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Application Server

Middleware is where applications meet infrastructure. Here our consultants write about WebLogic, JBoss EAP, WildFly and Tomcat in real production environments: installing and clustering them, patching, deploying applications and finding out why something stopped working.

Developing an archive action for Alfresco Share (1 of 2)

A few weeks ago when I was working on setting up an Alfresco Community Edition v4.2.c, I came across a problem that took me quite some time. What I will talk about today is the customization of the actions provided by the interface of Alfresco Share. This action was tested on all sub-versions of Alfresco Community Edition 4.2 (a, b,… 

Oracle WebTier 12c release

I was surprised to see that Oracle WebTier 12c release has been available from OTN since June 2013. It comes with big changes. I guess that marketing Oracle Database 12c encouraged the outcome of newer versions of Oracle Middleware products such as Oracle WebLogic Server 12.1.2, Oracle Coherence 12.1.2, and Oracle WebTier 12.1.2. Oracle WebTier 12.1.2 includes the following features:… 

Oracle Cloud Application Foundation for next-generation applications

On 11 July 2013, Oracle launched the so-called Cloud Application Foundation. An online launch event was organized on 31 July 2013 to introduce this new term in the Oracle Stack. This event had two parts: Keynote and Customer & Industry Leader Panel Webcast (60 minutes) Technical Breakout Session featuring Oracle WebLogic, Oracle Coherence, Oracle Enterprise Manager and Oracle Developer tools… 

Documentum Administrator does not display the correct “Index Agent” status

At one of my customers, I experienced a problem with the Documentum Administrator (DA), which did not display the correct Index Agent status. In this blog post, I will explain how I found the source of this problem and of course also how I solved this issue. But first, some background facts: The Documentum Administrator (DA) is displaying “not responding”… 

Oracle Java EE 7 – an overview

After announcing the availability of Oracle Java Enterprise Edition 7 (Java EE 7 or JEE7), Oracle organized a web event for the launch, covering topics such as the new features and the java community as well as showing some examples of the new APIs. This blog post summarizes some key points of this event. The show was driven by the… 

Oracle WebLogic 12.1.2 – new features

The new Oracle WebLogic Sever 12c (WLS 12.1.2.0.0) was released on 11 July 2013. Since I read lots of documents, announcements, and information regarding this new version, I want to inform you about some new features that have an impact and/or changed my daily work as a WebLogic Server administrator. Some general information Here are a couple of new features… 

A comparison of Java Virtual Machines: Hotspot JVM vs JRockit JVM

You might know that there are many JVMs available today, but do you know the difference between them? In this blog I will not state all JVMs as it will take too much time 🙂 But I will talk about Hotspot and JRockit, because they are pretty used and because they will eventually merge in Java 8! That’s what they… 

Configuring the JBoss server to use SSL for Documentum DFS

To be compliant with the customer’s security rule, I had to configure SSL for a JBoss application server that holds the Documentum Foundation Services (DFS). I used the following procedure: 1. Generate a keystore Change it to a temporary location, e. g. /var/tmp/SSL: keytool -genkey -dname “cn=dms.test.org, ou=DEV, o=NICE, l=Delemont, s=Switzerland, c=CH” -keyalg “rsa” -validity 730 -alias tomcat -keysize 2048 -keystore… 

WebLogic: Using a WLST script to find a specific word in an object

On a WebLogic Server, I had to write a WLST script to find the current number of consumers accessing a specific JMS Queue destination as this is not monitored by Oracle Grid Control 11g or Oracle Cloud Control 12c. Knowing only the short name of the queue, I uses a regular expression in my WLST script to find the needed… 

SQL Server View problem in LightSwitch 2012

I recently faced a problem in Visual Studio LightSwitch 2012 with SQL Server views. I attached an external datasource to my project and when I tried to import my view (which is very simple) I experienced some issues. Here is my View in SQL Server 2012: During the import process a warning says  my view doesn’t have any primary key… 

Bug on Oracle 11.2 “ORION FAILS WITH ORA-27061”: Patch available!

In march 2011, my colleague Gregory Steulet published an article about Simulating and testing I/O performances with Orion. In this article, he wrote about a bug concerning Orion on Oracle 11.2, reported in Oracle bug number 9104898: “ORION FAILS WITH ORA-27061: WAITING FOR ASYNC I/OS FAILED”. Trying to compare performances of storage devices on a virtual machine between a classical… 

Oracle APEX 4.2 HTML 5 item types

In this blog, I will explore the HTML 5 new item type features of Oracle APEX 4.2. The objective is to use the new number, e-mail, phone number and url html 5 item type and the native browser validation capability. I have created a new database application with the theme 25 which fatures responsive design principles (auto adjusts to the…