Application integration & Middleware

Elastic (ELK) Stack – Elasticsearch Terminologies

In a previous blog, we got an overview on Elastic Stack (Elasticsearch, Logstash, Kibana, and Beets), in next blogs I will go through all these components to understand them, today we will go more in deep in(…)

Elastic (ELK) Stack – Get Started

ELK Stack or more recently called Elastic Stack, is a combination of three open-source projects: Elasticsearch, Logstash and Kibana. All these projects have been developed by Elastic and used to store, analyze, discover, and visualize data efficiently!(…)

Monitoring – first steps with Prometheus

Monitoring is a crucial element of DevOps automation that has to be proactive, meaning it must find ways to improve applications quality before bugs appear. Therefore, we have to quickly and easily understand what is happening in our infrastructure,(…)

Alfresco – Share Clustering fail with ‘Ignored XML validation warning’, again

In a previous blog, I mentioned an issue that I faced when upgrading an Alfresco Content Services 5.2 to 6.1 on a VM with no internet access. The solution was simply to change one of the schema(…)

Alfresco – Custom Share action not working after disabling WebDAV servlet

On an Alfresco upgrade project I was working on recently, I faced an interesting issue where post upgrade, one of my custom Share action wasn’t working anymore. This action was used to create folder links for use on an external(…)

Alfresco – ActiveMQ not starting, blocking Alfresco

As already mentioned in a previous blog, ActiveMQ has been used in the scope of Alfresco since quite some time. Initially, as an optional component but then, it became mandatory. Just like for the Database, if ActiveMQ(…)

Documentum – E_INTERNAL_SERVER_ERROR on D2-REST Product page related to GUAVA libraries after WebLogic PSU

At a customer, the D2-REST (16.5.1) application hosted on WebLogic Server 12c started showing 500 Internal Server Errors, after a customer release including many things. The error was rather simple to replicate since opening the D2-REST Product info page was(…)

Documentum – dmqdocbroker/iapi/idql not working because of dbor.properties.lck

Have you ever faced an issue where dmqdocbroker, iapi, idql and the likes aren’t able to communicate at all with any Docbroker (connection broker)? Here, I’m not talking about potentially wrong hostname, port or connect modes, which might prevent you(…)

Customizing Oracle WebLogic wlst

As stated in Oracle’s documentation, the WebLogic Scripting Tool, or wlst for short, can be extended by adding functions in 2 non mutually exclusive places: any file located in $WL_HOME/common/wlst any file located in $WL_HOME/common/wlst/lib/ Files must have the(…)

HtmlAdaptorServer, A JMX Agent with HTML Presentation for WebLogic

In this article, I presented a little utility based on the SimpleHTTPServer jython module to visualize into an HTML page a WebLogic server’s configuration and run-time mbeans. I also mentioned that there are lots other tools out there for(…)