Amazon Corretto

Name: Amazon Corretto
Brand: Amazon Web Services (AWS)
Rating: 4.5 (128 reviews)

Leader

Official Global LinkedIn page for Amazon Web Services (AWS).

Est 2006|Valuation $2560B|1 Ref Customers

LinkedIn 10.9M|Website|Web traffic 1.1M|FTEs 148,001|HQ Seattle, Washington, US

Published Oct 13, 2026

01Common complaints

Organizations that require JavaFX bundled with Java 8 after March 31, 2026
- AWS has stated Corretto 8 will no longer include JavaFX after that date. Consider alternatives that package JavaFX or plan a separate JavaFX distribution strategy.
Organizations that require explicit, contractually guaranteed JVM support SLAs
- Corretto’s primary support pathways are upstream OpenJDK resources, Corretto GitHub issues, and general AWS Support Plans when those are already in place. Organizations requiring vendor-backed JVM troubleshooting with SLAs should consider Azul, Red Hat OpenJDK, or other vendors with explicit enterprise support offerings.
Organizations seeking maximum vendor neutrality
- Organizations intentionally avoiding cloud-vendor coupling may prefer Temurin or other vendor-neutral distributions.
Organizations that need specialty runtime behavior (e.g., OpenJ9 memory footprint optimizations)
- IBM Semeru (OpenJ9) is often chosen for lower memory footprint scenarios; Corretto uses HotSpot and aligns with mainstream HotSpot builds.

Sources:

JavaFX support change: https://aws.amazon.com/corretto/faqs/
IBM Semeru/OpenJ9 memory differences (third-party analysis): https://piotrminkowski.com/2023/02/17/which-jdk-to-choose-on-kubernetes/

1. Organizations that require JavaFX bundled with Java 8 after March 31, 2026 - AWS has stated Corretto 8 will no longer include JavaFX after that date. Consider alternatives that package JavaFX or plan a separate JavaFX distribution strategy. 2. Organizations that require explicit, contractually guaranteed JVM support SLAs - Corretto’s primary support pathways are upstream OpenJDK resources, Corretto GitHub issues, and general AWS Support Plans when those are already in place. Organizations requiring vendor-backed JVM troubleshooting with SLAs should consider Azul, Red Hat OpenJDK, or other vendors with explicit enterprise support offerings. 3. Organizations seeking maximum vendor neutrality - Organizations intentionally avoiding cloud-vendor coupling may prefer Temurin or other vendor-neutral distributions. 4. Organizations that need specialty runtime behavior (e.g., OpenJ9 memory footprint optimizations) - IBM Semeru (OpenJ9) is often chosen for lower memory footprint scenarios; Corretto uses HotSpot and aligns with mainstream HotSpot builds. Sources: - JavaFX support change: https://aws.amazon.com/corretto/faqs/ - IBM Semeru/OpenJ9 memory differences (third-party analysis): https://piotrminkowski.com/2023/02/17/which-jdk-to-choose-on-kubernetes/

Deal disqualifiers (poor fit)

Organizations requiring formal JVM vendor SLAs and contractual troubleshooting commitments.
Organizations relying on JavaFX being bundled with Corretto 8 after the vendor's announced cutoff date.

Sources:

Official vendor documentation (Corretto LTS calendar and JavaFX note)

Vendor-acknowledged or announced limitations

JavaFX packaging change: JavaFX support will be removed from Corretto 8 after March 31, 2026. Organizations relying on bundled JavaFX must plan migration or separate JavaFX distribution strategies.

Sources:

AWS Corretto FAQs: https://aws.amazon.com/corretto/faqs/
AWS "What’s New" EOL extension post: https://aws.amazon.com/about-aws/whats-new/2024/10/extension-eol-dates-amazon-corretto-8-11/

- JavaFX packaging change: JavaFX support will be removed from Corretto 8 after March 31, 2026. Organizations relying on bundled JavaFX must plan migration or separate JavaFX distribution strategies. Sources: - AWS Corretto FAQs: https://aws.amazon.com/corretto/faqs/ - AWS "What’s New" EOL extension post: https://aws.amazon.com/about-aws/whats-new/2024/10/extension-eol-dates-amazon-corretto-8-11/

Practical limitations noted in reviews and community forums

Some users report lower ecosystem visibility or tooling compared with other distributions.
Container memory and cgroups behavior can be confusing; these issues affect many JVM distributions and require operational knowledge when deploying in containers.

Sources:

G2 reviews: https://www.g2.com/products/amazon-corretto/reviews
Reddit container memory thread: https://www.reddit.com/r/java/comments/uqrr88

- Some users report lower ecosystem visibility or tooling compared with other distributions. - Container memory and cgroups behavior can be confusing; these issues affect many JVM distributions and require operational knowledge when deploying in containers. Sources: - G2 reviews: https://www.g2.com/products/amazon-corretto/reviews - Reddit container memory thread: https://www.reddit.com/r/java/comments/uqrr88

Support lifecycle considerations

AWS publishes a support calendar; organizations need to plan upgrades around end-of-life dates and application/framework compatibility (for example, frameworks may have compatibility constraints with newer JDK versions).

