Tomcat

Creating PDFs in APEX after ORDS 19.1

Creating PDFs in APEX after ORDS 19.1

Until 19.1 ORDS provided a built-in printing engine based on Apache FOP which allowed you to download a PDF version of your reports and XLS-FO templates in a very easy manner. However in ORDS 18.4.0 release notes we could find information that this feature is deprecated and will be removed in future release. This is exactly what happened with the release of ORDS 19.2.

So what actually happened? 

This is from Oracle’s release notes of ORDS 19.2:

Keeping your logs clean with Apache Tomcat 9, log4j2 and spring-boot

These last days I've been playing with Apache Tomcat 9 and log4j2. You may wonder why I want to change the good an old Tomcat JULI. Well, although I love the simplicity of its configuration and the fact that JULI works, log4j2 offers a big variety of appenders that make it very interesting. Also I prefer the way of how log4j2 rolls the files, keeping the original name un-touched (e.g.

Configuring Technologies to Work with Java Mission Control

Introduction

Java Mission Control was introduced with JDK 7u40. With JDK 8u40 and later, you can get JMC to monitor any Java workload out of the box. However, in order to customise how JMC and JFR will act we need to configure the Java Virtual Machines and technologies running them ourselves.

This post will explain how to enable JFR, log-in details for remote monitoring, configure ports and pass any arguments you want to the JVM when using Tomcat and Docker with JMC. In this blog, our test environments will only be Tomcat and Docker.