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How to capture your Enterprise application alerts in a Slack channel

Slack is a channel-based messaging platform which can be used to help people to effectively work together, connect their software tools and services, and find the information they need within a secure, enterprise-grade environment. In this tutorial you will learn how to forward application alerts to a Slack channel so that your team can get this information in real time.

Hits: 61

Using Prometheus and Grafana to capture Alerts and visualize Metrics

This is the third tutorial about how to use Prometheus server to capture metrics from a Microprofile compatible server like WildFly or Quarkus. In the first two tutorials, we have discussed how to set up Prometheus to connect to WildFly (Monitoring WildFly with Prometheus) and Quarkus (Monitoring Quarkus with Prometheus) to capture Microprofile metrics. We will now learn how to use the Alert Manager to capture, group or export our alerts. Then, we will learn how to export our metrics in a Grafana dashboard.

Hits: 81

Monitoring Quarkus with Prometheus

In this tutorial we will leanr how to monitor Quarkus MicroProfile metrics using Prometheus open source monitoring solution.

Hits: 126

Getting started with GraphQL using Java applications

GraphQL is a specialized query language with a syntax that defines the process of data-request and is useful when conveying data to a client from a server.

Hits: 235

Comparing OpenShift with Kubernetes

This article provides a comparison between OpenShift and Kubernetes container management project covering both management and development areas.

Hits: 176

How to use Log4j2 in your WildFly applications

Log4j2 is the latest major release of the popular Logging Framework. In this tutorial we will learn how to include Log4j2 configuration file and use it in your deployments running on WildFly.

Hits: 726

How to migrate Thorntail applications

As you probably known, the Thorntail project has come to an end of life. In this article we will learn how to move your project to a suitable Enterprise environment.

Hits: 364

Troubleshooting OutOfMemoryError: Direct buffer memory

The java.nio.DirectByteBuffer class is special implementation of java.nio.ByteBuffer that has no byte[] laying underneath. The main feature of DirectByteBuffer is that JVM will try to natively work on allocated memory without any additional buffering so operations performed on it may be faster then those performed on ByteBuffers with arrays lying underneath.

Hits: 1059

Simple strategies to test your Java applications with LDAP

LDAP is commonly used in Security realms as a source of authentication and authorization information. This tutorial will teach you two simple strategies for starting an LDAP Server in minutes in order to secure your Enterprise applications.

Hits: 331

  1. How to use the ManagedExecutorService to submit tasks
  2. Building Quarkus native applications with Mandrel
  3. Deploying JBoss EAP applications on OpenShift
  4. Turn your WildFly applications in bootable JARs
  5. Getting ready for Jakarta EE 9
  6. Configuring RESTEasy Applications
  7. Configuring Timeout policies for your EJBs
  8. How to connect your Quarkus application to Infinispan
  9. How to connect WildFly to a remote ActiveMQ Artemis server?
  10. Getting started with Vaadin on WildFly
  11. Getting started with Debezium
  12. Getting started with Quarkus and Hibernate
  13. Quarkus vs Spring Boot - Part 2
  14. Quarkus vs Spring Boot - Part 1
  15. From Drools to Kogito Rule Engine
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