Source:

Corretto support calendar: https://aws.amazon.com/corretto/faqs/

- AWS publishes a support calendar; organizations need to plan upgrades around end-of-life dates and application/framework compatibility (for example, frameworks may have compatibility constraints with newer JDK versions). Source: - Corretto support calendar: https://aws.amazon.com/corretto/faqs/

02Why they buy

Differentiators with supporting signals

No-charge LTS with a published support calendar: AWS publishes GA dates, planned update windows, and end-of-life dates for Corretto releases.
Alignment with AWS packaging and distribution: Corretto is commonly available in AWS distributions and container images, simplifying usage in AWS-centric environments.

Sources:

Corretto FAQs (support calendar): https://aws.amazon.com/corretto/faqs/
Corretto product page: https://aws.amazon.com/corretto/

- No-charge LTS with a published support calendar: AWS publishes GA dates, planned update windows, and end-of-life dates for Corretto releases. - Alignment with AWS packaging and distribution: Corretto is commonly available in AWS distributions and container images, simplifying usage in AWS-centric environments. Sources: - Corretto FAQs (support calendar): https://aws.amazon.com/corretto/faqs/ - Corretto product page: https://aws.amazon.com/corretto/

Claims requiring validation or workload-specific testing

Performance-related claims: reported performance improvements are workload-dependent; third-party benchmarks often show minimal differences among mainstream HotSpot builds for typical workloads. Buyers should validate performance claims with representative workloads in their own environments.

Source (third-party commentary):

Comparative discussion of differences among distributions: https://www.javathinking.com/blog/differences-amazon-corretto-and-openjdk/

- Performance-related claims: reported performance improvements are workload-dependent; third-party benchmarks often show minimal differences among mainstream HotSpot builds for typical workloads. Buyers should validate performance claims with representative workloads in their own environments. Source (third-party commentary): - Comparative discussion of differences among distributions: https://www.javathinking.com/blog/differences-amazon-corretto-and-openjdk/

Areas where competitors may have an advantage

Commercial support and SLAs: Azul and Red Hat may provide stronger contractual support options for organizations that need vendor accountability.
Specialty runtimes: OpenJ9 (IBM Semeru) for memory footprint optimization; GraalVM for polyglot and native-image use cases (these are separate ecosystems with overlapping but distinct goals).

Sources:

Azul pricing/support positioning: https://www.azul.com/products/pricing/
OpenJ9 memory analysis: https://piotrminkowski.com/2023/02/17/which-jdk-to-choose-on-kubernetes/

- Commercial support and SLAs: Azul and Red Hat may provide stronger contractual support options for organizations that need vendor accountability. - Specialty runtimes: OpenJ9 (IBM Semeru) for memory footprint optimization; GraalVM for polyglot and native-image use cases (these are separate ecosystems with overlapping but distinct goals). Sources: - Azul pricing/support positioning: https://www.azul.com/products/pricing/ - OpenJ9 memory analysis: https://piotrminkowski.com/2023/02/17/which-jdk-to-choose-on-kubernetes/

03Field reports

Corretto has multiple vendor-claimed production usages, but publicly available, quantified case studies that report measurable outcomes are less prominent compared with paid enterprise JVM vendors.

Review platform signals (G2)

G2 has product reviews for Amazon Corretto, though the sample size may be limited compared with typical enterprise SaaS tools.

Summary examples from reviews:

Positive review (G2): A reviewer highlighted the absence of licensing fees and reported value in enterprise upgrade contexts (for example, cost savings relative to Oracle JDK).
More critical review (G2): A reviewer noted that updates can lag behind the latest OpenJDK features and observed that tooling or ecosystem visibility can be more limited compared with some other JDK distributions.

Source:

G2 product reviews page

G2 has product reviews for Amazon Corretto, though the sample size may be limited compared with typical enterprise SaaS tools. Summary examples from reviews: - Positive review (G2): A reviewer highlighted the absence of licensing fees and reported value in enterprise upgrade contexts (for example, cost savings relative to Oracle JDK). - More critical review (G2): A reviewer noted that updates can lag behind the latest OpenJDK features and observed that tooling or ecosystem visibility can be more limited compared with some other JDK distributions. Source: - G2 product reviews page

Community / Reddit themes (positive and negative)

Community feedback often focuses on operational aspects (installers, registry keys, update mechanisms, container behavior).

Examples of community commentary (Reddit):

Operational compatibility on Windows: One contributor noted Corretto adds Windows registry entries expected by some legacy software that previously relied on Oracle's installers.
Update/control concerns: Community discussion includes concerns about automatic updates and the need to pin specific Corretto builds in some environments.
JavaFX packaging questions: Threads ask whether Corretto includes JavaFX; AWS has indicated changes to JavaFX inclusion/support for Corretto 8.

