Java

Dctm – Configure the memory of an IDS Target on Windows

The Documentum Interactive Delivery Services (IDS) doesn’t seem to be very popular, at least in my experience, as I haven’t seen that one used in a lot of situations. However, when I did, I always had to increase the(…)

Alfresco – When a JDBC driver breaks after years of stability

A customer recently contacted us regarding an issue with an old Alfresco Enterprise 4.2.2 environment. The system had been running stably for years, with a nightly restart of the Tomcat/Alfresco service to help recycle the memory and fix long-standing(…)

What is the most secure way to call an external job from an Oracle (pluggable) database?

I recently asked myself this question after having been confronted with a quite challenging situation, which will be been dissected in this post. Indeed, most of the DBA are aware about several mechanism offered by the Oracle database engine(…)

Documentum – Impact of Java 17 and JAVA_TOOL_OPTIONS

If you are familiar with Java, you probably know that starting with JDK 9, you may need to add some “–add-exports” or “–add-opens” parameters to the JAVA_TOOL_OPTIONS. This is the Strong Encapsulation, which started with(…)

Apache Tomcat Monitoring in Prometheus without JMX

In a previous blog post, I explained how to monitor Apache Tomcat with Prometheus with help of JMX exporter. It is not always desirable to use JMX as it requires: An additional service setup (which(…)

My JVM Memory Analyzes Toolkit

One of the most common errors while running an application is “out of memory”. And Java is no different besides errors being named exceptions. The exact exception name you might have encountered is: java.lang.OutOfMemoryError And, in most cases,(…)

How to use the licensing Control-M reporting tool

BMC Software requests yearly a licencing report of the usage of Control-M at the customer site, for that they send you a request to generate a report by using a Usage Reporting Tool provided by them and send back the(…)

Alfresco – Removing JMX settings via the AttributeService since the Revert doesn’t work

At a customer, I recently faced a problem with the JMX settings that couldn’t be reverted. If you already worked with Alfresco, you know that it’s possible to save configurations through the Alfresco Administration Console and that doing so will(…)

log4shell: Determine affection, mitigate, example: Oracle Unified Directory

This post is about two security vulnerabilities reported on log4j 2.x framework: CVE-2021-44228, with a base score 10 (of 10 max.) in CVSS version 3.1 risk, and CVE-2021-45046, base scored 9. I will list some ways to determine affection, how(…)

dctmping, A Documentum Repository Checker Utility

When working with containers, the usual trend is to make them as compact as possible by removing any file or executable that is not used by what is deployed in it. Typically, interactive commands are good candidates not to be(…)