I agree. This sounds like the component being serialized as part of its inclusion in the CacheKey rather than the component being "disassembled".
On Fri 08 Jun 2012 08:18:52 AM CDT, Scott Marlow wrote: > I'll be interested to hear which software versions are in use (I just > asked in the below forum link). > > On 06/08/2012 08:01 AM, Galder Zamarreño wrote: >> >> On Jun 8, 2012, at 12:35 PM, Galder Zamarreño wrote: >> >>> >>> On Jun 8, 2012, at 12:26 PM, Galder Zamarreño wrote: >>> >>>> Hi all, >>>> >>>> Re: https://community.jboss.org/message/739399#739399 >>>> >>>> This guy's using a combo of @EmbeddedId and @Embeddable in the tests his >>>> provided, and this is resulting in cache key serialized payloads differing >>>> for identical instances. Even in between runs, the last bit of the payload >>>> varies. This obviously results in keys not being found in the cache. >> >> The problem seems to come from here: >> >> CacheKey -> org.hibernate.type.TypeFactory$TypeScopeImpl -> >> SessionFactoryImpl -> uuid >> >> So, each CacheKey is this case contains the UUID of the session factory, and >> since each node's session factories are different, the UUIDs will be too, >> which results in different payloads for the same key. >> >> This would appear to be a bug in the Hibernate side? 2LC providers do >> nothing about CacheKey, they just know that an object needs to be serialized. >> >> Btw, that a simple key like the one in the example provided generates 3KB of >> byte[] sounds pretty excessive... >> >>>> >>>> Apart from this issue which I'm currently investigating, I've spotted that >>>> when the CacheKey is marshalled, it also marshalls the entity as part of >>>> the key. That sounds rather inefficient, so is this guy: >>> >>> ^ I think this statement is wrong, bear with me while I confirm. >> >> ^ I was wrong with this. >> >>> >>>> >>>> a) using the right pattenr for @EmbeddedId + @Embeddable >>>> b) is Hibernate behaving the right way here by having a reference to the >>>> entity from cache key >>>> >>>> Cheers, >>>> -- >>>> Galder Zamarreño >>>> Sr. Software Engineer >>>> Infinispan, JBoss Cache >>>> _______________________________________________ >>>> hibernate-dev mailing list >>>> hibernate-dev@lists.jboss.org >>>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >>> >>> -- >>> Galder Zamarreño >>> Sr. Software Engineer >>> Infinispan, JBoss Cache >>> >>> >>> _______________________________________________ >>> hibernate-dev mailing list >>> hibernate-dev@lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >> >> -- >> Galder Zamarreño >> Sr. Software Engineer >> Infinispan, JBoss Cache >> >> >> _______________________________________________ >> hibernate-dev mailing list >> hibernate-dev@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/hibernate-dev > > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev -- st...@hibernate.org http://hibernate.org _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
