October 2008 - jboss-user - Jboss List Archives

[Clustering/JBoss] - Session Replication and Sticky Session

by oosie

I'm using JBoss 4.2.3.GA on two nodes and Apache 2.2 on a separate node. I'm trying to have both session replication and sticky session to work at the same time, but so far without success. I started to configure my setup for sticky session alone, by adding the jvmRoute attribute to the Engine tag on each JBoss node. I configured my Apache's load balancer accordingly. Testing this setup showed that sticky sessions works fine: I see the jvmRoute attribute value nicely appended to each JSESSIONID, and Apache is making sure the sticky part works. Then I continued to configure my setup throwing session replication in the mix. I added to my application's web.xml and created the additional jboss-web.xml as follows: <jboss-web> | <replication-config> | <replication-trigger>SET_AND_NON_PRIMITIVE_GET</replication-trigger> | <replication-granularity>SESSION</replication-granularity> | <replication-field-batch-mode>true</replication-field-batch-mode> | </replication-config> | </jboss-web> I verified that session replication works with this setup. However, the jvmRoute attribute value is not being appended to the JSESSIONID anymore, thus losing the stickyness. My application is just a simple test servlet that returns the IP address of the node that handled the request, the JSESSIONID associated with the current session, and a counter which is stored into the session and gets incremented with each incoming request associated with that session. It doesn't use any kind of framework. It's just a simple servlet. What am I missing here? Thanks, Jack... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186134#4186134 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186134

16 years, 5 months

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[EJB 3.0] - Re: ClassCastException after JNDI lookup

by tperrigo

Same behavior...the JNDI lookup returns a javax.naming.Reference; the attempt to cast to the Remote Interface causes a ClassCastException. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186132#4186132 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186132

16 years, 5 months

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[EJB 3.0] - Re: ClassCastException after JNDI lookup

by PeterJ

Try switching around the annotations like this: @Remote | public interface ProcessAdminRemote extends ProcessAdmin {...} | | @Stateless | public class ProcessAdminEJB implements ProcessAdminRemote {...} View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186131#4186131 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186131

16 years, 5 months

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[Persistence, JBoss/CMP, Hibernate, Database] - Re: App deploymenet error: Unexpected error in pingDatabase

by vitechinc2008

Thank you Peter. I appreciate it. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186130#4186130 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186130

16 years, 5 months

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[JBoss Portal] - Re: Reading/Updating JBoss CMS Files via Java Batch Program

by user.java

Sohail Any other suggestion/help? Thanks, View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186129#4186129 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186129

16 years, 5 months

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[EJB 3.0] - Re: EJB3 stateless session bean local proxy threading

by hjhjr4

Thanks for this explanation! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186127#4186127 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186127

16 years, 5 months

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[JBossWS] - Re: Stateless Session EJB Endpoint (JBossWS Native)

by tperrigo

Yes, that's correct; sorry, I should have mentioned that I posted to the EJB3 forum. Once the WSKernelLocator issue was resolved by the removal of one of the duplicate files, I tried removing the web service annotations from my EJB, making it just a simple stateless session bean, to see if I could then do a JNDI lookup. I'm still getting a ClassCastException, though. I left the topic open in this forum, though, just in case anyone knew of any EJB-related problems from projects created using the ant tasks provided with the JBossWS Native distribution. Thanks, Tim View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186126#4186126 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186126

16 years, 5 months

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[JBossWS] - Re: Stateless Session EJB Endpoint (JBossWS Native)

by PeterJ

Looks like this discussion is being continued at: http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186101 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186124#4186124 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186124

16 years, 5 months

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[Persistence, JBoss/CMP, Hibernate, Database] - Re: App deploymenet error: Unexpected error in pingDatabase

by PeterJ

Looking at the code a little more closely, it would appear that the OracleValidConnectionChecker depends on a method named 'pingDatabase' in the oracle.jdbc.driver.OracleConnection class in the oracle JDBC driver JAR. The OracleValidConnectionChecker expects pingDatabase to return an Integer (OracleValidConnectionChecker actually pass Integer.class to pingDatabase, which I assume is then used by pingDatabase to return a result). You can either find out why the pingDatabase method is not working correctly, remove the valid-connection-checker-class-name from the *-ds.xml file, or if you want a connection checker write your own connection checker class and use it. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186123#4186123 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186123

16 years, 5 months

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[Performance Tuning] - Re: JVM arguments for increasing performance of JBoss.

by dgenkin

"PeterJ" wrote : anonymous wrote : I could not find SUN equivalents for | | XXlazyunlocking -XXtlasize:min=4k,preferred=512k -XXcallprofiling | | I do not know of any equivalents to these in Sun's JVM. | | The ones you have set look fine, though I want to caution you about using -XX:+AggressiveOpts - this option sets a number of other options so you should always list it first otherwise it might undo options set before it. Also, the AggressiveOpts are tuned for a specific benchmark and might not be the best settings for your app, but you can find that out only by trying with and without it. thanks Peter for your insight and help. Does anyone know SUN equivalents for the following JRockit arguments?: XXlazyunlocking -XXtlasize:min=4k,preferred=512k -XXcallprofiling View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4186122#4186122 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4186122

16 years, 5 months

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jboss-user October 2008