------------------------------
>
> Key: JBSEAM-2389
> URL: https://issues.jboss.org/browse/JBSEAM-2389
> Project: Seam 2
> Issue Type: Bug
> Components: Core
> Reporter: Christian Bauer
> Priority: Critical
>
> My entity had a version property:
> @Version
> @Column(name = "OBJ_VERSION", nullable = false)
> protected Integer version;
> In a very involved ajax reRender/conversation situation I sometimes got the
> following exception from HibernatePersistenceProvider:
> public static void checkVersion(Object value, Session session, Object
> oldVersion, Object version)
> {
> ClassMetadata classMetadata = getClassMetadata(value, session);
> VersionType versionType = (VersionType)
> classMetadata.getPropertyTypes()[ classMetadata.getVersionProperty() ];
> if ( !versionType.isEqual(oldVersion, version) )
> {
> throw new StaleStateException("current database version number does
> not match passivated version number");
> }
> }
> This failed because oldVersion was 'null' and version was '0'.
> Hibernate returned '0' from ClassMetaData.getVersion(), it looks like it
> can't return null, from Javadoc: Get the version number (or timestamp) from
> the object's version property (or return null if not versioned).
> We should do a null check before asking Hibernate.
> Workaround: Use primitive for version field in entity or initialize it to
> '0'.
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