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Matthew Gill

Recent Posts

Payara Micro in Docker

04 Sep 2017

The Payara Micro 173 release had a few changes which will make the lives of Docker users easier. This blog will cover the changes which affect Payara Micro in Docker,  demonstrating the following:

  • Using the new Payara Micro 5 Docker image, which provides Java EE 8 features.

  • Deploying...

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REST Monitoring in Payara Server

24 Aug 2017

The Payara Server 173 release includes a technical preview of an upcoming REST Monitoring Service, which is a new service which exposes JMX monitoring MBeans over HTTP. One big problem with JMX is that JMX monitoring uses RMI (Remote Method Invocation), which can lead to a few nightmares if, for...

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Securing a Payara Server Cluster using NGINX

10 Aug 2017

In order to make a cluster of servers appear as one server, you need to introduce a load balancer. A load balancer will accept a request, and redirect it to one of the members of the cluster depending on a given configuration. A web server such as NGINX or Apache can act as this load balancer as...

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Payara Micro JCA Adapters - Amazon SQS

26 Jul 2017

In this blog, which follows on from the  Cloud Connectors in Payara Micro, we will explain the Amazon Simple Queue Service (SQS) connector and how to use it in Payara Server / Micro.

 

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Payara Micro JCA Adapters - MQTT

28 Jun 2017

In this blog, which follows on from the introduction to Cloud Connectors in Payara Micro, we will explain MQTT and how to use it in Payara Micro with Mosquitto.

 

 

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Payara Micro JCA Adapters - Apache Kafka

08 Jun 2017

In this blog, which follows on from the introduction to Cloud Connectors in Payara Micro, we'll guide you through the process of setting up Payara Micro as a Kafka Client, which can produce and consume data from Apache Kafka.

 

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Cloud Connectors in Payara Micro

02 Jun 2017

Payara Micro 172 brings with it support for JCA adapters, meaning it can be used as a client for Java Messaging Service (JMS) brokers. JMS is a Java EE API which provides a common interface for standard communication protocols. This means that you can send and receive messages between systems in...

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Identifying Deadlocks in Thread Dumps from Payara Server

11 May 2017

The previous part of this blog showed how to take a thread dump of Payara Server. This part will go through reading these thread dumps, particularly in regard to identifying deadlocks.

 

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Taking a Thread Dump of Payara Server

08 May 2017

Thread dumps are a useful tool for debugging an application that's running slowly, or is otherwise causing problems. A thread dump is a snapshot of what each running thread is doing at a particular moment. It allows you to see if a thread is running, waiting, or stalling. This two-part guide...

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Payara for Beginners: Integrating Payara Server with Oracle 11g XE

13 Apr 2017

Most modern-day web applications need some way to store data in a database. Oracle arguably gives you the best RDBMS solution when it comes to security, support, and scalability. Oracle XE is the version that is most suitable for developers for small or personal projects, and should also be...

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