September 2006 - jboss-user - Jboss List Archives

[JBossCache] - Replication Problem When Nodes Have Gone Away

by jbirkenmaier

Hi. Here's the problem in a nutshell. 3-node cluster with shared tree cache. Nodes 1 and 2 go away at around the same time (via an unplugged network cable). Node 3 gets notification withing 10-12 seconds that Node 1 is gone and makes a few changes to the cache (within a transaction). Cache tries to replicate to Node 2 (not knowing it has gone away) and fails (ReplicationException). Node 3 thinks that his local cache has been updated but it hasn't because of the replication failure. Node 3 receives notification that Node 2 has gone away after ~50 seconds and again updates his cache, which works because there is no one left to replicate to. There are two things I need help with: 1. I need to have my local cache update even when it fails to replicate. 2. Why does it take so long to receive notification that the second node has gone away when they were both on the same network cable that I unplugged? My JGroups timeout is set to 12 seconds max (counting retries). The two JGroups viewChange notifications are sometime more than 60 seconds apart. Thanks for the help! Jim View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973649#3973649 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973649

19 years, 7 months

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[JCA/JBoss] - Re: Seemingly random connection issues?

by znbailey

"weston.price(a)jboss.com" wrote : You need to post your *-ds.xml file as well as the version and type of MSSQL driver. Also, MS-SQL version would be good as well. | | The exeption you are seeing is typically the result of a SQL not being about to be executed on constructing a connection. This is usually specificied in your *-ds.xml file as <new-connection-sql>SOME SQL</new-connection-sql> | | Hi Weston, Thanks for your response. Here is the mssql-ds.xml file: | <datasources> | <local-tx-datasource> | <jndi-name>SystemDS</jndi-name> | <connection-url>jdbc:jtds:sqlserver://server-host:1433/dbname;SelectMethod=cursor</connection-url> | <driver-class>net.sourceforge.jtds.jdbc.Driver</driver-class> | <user-name>ZZZZZZ</user-name> | <password>ZZZZZZ</password> | <prepared-statement-cache-size>10000</prepared-statement-cache-size> | <min-pool-size>10</min-pool-size> | <max-pool-size>100</max-pool-size> | <blocking-timeout-millis>5000</blocking-timeout-millis> | <check-valid-connection-sql>select 1</check-valid-connection-sql> | </local-tx-datasource> | </datasources> | The version of the JTDS MS SQL driver used is the latest stable release, version 1.2. As you can see the check-valid-connection-sql is specified. Just to reiterate the JBoss version is 3.2.7. Because of this I don't think the new-connection-sql option is available (I remember reading somewhere that this was a 4.0+ feature)? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973648#3973648 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973648

19 years, 7 months

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[JBoss Seam] - Re: I have some problems with an exeption, I need help!!!!

by carojas

How can I see the timeout? How can I modify the timeout? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973647#3973647 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973647

19 years, 7 months

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[JBoss Portal] - Re: use of Jboss-web, Jboss-app, Jboss-portlet config files

by PeterJ

The jboss-web.xml file is empty because the typical information (conetxt) is not used. You can omit the file and the portlet still works fine. The jboss-app.xml file simply supplies a nice app name for the portlet. Otherwise the app name ends up being something like "/iframe". But you will never notice this unless you look at the Instances list in the Administration Portlet. The jboss-portlet.xml file is described in section 6.1.3 of the Reference Guide that comes with Portal 2.4. Uusually you don't need this file, and given the current contents, I think it can be omitted. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973646#3973646 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973646

19 years, 7 months

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[Javassist user questions] - Redeploy in JBoss Application Server causes javassist.NotFou

by geoffm74

We are using Tapestry 4.0.2, which, in turn, uses javassist-3.0, under JBoss 4.0.4.GA. Everytime we redeploy our EAR, we start getting NotFoundExceptions from javassist. I found an old Tapestry Jira issue for the same problem, and they wrote it off as a JBoss problem, but it seems to me like more of an issue of interaction between javassist and JBoss classloading. As far as I can tell the exception occurs any time javassist looks for a class provided by a jar that was changed in the redeployment. Has anyone else seen this? Is there perhaps a work-around? The problem goes away when the app server is restarted, but it is a pain to re-start the server every time we re-deploy. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973645#3973645 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973645

19 years, 7 months

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[JBoss AOP] - Re: jboss AS 4.0.4 GA aop application deployment issue

by kistler59

So does this mean I do not need to use the eclipse aop plugin to compile my application, I can compile as i would a normal application, follow these instructions http://docs.jboss.org/aop/1.3/aspect-framework/reference/en/html/running...., and deploy? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973644#3973644 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973644

19 years, 7 months

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[Beginners Corner] - Re: Beginner Problem

by PeterJ

The web context is based on the war file name, not the ear file name (an ear can contain multiple wars). Also, I don't think that index.jsp is used as a default welcome file. Therefore, to access your page, try: http://localhost:8080/web-app/index.jsp View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973642#3973642 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973642

19 years, 7 months

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[JBoss Portal] - Re: Portlet calling a webservice

by halversp

You invoke webservices from a portlet just like any other WS client -- get your hands on the service proxy (either pre-generated or through a dynamic proxy) and start calling operations (either through a generated service endpoint interface or dynamically). The portlet configuration mechanism may give you a cleaner place to isolate the configuration (e.g. the endpoint URL, etc.), and there are probably some lifecycle considerations (e.g. acquire the proxy in the init() method), but otherwise there's nothing special about it being in portlet. So if you're looking for examples you need to look at the usual web services tutorials. WSRP has nothing to do with it -- WSRP is about calling portlets via webservices, not calling web services from portlets. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973638#3973638 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973638

19 years, 7 months

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[Security & JAAS/JBoss] - Re: Alternative to getAuthenticationCachePrincipals for user

by stephan.opitz

how you log in from jsf into jboss... mayber if users are in a db? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973637#3973637 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973637

19 years, 7 months

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[EJB 3.0] - Re: EJb 3.0 primary key loose ?

by stephan.opitz

/** * Makes a Orders object persistent * * @param orders * Orders object */ public void save(Orders orders) { em.persist(orders); } needknowledge of getting id into object additionally could i say java persistence api is: entity beans + entity manager + hsqldb(which was introduced by hibernate) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973636#3973636 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973636

19 years, 7 months

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jboss-user September 2006