jboss – Page 6 – Tarik Billa

How to call a stored procedure from Java and JPA

January 4, 2023 by Tarik

JPA 2.1 now support Stored Procedure, read the Java doc here. Example: StoredProcedureQuery storedProcedure = em.createStoredProcedureQuery(“sales_tax”); // set parameters storedProcedure.registerStoredProcedureParameter(“subtotal”, Double.class, ParameterMode.IN); storedProcedure.registerStoredProcedureParameter(“tax”, Double.class, ParameterMode.OUT); storedProcedure.setParameter(“subtotal”, 1f); // execute SP storedProcedure.execute(); // get result Double tax = (Double)storedProcedure.getOutputParameterValue(“tax”); See detailed example here.

How to change webservice url endpoint?

December 29, 2022 by Tarik

IMO, the provider is telling you to change the service endpoint (i.e. where to reach the web service), not the client endpoint (I don’t understand what this could be). To change the service endpoint, you basically have two options. Use the Binding Provider to set the endpoint URL The first option is to change the … Read more

What is the difference between JBoss EAP, Wildfly, JBoss web, and JBoss server?

December 26, 2022 by Tarik

JBoss EAP is the name for the Java EE application server that Red Hat produces and supports. The latest version is 6 at the moment and this implements Java EE 6. JBoss AS/WildFly is the name for the community project that you can test. This community project will eventually become JBoss EAP. “WildFly” is just … Read more

Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project? [closed]

December 8, 2022 by Tarik

I have used WebLogic, WebSphere, JBoss, GlassFish, Resin, Jetty, Tomcat, and a few others over the last 10+ years. So, if I were considering a new project, I would ask myself a few questions first. One thing that I would not question anymore is that I would flat refuse to use JSPs unless I was … Read more

JBoss vs Tomcat again [closed]

December 1, 2022 by Tarik

First the facts, neither is better. As you already mentioned, Tomcat provides a servlet container that supports the Servlet specification (Tomcat 7 supports Servlet 3.0). JBoss AS, a ‘complete’ application server supports Java EE 6 (including Servlet 3.0) in its current version. Tomcat is fairly lightweight and in case you need certain Java EE features … Read more

@Column(s) not allowed on a @ManyToOne property

November 17, 2022 by Tarik

Use @JoinColumn instead of @Column: @ManyToOne @JoinColumn(name=”LicenseeFK”) private Licensee licensee;

Steps to make an existing JNDI HornetQ service as HA?

October 24, 2022 by Tarik

With the architecture described it seems difficult to me, because indeed you need to reconfigure the slave as master and then you will have a certain outage. HornetQ HA is provided via a live-backup pair and load-balancing is provided via a cluster. If you want both HA and load-balancing then you will need 2 live-backup … Read more

Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss

October 18, 2022 by Tarik

Here’s what Oracle’s documentation has to say: By default the heap dump is created in a file called java_pid.hprof in the working directory of the VM, as in the example above. You can specify an alternative file name or directory with the -XX:HeapDumpPath= option. For example -XX:HeapDumpPath=/disk2/dumps will cause the heap dump to be generated … Read more

PSQLException: current transaction is aborted, commands ignored until end of transaction block

October 8, 2022 by Tarik

I got this error using Java and PostgreSQL doing an insert on a table. I will illustrate how you can reproduce this error: org.postgresql.util.PSQLException: ERROR: current transaction is aborted, commands ignored until end of transaction block Summary: The reason you get this error is because you have entered a transaction and one of your SQL … Read more

What is the difference between Tomcat, JBoss and Glassfish?

September 16, 2022 by Tarik

Tomcat is just a servlet container, i.e. it implements only the servlets and JSP specification. Glassfish and JBoss are full Java EE servers (including stuff like EJB, JMS, …), with Glassfish being the reference implementation of the latest Java EE 6 stack, but JBoss in 2010 was not fully supporting it yet.