January 2008 - jboss-user - Jboss List Archives

[JCA/JBoss] - Re: Destroying connection that could not be successfully mat

by vickyk

I need to see the logs to get more details , enable the log tracing for org.jboss.resource.connectionmanager.JBossManagedConnectionPool and attach it here . try | { | Object matchedMC = mcf.matchManagedConnections(Collections.singleton(cl.getManagedConnection()), | subject, cri); | if (matchedMC != null) | { | if (trace) | log.trace("supplying ManagedConnection from pool: " + cl); | cl.grantPermit(true); | return cl; | } | | //Match did not succeed but no exception was thrown. | //Either we have the matching strategy wrong or the | //connection died while being checked. We need to | //distinguish these cases, but for now we always | //destroy the connection. | log.warn("Destroying connection that could not be successfully matched: " + cl); | synchronized (cls) | { | checkedOut.remove(cl); | } The above code is from http://anonsvn.jboss.org/repos/jbossas/branches/Branch_4_2/connector/src/... It is this code which is displaying the warning . Looks to me the issue with matchManagedConnection implementation of MCF . Give me more details about the MCF implementation of matchManagedConnection . View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116348#4116348 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116348

18 years, 3 months

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[JBoss Seam] - Re: Lazy loading exception with Seam EM

by pete.muir＠jboss.org

One way is to use http://wiki.jboss.org/wiki/Wiki.jsp?page=SeamEntityHomeForLongRunningCont... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116347#4116347 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116347

18 years, 3 months

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[JBoss Seam] - Determining Database Type.

by breako

Hi, I have an EntityManager and I want to determine database type. This not part of the JPA spec, however some JPA vendors e.g. hibernate have a getConnection() API in their EntityManager implementation. If you cast to this implementation and get a connection you can determine database type. If using Seam Managed EntityManager, Seam injects a org.jboss.seam.persistence.EntityManagerProxy instance. So this API is not available. Is there any other way I can determine database type? Reason I ask is because, we have to support a number of different database types and have to be able to determine dynamically and at runtime the database type to handle some custom stuff. Regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116346#4116346 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116346

18 years, 3 months

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[JBoss Portal] - Should we use Portlets+EJB3 for componentized enterprise app

by avogt_sundn

We consider a design of uniform building blocks for an enterprise application portal, were the building blocks are EAR files that deliver UI as well as busines logic in one deployment. I'm interested in your opinion on this. Let me explain that: - we want to build up on the best practices and open standards - building blocks (one EAR) group business use cases - the portal presents the available use cases to the user as it chooses from the deployed use cases (that calls for some kind of registry, hopefully EJB jndi is sufficient) - we create portal pages for each instance of a use case (that gives the user something like tabbed browsing: one tab for each use case), - on that page there are several portlets from different EARs (!) that are grouped and controlled under guidance of one orchestrating building block (an EJB), while the portlet implementation remains within the boundaries of its EAR - a use case has a page flow - we have a portlet that has navigation menu for the page flow - we have on the use case portal page a working region where at one time there will only be one portlet displayed - the page flow is beyond JSF page flow: it can render various portlets on the working area. When the portlet (the jsf app within, to be exactly) finishes its user interaction, the page flow takes over and renders the next portlet in flow to the working area Why the efforts? We want to have those building blocks to be highly reusable, especially the UI must be reusable "as is"; the cohesion within the building block is high since it s coupled with its UI as well as with its database tier. What i need is some kind of injection of portlets within other portlets (or at least their controllers), so that one controller calls another when he likes to give him preset values and when he wants to extract return values from the portlets. In the Seam group I read warnings not to declare dependencies on EJBs from foreign ear files because of class loader issues, and I read that it was not possible to biject EJBs from foreign ears. So I was thinking about leveraging the Seam concepts to the Portal? I could imagine that portal page to be the visualization of something like a new SEAM context. Any opinions to that? Armin View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116345#4116345 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116345

18 years, 3 months

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[JBoss Seam] - Re: One Seam component calling another

by breako

Thanks for the replies, you spotted my mistake. Happy New Year! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116344#4116344 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116344

18 years, 3 months

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[JBoss Seam] - Re: Problem upgrading to Seam 2.0.1.CR1

by pete.muir＠jboss.org

Please file a JIRA issue, this was a bug we introduced in CR1, sorry about that. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116343#4116343 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116343

18 years, 3 months

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[JBoss Seam] - Re: Swapping JSF implementation in JEE5 AS

by pete.muir＠jboss.org

"hubaghdadi" wrote : So, in order to use Trinidad, my application has to use a JSF implementation (like Sun RI or Apache MyFaces)? Yes. anonymous wrote : And if it is the case, it is impossible to deploy Trinidad & MyFaces on JEE5 AS according to JEE5 restriction... Assuming you mean JBoss AS 5 by JEE5, then I think you can http://wiki.jboss.org/wiki/Wiki.jsp?page=JBoss5AndMyFaces but of course this would be untested/unsupported by JBoss. I suggest you ask about this on a JBoss AS forum. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116342#4116342 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116342

18 years, 3 months

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[JBoss Seam] - Re: @Startup usage

by pete.muir＠jboss.org

To cause a Application or Session scoped component to be started when the application or session starts. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116341#4116341 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116341

18 years, 3 months

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[JBoss Seam] - Back

by Marx3

I have a form to submit picture. This form can be called from many different other forms, because I can attach pictures to many different objects. Hovewer I would like to have "Back" button acting like BackButton in browser. So I should always back to the form which has called my form. How should it be done in Seam? Let's face simple example: FormObjectA and FormObjectB calls FormPicture. How to define "Back" button so it back to caller? I've tried: 1)many buttons with "rendered" attribute one for each caller (works but tedious) connected with many "rule if-outcome" in XML 2)render button with binding method returning proper action (has problems when binding takes place in stateful bean) 3)"navigation from-action="back" and rule-if connected with some parameter set in bean - working, but there are problems with passing parameter 4) What I think about but don't know how to make properly is to program javascript:go(-1) and have faith in proper behaviour of backButton covered by Seam. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116340#4116340 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116340

18 years, 3 months

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[JBoss Seam] - Re: selectItems and enums

by pete.muir＠jboss.org

AFAIK this isn't possible, you need to expose your Enum values e.g. via an @Factory View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116339#4116339 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116339

18 years, 3 months

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jboss-user January 2008