October 2009 - jboss-user - Jboss List Archives

[Beginner's Corner] - Re: 'table does not exist' error after changing default data

by bwalker55

Thanks for the response, Unfortunately, all I know is what"s in the log file, as quoted above. So, all I can say is that it happens sometime during startup. As well, the Oracle error processor doesn't tell you what table it can"t read. Not much help. Bob View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259973#4259973 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259973

16 years, 8 months

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[Clustering] - Re: HTTP Session passivation - How to survive server restart

by bstansberry＠jboss.com

Thanks for confirming that. What you're trying to do is valid; it's just that it requires real caution when used in an actual cluster with production data, so it's not the default. That technique won't work if the JBC config has "useRegionBasedMarshalling" set to true. Which in AS 5.1 is only the case for the field-granularity-session-cache, but will probably be the default everywhere in 5.2. I bring that up because there's some hard-coded logic that detects useRegionBasedMarshalling=true and deletes the sessions off the disk at webapp undeploy. But thinking about your question has me thinking the "purgeOnStartup" flag could handle that useRegionBasedMarshalling=true use case fine as well, removing the need to have the cleanup be hard coded, and letting people like yourself control the behavior. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259965#4259965 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259965

16 years, 8 months

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[JBoss Cache Users] - Re: Buddy replication - initial state transfer after node re

by bstansberry＠jboss.com

Richard, this is most definitely a bug. https://jira.jboss.org/jira/browse/JBCACHE-1549 Thanks again for the thorough report. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259964#4259964 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259964

16 years, 8 months

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[Installation, Configuration & Deployment] - Multiple JBoss instance as a service

by ironosity

Hey, I've searched around but been unable to find how to do this. I currently have multiple JBoss instances on a WinServer2008 x64 machine (bound to separate IP address) I can get one to start up as a service but not more than one. I've tried editing the service.bat to start up multiples but that didn't work. It never gets to the second one. I also tried copying the service file and changing all the stuff inside to make another service but when I try to start that it starts and stops right away. What is the proper way to have multiple JBoss services. Or if this is not possible what I really want is to have these instances start up at startup and not have a bunch (like 10) open command prompt windows. thanks! View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259961#4259961 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259961

16 years, 8 months

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[Installation, Configuration & Deployment] - Start JBoss from a remote machine?

by ironosity

Hey, I'm working with on an ant script that can be used to start/stop a JBoss instance on a remote machine on my local intranet. the stopping part works fine. Starting causes me issues. Basically what I am doing is calling the a bat file that runs the run.bat (remote server is WinServ2008) with specific parameters. this file contains the fillowing: \\[servername]\[jboss home]bin\run.bat -c [instanceName] -b [ip address to bind instance to] -Djboss.messaging.ServerPeerID=2 when it runs it acts like it's trying to start jboss on my local machine. So how do I get JBoss to start from an external machine? Starting it locally works with out problem. Thanks for any help you can give. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259960#4259960 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259960

16 years, 8 months

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[Clustering] - Re: HTTP Session passivation - How to survive server restart

by RichardTaylor

I'd just like to report back that 1. disabling Buddy Replication and 2. setting "purgeOnStartup" to false does allow HTTP Sessions to survive server restarts on my local machine. This is handy for various reasons. Thx. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259959#4259959 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259959

16 years, 8 months

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[Clustering] - Re: Cluster falls apart: FD_SOCK errors

by kennardconsulting

A tip for those who come this way after us: we found a large part of the problem was that the cluster nodes rely on being in constant communication. If one of them is under high load (say, running some reports or something) its CPU usage may be so high it does not respond to the cluster ping quickly enough (within 3 seconds). The cluster then treats it as dead and removes it from the cluster, even though it is not dead it is just busy. We increased the org.jgroups.protocols.pbcast.GMS timeout and it helped a great deal. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259958#4259958 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259958

16 years, 8 months

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[Clustering] - Re: HTTP Session passivation - How to survive server restart

by RichardTaylor

OK, it sounds like this may be ok in a single server dev environment, but doesn't make much sense in an actual/production cluster. What you said makes sense. In theory not all servers are suppose to go down at the same time anyway ;). I had played with the purgeOnStartup but it seemed to lead to other inconsistencies in replication / startup, which is what you hinted at. Thanks, I'll try to use it locally, but will skip it in production. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259956#4259956 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259956

16 years, 8 months

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[jBPM Users] - xpdl to jpdl

by noicangi

hi, after all the week i decided to use jbpm3.X, and i saw a presentation from redhat where it was posible to import a xpdl project to jpdl using redhat studio, but i cannot found that option on jboss tools m3, my question is if this is posible on jboss tools or is a 3rd party plugin? Thanks, n.Oicangi View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259955#4259955 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259955

16 years, 8 months

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[Clustering] - Re: HTTP Session passivation - How to survive server restart

by bstansberry＠jboss.com

Good question. Complicated answer. First, if you want to try to get this to work, you can disable buddy replication in your JBC config and also update the JBC config's cacheLoaderConfig section: <property name="purgeOnStartup">false</property> That's "true" by default. The issue with reading sessions off the disk at startup is that the persistent-across-server-restart storage for a session is meant to be the other nodes in the cluster, not the disk. If you also start reading sessions off the disk, you run into the potential of having using out-of-date data from the disk in preference to the data transferred from the cluster. This is particularly the case with buddy replictation. See https://jira.jboss.org/jira/browse/JBAS-5627, particularly the subtasks under it, for a more in-depth discussion. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259953#4259953 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259953

16 years, 8 months

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jboss-user October 2009