March 2009 - jboss-user - Jboss List Archives

[Clustering/JBoss] - Re: JBoss is Clustered Mode, Network issues, strange respons

by bstansberry＠jboss.com

When you cause the the transaction to restart on a second node, that doesn't terminate the original transaction. It either has to commit or time out before any locks it is holding will be released. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218752#4218752 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218752

17 years, 3 months

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[Clustering/JBoss] - Re: Cluster setup

by bstansberry＠jboss.com

Please post your full JBoss Cache config file. Are these caches writing to a single shared database? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218747#4218747 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218747

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: is it possible for MVCCInvocationContext to have null mv

by dukehoops

I am unsure what "inconsistency" means as relating to whether the software works as designed, but IMO this is a bug in the hib-jbc2 integration layer. Please note that if cache.evict() were used instead of removeNode() same problem would arise. Note that the workaround involved not only using READ_COMMITTED in jbc config but also ensuring that Datasource being enlisted as XA Resource was configured to READ_COMMITTED as well. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218746#4218746 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218746

17 years, 3 months

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[Clustering/JBoss] - Re: Session Replication - Cluster- Getting ERROR [JBossCache

by bstansberry＠jboss.com

1) What JBoss version? 2) Please post the full stack trace. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218745#4218745 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218745

17 years, 3 months

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[Installation, Configuration & DEPLOYMENT] - Re: how to configure jaas with jboss 5.0.1

by Wolfgang Knauf

Is there any chance that your app contains hibernate libraries, which conflict with the ones of JBoss? This is suspicious: java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence cannot be cast to javax.persistence.spi.PersistenceProvider | ... | controller.usuariosC.<init>(usuariosC.java:29) | ... This cast should be possible, if the classloader is the same. What is "controller.usuariosC", and what does it look like? Wolfgang View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218738#4218738 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218738

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: is it possible for MVCCInvocationContext to have null mv

by bstansberry＠jboss.com

Good; thanks for thinking hard about this. :-) Something about not executing the remove seemed wrong; it was that inconsistency versus the modification. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218737#4218737 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218737

17 years, 3 months

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[Clustering/JBoss] - Re: Session Replication - Cluster- Getting ERROR [JBossCache

by nagmca

"nagmca" wrote : Hi, | | I am trying to achieve the 2 Node clustering with L4 switch in front of them. Multicasting is not enabled so have to use TCP. For that, modified cluster-service.xml and jboss-service.xml (under jboss-web-cluster/META-INF). | | Sticky sessions are enabled in L4 Switch. The following scenario is giving me an error w.r.t session replication | | 1. User logs into the application .. could see log in Node 1 shows user activitiy. Log from L4 shows user is hitting Node1 | 2. Node 1 goes down after a min or so. Node 2 detects that event. | 3. Now if the user clicks any link on the application, I am seeing the following error in Node 2 console. | | ERROR [JBossCacheService] loadSession() ZMq2dHkNhU4F75TqFEcSbw**exception occurred during serialization: com.xxx.xx.xxxx.xxxx: An unexpected exception occurred while performing encryption/decryption. | | User gets a page saying session is timed out and re-enter the credentials. | | Any pointers are greatly helpful. | | Regards | Nagesh G View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218736#4218736 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218736

17 years, 3 months

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[JBoss Tools (users)] - Re: Bug in JB tools 3 CR2 with portlets?

by OChikvina

May be a document you refer to is a bit out of date. Try out this one http://docs.jboss.org/tools/3.0.0.CR2/en/jboss_portal_tools_ref_guide/htm... Does the problem still persist? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218735#4218735 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218735

17 years, 3 months

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[Clustering/JBoss] - Session Replication - Cluster- Getting ERROR [JBossCacheServ

by nagmca

Hi, I am trying to achieve the 2 Node clustering with L4 switch in front of them. Multicasting is not enabled so have to use TCP. For that, modified cluster-service.xml and jboss-service.xml (under jboss-web-cluster/META-INF). Sticky sessions are enabled in L4 Switch. The following scenario is giving me an error w.r.t session replication 1. User logs into the application .. could see log in Node 1 shows user activitiy. Log from L4 shows user is hitting Node1 2. Node 1 goes down after a min or so. Node 2 detects that event. 3. Now if the user clicks any link on the application, I am seeing the following error in Node 2 console. ERROR [JBossCacheService] loadSession() ZMq2dHkNhU4F75TqFEcSbw**exception occurred during serialization: com.xxx.xx.xxxx.xxxx: An unexpected exception occurred while performing encryption/decryption. Any pointers are greatly helpful. Regards Nagesh G View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218734#4218734 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218734

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: is it possible for MVCCInvocationContext to have null mv

by manik.surtani＠jboss.com

"bstansberry(a)jboss.com" wrote : You only modify data that you read? What if I just call removeNode() with no preceding get()? | Then the read happens at the time of the removeNode(). I.e., the node to be removed is read from the data structure, then marked as removed and finally removed when the tx completes. "bstansberry(a)jboss.com" wrote : Well, anyway, that makes it clear that MVCC + R_R is not usable for Hibernate Second Level Caching, at least not without a major rewrite of the integration layer. Actually, this should actually be viewed as a bug/inconsistency in the way write skews are currently handled, since: 1. A write skew involving modifying data will overwrite any intermediate data and the last commit wins. 2. In the case of a removeNode(), a write preceeding the remove will win. To be consistent, with the same "last tx wins" approach to dealing with write skews, if write skew checking is disabled a removeNode() should remove *any* node present under the given Fqn, not necessarily the node read earlier in the same tx. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218732#4218732 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4218732

17 years, 3 months

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jboss-user March 2009