Tag: ejb
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Don’t get trapped into a memory leak using CDI Instance Injection
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In one of our recent projects we have encountered some memory leaks using standard JavaEE technologies like CDI and EJBs. Our application in question does a lot of communication using JMS as a transportation layer. To be able to handle different message types dynamically we have used the Instance Injection of CDI. Using that approach with…
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JBoss EAP / Wildfly – Three ways to invoke remote EJBs
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The JBoss EAP / Wildfly application server provides as primary API the EJB client library to invoke remote EJB components. This client library is the implementation of the WildFly application server to invoke EJB components. The lookup of an object, such as a JMS connection factory, from the naming service is with the EJB client…
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Monitoring the JBoss EAP / Wildfly Application Server with the Command Line Interface (CLI)
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The JBoss EAP / Wildfly provides a powerful concept for management, configuration and monitoring of the JBoss Application Server itself and its Java EE Applications. The concept is based on the detyped management API. All management clients of the application server use this detyped management API to interact with the server. In this post we…
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How to access JSF from an EJB with JBoss Enterprise Application Platform 6 (aka JBoss AS7 / Wildfly)
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The good old JBoss Seam framework introduced the usage of stateful session beans (SFSB) as backing beans for JSF applications. The trick was to bind the lifecycle of a SFSB to a web context, such as the session or the request context. Meanwhile this concept was integrated into the Java EE by the Context and…
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Load-balancing and failover of remote EJB clients in EAP6 and JBoss AS7
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in akquinet, as7, berlin, cluster, clustering, ejb, failover, jboss, jndi, load balancing, lookup, redhat, remote ejb, remote namingDieser Artikel auf Deutsch In the recent posts of this series about the clustering capabilities of the JBoss EAP6 and the AS7, we covered the basic concepts, managing cluster nodes in domain mode and scalable HA cluster topologies. This post will be about clustering capabilities for remote EJB clients. We will explain how to cluster…
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Clustering in JBoss AS7/EAP 6
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in as7, cluster, ejb, ha, high availability, infinispan, java, java ee, jboss, jgroups, mod_cluster, redhatDieser Artikel auf Deutsch Overview The ability to combine different servers to a cluster that hides its internal servers from the clients and offers a virtual platform for an application is important for enterprise applications. It can be used to provide high scalability by adding cheap computational resources to the cluster on demand or high…
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Brave new world – Migrating a Java EE Application from JBoss AS 6 to JBoss AS 7
We are migrating an existing Java EE Application from JBoss AS 6 to JBoss AS 7. This blog post introduces our experience we have gained during the migration of the application to the new JBoss AS 7. Overview of the application The application is a Java EE application based on EJB, JPA and it contains…
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