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Azul Support for OpenJDK FAQ

Who is Azul?

Azul is the largest company 100% focused on Java and the Java Virtual Machine (JVM), providing the world’s most trusted open source Java support and platform. Azul’s Java services and produces power Microsoft Azure; the cloud infrastructure of companies like Bazaarvoice, Priceline, and Workday; and the operations and products of Avaya, BMW, Credit Suisse, Deutsche Telekom, LG, Mastercard, Mizuho, and Software AG. Azul’s customers include 36% of the Fortune 100, 50% of Forbes Top 10 World’s Most Valuable Brands, and all 10 of the world’s Top 10 financial trading companies. Azul solutions are available for developers, ISVs, enterprises with on-prem and cloud deployments, as well as for OEMs building embedded and IoT devices.

What is Azul Support for OpenJDK on Linux?

Azul Support for OpenJDK on Linux is a simple, low-cost annual Java subscription that includes OpenJDK Support for use on Desktops, Servers or Cloud deployments. The annual subscription provides enterprise-class support services for OpenJDK as well as access to out-of-cycle patches and Java SE certified performance, stability, and security updates for OpenJDK, directly from Azul. It also includes access to Azul OpenJDK binaries for other major operating systems, including Windows, macOS, and Solaris as part of the Azul Platform Core offering. Please visit Platform Core for more information on Azul’s complete enterprise offering for Java Support.

What is the cost of Support for OpenJDK on Linux?

Desktop pricing starts at $25 per Desktop per year, or lower based volume discounts and support tier (i.e. Standard and Premium). Azul server support pricing is based on physical processor core or vcore for cloud-based deployments. Vcore pricing starts at $20 per year and psychical core is $40 per year (i.e., two vcores), or lower based volume discounts and support tier. Please see the Azul Platform Core pricing table for more information and support tier options.

What is the length of term for Support for OpenJDK on Linux?

Standard term is one year, but longer terms can be negotiated. Please contact an Azul OpenJDK Specialist to review other options.

How do I get updates with my Support for OpenJDK on Linux?

As part of Azul support services for OpenJDK on Linux, customers will have access to both quarterly Java updates from their Linux vendors as well as “updated and secure” binaries from Azul (based on a contractual SLA). Azul updates are available in both Patch Set Update (PSU) packaging, which includes security updates, bug fixes and enhancements in a given quarter, as well as Critical Patch Update (CPU) packaging, which is a binary that only contains the security fixes for the quarter. These CPUs package allow for rapid deployment with minimal testing, which can be important when a given update contain high scoring secure vulnerabilities.

Can I report a bug or request an enhancement as part of my Azul support services?

Azul offer OpenJDK customers 24x7x365 phone and email support services which includes opening bugs or filing enhancement requests. Depending on the severity of the bug, Azul will work to provide temporary workarounds or out-of-cycle patches.

Does Azul offer mission-critical support for OpenJDK on Linux?

Azul has a proven, 17-year track record supporting mission-critical Java applications within Fortune 100 accounts, 10 out 10 largest US banks, financial exchanges (e.g. LMAX, Voya, Wells Fargo, Barclays), eCommerce applications (e.g. MasterCard, Saks Fifth Avenue, Starbuck, Viking Lines), revenue-critical web sites (e.g. eBay,, and SaaS/IaaS deployments (Microsoft, Salesforce, Workday). Azul also provides mission-critical support to large partners, including Microsoft Azure, SAS, Software AG, McAfee, BlackBerry, Payara, and many embedded device manufacturers.

What are the system requirements and certified configurations for Support for OpenJDK on Linux?

The system requirements and certified configurations for Support for OpenJDK on Linux are listed in the datasheet and summarized below:
Java 8, 11 and 17
Oracle 7&8, RHEL 7&8, CentOS 7, Amazon Linux 2, Ubuntu 18.04, 20.04, SLES 12&15
x86 32- & 64-bit JDKs and JREs

Can I get access to Azul’s commercial features with Support for OpenJDK on Linux?

As part of support services for OpenJDK on Linux, customers will have access to both quarterly Java updates from their Linux vendors as well as updated and secure binaries from Azul. Azul’s OpenJDK distributions contain many of the same commercial features that the Oracle Java SE distribution contains, including Java Flight Recorder & Mission Control, Monotype fonts, JavaFX, Rhino JavaScript engine, as well as Azul features, which include TLS 1.3, FIPS 140-2 Crypto module, SWID (ISO/IEC 19770-2:2015) support, and other components.

Can I continue to use Azul OpenJDK after the support term ends?

Customers can continue to use the Azul OpenJDK products after the expiration of their Azul support subscription. All Azul builds of OpenJDK are 100% open source and are licensed under GPL.

Are Azul OpenJDK binaries “Certified” Java SE compatible and compliant?

Azul is just one of three vendors that have licensed from Oracle the OpenJDK Community Technology Compatibility Kit (TCK) for all versions of OpenJDK (e.g. Java 6, 7, 8, 9+). As such, every OpenJDK binary we build for our customers is verified compliant with the Java SE (Standard Edition) specifications using the TCKs, which ensures that the OpenJDK binary meets all the speculations of the individual JSRs for a given version of Java SE (e.g. Java 8). These TCK compliant binaries also carry Intellectual Property (IP) indemnification, which are only granted to binaries that have passed the TCKs.

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