June 2009 - jboss-user - Jboss List Archives

[Clustering/JBoss] - Re: HASingletonDeployer ERROR upon secondary server startup

by bstansberry＠jboss.com

The "DEPLOYMENTS MISSING DEPENDENCIES:" error message is rather cryptic; I'm looking into it to make sure it means what I think it means. But my interpretation is not that the microcontainer expects the bean to be in "Described" but rather that it doesn't recognize the name at all. Looking at the Barrier in the jmx-console and seeing "Create" state is what I would expect on the non-master node, so that aspect of it looks good. Hmm, a possibility here is the BarrierController is directly registering the Barrier in JMX, and the microcontainer is bypassed. So the microcontainer is unaware of the barrier. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240825#4240825 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240825

14 years, 10 months

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[Beginners Corner] - Re: How to check a jdbc configuration

by Agorka

Thanks, is it something I can do to force JBoss to open the min connections? I have none application yet. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240822#4240822 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240822

14 years, 10 months

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[Beginners Corner] - Re: How to check a jdbc configuration

by PeterJ

Connections are lazy-loaded - none will be made until an app requests one, then min connections are made. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240821#4240821 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240821

14 years, 10 months

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[Beginners Corner] - How to check a jdbc configuration

by Agorka

Hello I've started with JBoss AS as administrator. I configured the datasource according to doc. I set also a min pool, new connection sql (select 1 from sys.dual). But I can't see any connection from the JBoss in the database level (It is Oracle). Should this connection automatically appear in the database ? or should I run something? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240817#4240817 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240817

14 years, 10 months

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[Clustering/JBoss] - Re: Lost in the documentation UDP->TCP

by bstansberry＠jboss.com

Thanks, giddion for the correction and the details. Yep, in my comment format for the initial_hosts list was incorrect. Note that if you use -b 0.0.0.0, JGroups will not bind to all interfaces. Rather it ends up using the value returned by InetAddress.getLocalHost().getHostName(). You can control this what interface is used by using -Djgroups.bind_addr=xxx. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240816#4240816 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240816

14 years, 10 months

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[JBoss Cache: Core Edition] - Re: How does JBoss Cache perform with high (15-20) number of

by souravm

Hi Bela, Thanks for your inputs. Yes I agree with you, n/w bandwidth wise it may not be an issue. However, I've not got your point on how data store can be issue w.r.t scalability. Let me explain the data model a bit more here. All together I've around 250x1000 such entities, which would be replicated across 20 nodes (in about 2-3 mins timeframe). Now each entity being a size of 1 KB, we have provisioned for 250MB memory at each instance level (that means every node has all the state of the system). Given that I think with increase in number of instances in the cluster, the memory need would not increase. Please let me know if you think otherwise. However, I agree increase in average data size would surely be a scalability issue. My concern is more with the CPU cycles which will go in marshaling/unmarshaling data. Given that every instance would receive data from all other (N-1) instances, the CPU cycles in marshaling the data would grow in all nodes in addition of more nodes in the cluster. Also I'm not sure how it would impact the locking. Assuming that use of MVCC locking strategy would take care of this. By the way, I'm interested to know when is the target date of release of consistent hash algorithm (CHA) based (select where keys reside) distributed caching mode (ISPN-30). That would surely solve the scalability problem what I see in this case. Regards, Sourav View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240815#4240815 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240815

14 years, 10 months

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[Installation, Configuration & DEPLOYMENT] - Re: Is this JBoss or an iBatis issue? Classpath issues...

by adrianoats＠gmail.com

I see, thanks for the help and explanation... Could you, please, tell me a little more about the classloaders... I got it when you said that Ibatis ends using the wrong one.... what I didnt get was what are it's options? Is there more than one classloader in a web app? why is that? Thanks. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240813#4240813 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240813

14 years, 10 months

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[JBoss Tools (users)] - Re: High CPU on JSF auto-complete

by PeterJ

Try taking a few thread dumps during the 100% CPU time, that might help pinpoint the code causing this issue. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240812#4240812 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240812

14 years, 10 months

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[JBoss Tools (users)] - Re: High CPU on JSF auto-complete

by jboden

nothing at all in the eclipse error log (show view -> error log) I would expect the first time to be slow, then cache the methods index. But it's acting as if it doesn't do that. Is there any type of debug option I can run to determine what it's doing? I saw this before on a very old jboss dev studio, then some patch fixed it, can't remember what it was. Thanks for your help! View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240807#4240807 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240807

14 years, 10 months

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[Tomcat, HTTPD, Servlets & JSP] - Referencing ${catalina.base}

by juanavelez

I am a newbie to JBoss and the reason for using JBoss is that we have a tomcat-based application which our customer wants to run in JBoss. Our app is also a spring-based application and we have some properties file needed by spring referenced by some spring-configuration files by ${catalina.base}/properties/someproperty.file The above was a requirement from our customer which was using JBossAS as their AS instead of Tomcat. According to our customer this is what they do inside JBoss to reference a property file out of a WAR file (They have centralized the location of properties files out of WAR files for better managing). I downloaded 5.1.0GA and installed it. Using the "default" server, I copied my war file onto %JBOSS_HOME%/server/default/deploy but when it runs, it complains that ${catalina.base} can not be resolved. I am using JBossAS 5.1.0 GA, WinXP, jdk 1.5.0_15. Any help will be gladly appreciated. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240802#4240802 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4240802

14 years, 10 months

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jboss-user June 2009