February 2008 - jboss-user - Jboss List Archives

[JBoss Seam] - Re: Problems loading EntityManager in

by pete.muir＠jboss.org

No, using @BypassInterceptors doesn't stop the contexts getting setup, just avoids the interceptors (really means that you can't use bijection, security and other annotation based services). We should probably document better what this means - please open a jira. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128536#4128536 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128536

18 years, 2 months

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[JBoss Messaging] - Messaging Cluster scenarios

by kapilanand

I have two questions regarding the messaging cluster. I could not find the answer in the documentation. This is what I need to achieve: Jboss messaging cluster to provide seamless fail-over for the publishing and subscribing clients. Persistence and durable subscription are not needed. In other words, an unreliable but highly available replicated topic. 1. HA and load-balance without persistence Messaging doc says that a shared DB is required for the cluster to work. Before that it states that the post-office will not work without a DS. I am aware that embedded DB may be configured to avoid persistence until a threshold of memory usage is hit. My question related to this: - Would I need the shared DB even if I use these clustered post-offices to host non-persistent (non-durable) subscriptions, that is, is it used to manage the cluster information as well? - Is it OK to use HSQLDB or Derby if the above is not true? 2. Recovery from a cluster restart Since Jboss messaging relies on a clustered ConnectionFactory registered in a clustered JNDI to provide the failover mechanism, would the client need to re-lookup JNDI and reopen connections and sessions to get back in business? This seems unnecessary since all participating post-offices seem to be bound to a pre-defined host and port, but then I am not sure how it is different from a clustered Stateless session bean. thanks kapil View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128535#4128535 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128535

18 years, 2 months

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[Beginners Corner] - Trying to see a web app on a network-connected jboss server

by jsmetz

I have set up jboss app servers on two, LAN-connected, windows XP pro pcs. I have also developed a simple web app for testing purposes, and deployed it to the jboss servers on both machines. I can view the app via localhost URL on each machine separately, but when I sit at one machine and try to view the app on the other machine using its computer name or IP address (with or without the :8080 port) I get an "unable to connect" error in Firefox. The jboss directory structure is the same on both machines, and file sharing is enabled across the network. There has to be a simple solution to this problem, but I can't see it. The hardware geeks tell me there is no network security issue, and this test works when using two tomcat servers. Can anybody out there help? Thanks. jsmetz - webapp newbie developer View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128534#4128534 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128534

18 years, 2 months

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[JBoss Seam] - Re: setParameter() and setPageParameter()

by pete.muir＠jboss.org

setParameter sets a request parameter for the mock request, setPageParameter sets a page parameter (i.e. one that already exists). Use setParameter unless you have a reason not to. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128533#4128533 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128533

18 years, 2 months

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[JBoss Seam] - Re: Seam 2.0.0.GA is out

by pete.muir＠jboss.org

We are dropping this forum very soon now - watch this space! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128532#4128532 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128532

18 years, 2 months

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[EJB 3.0] - How to do a Table lock with EJB3

by sappenin

In an EJB3 SLSB, how do I lock a database table so I can do a read, then a write in the same unit of work without having another calling thread do work in between? Please note that EntityManager.lock(...) will not work here because I need to lock the table BEFORE I create an entity. Here's the logic I'm looking for: 1.) Lock the Database Table. 2.) Read from the table to see if an object exists that meets my query requirements (the query use pk and non-pk data). 3a.) If no data exists (that meets the requirements in #2), then create a new entry in the DB, and return this entry to the caller. OR 3b.) If data *does* exists that matches the criteria set forth in #2 above, then return null to the caller. The caller will retry later in an attempt to get his object. 4.) Release the table lock -- How do I do this with the EJB3 entityManager? I've annotated my SLSB function with @TransactionAttribute(TransactionAttributeType.REQUIRES_NEW), but this doesn't prevent 2 callers from receiving "false" in #2 above, and hitting #3 at the same, thus returning a different object to both callers. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128531#4128531 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128531

18 years, 2 months

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[JBoss Seam] - Re: pages.xml & param

by pete.muir＠jboss.org

Please use 1.2.1. 1) Yes, if you use faces naviagation 2) no. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128530#4128530 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128530

18 years, 2 months

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[JBoss Seam] - Re: Need help to understand who to use the PAGE context

by pete.muir＠jboss.org

Go for it! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128529#4128529 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128529

18 years, 2 months

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[JBoss Seam] - Re: URGENT: question on seam filter in web.xml

by pete.muir＠jboss.org

Do you have jsf-facelets.jar in your WEB-INF/lib and only in your WEB-INF/lib? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128528#4128528 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128528

18 years, 2 months

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[JBoss Seam] - Re: A web service with attachments in Seam?

by shane.bryzak＠jboss.com

It might be better to ask this in the JBossWS forum. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4128527#4128527 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4128527

18 years, 2 months

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jboss-user February 2008