Re: [jboss-as7-dev] AS7-4007 missing Infinispan dependency for clustered JPA second level cache

From: "Jason T. Greene" <jason.greene(a)redhat.com&gt; To: "David M. Lloyd" <david.lloyd(a)redhat.com&gt; Cc: "Galder Zamarreño" <galder(a)redhat.com&gt;, "Paul Ferraro" <pferraro(a)redhat.com&gt;, "Bela Ban" <bban(a)redhat.com&gt;, "infinispan -Dev List" <infinispan-dev(a)lists.jboss.org&gt;, hibernate-dev(a)lists.jboss.org, &quot;jboss-as7-dev(a)lists.jboss.org Development" <jboss-as7-dev(a)lists.jboss.org&gt; Sent: Tuesday, March 6, 2012 10:30:11 AM Subject: Re: [jboss-as7-dev] AS7-4007 missing Infinispan dependency for clustered JPA second level cache On 3/6/12 9:28 AM, David M. Lloyd wrote: > On 03/06/2012 09:21 AM, Galder Zamarreño wrote: >> This reminds me that we had a discussion about this a few months >> back: http://goo.gl/DJLhB >> >> At the time, it wasn't clear whether you can use >> ModularClassResolver in a non-module env. Seems like it's not >> possible. >> >> So, one option is to have a class resolver lookup class, or >> similar so that AS7 can pass us the right ClassResolver. >> >> There might a quicker option here though: >> - Extend VersionAwareMarshaller (http://goo.gl/bu8CF) and provide >> a variant of JBossMarshaller (http://goo.gl/o9Ro3) in Infinispan >> (this requires JBossMarshaller to be made non-final) >> - Override JBossMarshaller.inject(), call super.inject() and then >> call baseCfg.setClassResolver(…) >> - This would require that the VersionAwareMarshaller extension be >> passed the ModuleLoader that ModularClassResolver requires. >> - Configure Infinispan with this new marshaller, via >> SerializationConfiguration. Thankfully you can now pass an >> instance of the marshaller to it, so no need to do any magic >> ModuleLoader lookup from the VersionAwareMarshaller extension. >> >> Scott, other than the change in JBossMarshaller to be made >> non-final, the rest can built on AS7. Wanna have a go? Ping me on >> IRC if you need help. >> >> Cheers, >> >> p.s. Silly question, how come this issue is not present in HTTP >> session replication use case or EJB3 SFSB? > > It actually is present anywhere we're using Infinispan (I think). > It > just hasn't blown up yet anywhere public (in this case it's a 90% > effective solution versus a 100% effective solution). Session replication does setup a custom marshaller, so it does in fact work. I think the issue is just that the hibernate-infinispan, which is part of the hibernate project set, and not AS code does not do this, and it doesn't expose a way to do it.