Payara Server

Payara Server
Name	Payara Server
Developer	Payara Services Limited
Released	2014
Programming language	Java
Operating system	Cross-platform
Platform	Java Virtual Machine
Genre	Application server
License	Open source / Commercial

Payara Server is an open-source Java application server derived from the GlassFish codebase, positioned for enterprise Java EE / Jakarta EE runtime and microservices hosting. It provides a production-ready runtime, clustering, high-availability features, and commercial support options aimed at organizations running mission-critical Oracle Corporation Java EE workloads. Payara Server integrates with a variety of cloud, container, and continuous delivery ecosystems popular among Amazon Web Services, Microsoft Azure, Google Cloud Platform and on-premises deployments.

History

Payara Server originated when engineers forked the GlassFish project following stewardship changes involving Oracle Corporation and the Eclipse Foundation transition toward Jakarta EE. The fork was initiated by team members formerly associated with C2B2 and later organized under Payara Services Limited to address production-stability needs reported by enterprises using GlassFish, alongside community contributions from developers active in OpenJDK and Apache Software Foundation ecosystems. Major milestones include formal releases, the introduction of clustering and high-availability patches, and commercial support agreements with customers in industries represented by Barclays, Vodafone, and financial services firms similar to Goldman Sachs adopting Java EE application servers.

Architecture and Components

Payara Server implements a modular Java EE / Jakarta EE architecture that inherits components originally developed within the GlassFish community, integrating with core projects such as Eclipse MicroProfile and Hibernate ORM. Key components include a servlet container based on Eclipse Jetty-style concepts, a web container compatible with Jakarta Servlet, a persistence layer exposing JPA implementations such as Hibernate, and messaging support interoperable with Apache ActiveMQ and RabbitMQ. The server ships an administrative console and command-line tooling similar to those used by JBoss EAP and Apache Tomcat administrators, while clustering and session replication build on technologies analogous to JGroups and Hazelcast. Management interfaces support integrations with orchestration systems like Kubernetes, Docker, and configuration management tools such as Ansible and Terraform.

Features and Functionality

Payara Server offers enterprise features including automatic failover, transparent session replication, domain-wide configuration, and health monitoring compatible with Prometheus and observability stacks used by Grafana and New Relic. It provides Jakarta EE APIs, support for Jakarta RESTful Web Services, CDI, and JMS-compatible messaging, with extensions for cloud-native deployments inspired by Eclipse MicroProfile specifications. Operational functionality includes runtime diagnostics, thread and memory monitoring familiar to users of VisualVM, distributed tracing interoperable with OpenTelemetry, and logging compatible with Log4j and SLF4J ecosystems. Integration adapters exist for identity providers such as Keycloak and single sign-on systems used by enterprises like Okta.

Editions and Licensing

Payara Server is available in community and commercial editions: a free open-source distribution maintained by community contributors and a supported commercial edition offered by Payara Services Limited with SLAs and extended bug fixes purchased by enterprises similar to customers of Red Hat or IBM. Licensing aligns with open-source licenses used across Java server projects and commercial support contracts akin to those offered for WildFly and other middleware vendors. The commercial offering typically bundles subscription services, security patches, and enterprise-grade support comparable to offerings from Oracle Corporation for their middleware portfolios.

Deployment and Administration

Administrators deploy Payara Server on virtual machines provisioned by Amazon EC2, Microsoft Azure Virtual Machines, or container platforms like Docker and Kubernetes clusters orchestrated through Helm charts. The administration surface includes a web-based admin console, command-line interfaces similar to jboss-cli, and configuration files in domains and nodes akin to multi-instance architectures used by WebLogic Server. Operational practices commonly integrate CI/CD pipelines built with Jenkins, GitLab CI, or GitHub Actions to automate build, test, and deployment processes. Backup and disaster recovery approaches often mirror database and middleware strategies used by PostgreSQL and MySQL administrators in enterprise contexts.

Performance and Scalability

Payara Server implements horizontal scaling through clustering and session distribution across nodes, leveraging in-memory data grids comparable to Hazelcast and distributed caching approaches used by Redis. Performance tuning uses JVM optimizations familiar to operators of OpenJDK and Oracle JDK runtimes, GC tuning procedures applied in latency-sensitive environments such as those at Netflix and high-frequency trading firms. Benchmarks and load tests are typically conducted with tools like Apache JMeter and Gatling, and deployments target autoscaling patterns supported by Kubernetes Horizontal Pod Autoscaler and cloud-provider load balancers employed by Amazon Web Services and Google Cloud Platform.

Security and Compliance

Security features include TLS/SSL configuration compatible with Let's Encrypt and enterprise PKI, role-based access control integrated with LDAP and Active Directory, and support for OAuth2/OpenID Connect through identity solutions like Keycloak and Auth0. The product addresses compliance regimes by enabling auditing and logging patterns used to meet standards comparable to PCI DSS and SOC 2 requirements in regulated industries such as banking and healthcare institutions like Mayo Clinic and pharmaceutical companies complying with FDA-related controls. Vulnerability management is coordinated with common CVE workflows and patch distribution practices observed in the Linux Foundation and other open-source stewardship communities.

Category:Java application servers