Sources:

Sysadmin community thread discussing registry entries
Community thread discussing update/version control practices
JavaFX community thread asking about distribution packaging
Official vendor FAQs regarding Corretto and JavaFX support

Community feedback often focuses on operational aspects (installers, registry keys, update mechanisms, container behavior). Examples of community commentary (Reddit): - Operational compatibility on Windows: One contributor noted Corretto adds Windows registry entries expected by some legacy software that previously relied on Oracle's installers. - Update/control concerns: Community discussion includes concerns about automatic updates and the need to pin specific Corretto builds in some environments. - JavaFX packaging questions: Threads ask whether Corretto includes JavaFX; AWS has indicated changes to JavaFX inclusion/support for Corretto 8. Sources: - Sysadmin community thread discussing registry entries - Community thread discussing update/version control practices - JavaFX community thread asking about distribution packaging - Official vendor FAQs regarding Corretto and JavaFX support

Hacker News

A direct Hacker News discussion thread specifically about Corretto was not clearly identified in the accessible results for this run. Hacker News typically discusses Java licensing and OpenJDK distributions generally rather than Corretto specifically.

Reported reasons for selection (from reviews and community)

Avoiding Oracle Java licensing costs
Alignment with AWS packaging and distribution practices
Availability of LTS builds and a published patch calendar
Convenience when using AWS-centric Linux distributions

Reported reasons for migration away or preference for competitors

Need for commercial JVM support SLAs (often leading to vendors offering paid support)
Preference for a vendor-neutral governance model (Eclipse Temurin/Adoptium)
Specific packaging requirements (for example, JavaFX inclusion changes for Corretto 8)

Sources (contextual):

Official vendor documentation and FAQs
Competitor product blog and comparative positioning materials
Community discussion threads (Reddit and other forums)

- Need for commercial JVM support SLAs (often leading to vendors offering paid support) - Preference for a vendor-neutral governance model (Eclipse Temurin/Adoptium) - Specific packaging requirements (for example, JavaFX inclusion changes for Corretto 8) Sources (contextual): - Official vendor documentation and FAQs - Competitor product blog and comparative positioning materials - Community discussion threads (Reddit and other forums)

Vendor-claimed internal usage

AWS states that Corretto is used internally on many Amazon production services.
Critical note: This is a vendor claim; Amazon does not publish a reproducible methodology, workload mix, or a public reliability report that attributes outcomes directly to Corretto.

Source:

Official vendor product page (AWS Corretto)

ACCP (Amazon Corretto Crypto Provider) as an applied example

AWS introduced ACCP to provide cryptographic performance improvements for certain workloads.
Critical note: ACCP announcements are feature-level information rather than independent case studies. Organizations should validate performance claims against their own crypto-heavy workloads (TLS termination, signing, JWT processing, etc.).

Source:

Official vendor blog post (ACCP announcement)

Practical compatibility notes from third parties

Some vendor documentation and knowledge base articles recommend Corretto as a replacement for Oracle JRE in specific products, indicating compatibility in certain contexts.
Critical note: These are compatibility notes rather than outcome or ROI case studies.

Source:

Third-party vendor knowledge base article (TASKING KB)

04Best fit

Company sizes

Mid-market to enterprise organizations that operate multiple Java services, and small organizations with sensitivity to Oracle licensing costs.
Typical fit when platform or DevOps teams can manage patching and testing.

Industries

Organizations with substantial JVM footprints (e-commerce, SaaS, fintech, telecom)
Sectors with compliance-driven patch discipline (though not necessarily requiring JVM vendor SLAs)
AWS-centric infrastructure environments

Roles and personas

Decision makers: Platform engineering, DevOps leadership, CTO/CIO, procurement/IT asset management (particularly those focused on Oracle licensing)
End users: Java developers, SREs, build and release engineers

Pain points addressed

Oracle Java subscription cost and audit exposure
Need for LTS Java builds with a published patch calendar
Standardization of runtime across dev/test/prod environments

Qualification criteria (good fit)

Organizations seeking a no-cost OpenJDK distribution with a published LTS roadmap and maintenance from AWS.
Organizations comfortable with community-based and GitHub issue tracker support processes.
Organizations primarily operating on AWS where Corretto packaging and distribution align with platform tooling.

05The pitch

What the product does (core value proposition)

Corretto is used both as:

A developer/runtime JDK installed on servers, desktops, CI agents
A base runtime in containers (e.g., amazoncorretto Docker images)
A default JVM choice for Java applications running on AWS services/environments (particularly in AWS-centered deployments)

Vendor positioning claims (to treat critically): AWS states Corretto is intended for production use, Java SE compatible, and used internally on many Amazon production services. These claims are plausible but are vendor statements and are not independently audited in a public, third-party methodology.

Sources:

Official vendor product overview and feature pages
Official vendor FAQs and support documentation

Amazon Corretto is Amazon Web Services’ distribution of OpenJDK (the open-source reference implementation of the Java Platform). It is provided at no charge and is available across multiple platforms, with an advertised focus on long-term support (LTS) and regular updates that include security fixes and performance adjustments. Corretto is designed to be a compatible replacement for other Java SE-compatible distributions in many application deployments. Corretto is used both as: - A developer/runtime JDK installed on servers, desktops, CI agents - A base runtime in containers (e.g., amazoncorretto Docker images) - A default JVM choice for Java applications running on AWS services/environments (particularly in AWS-centered deployments) Vendor positioning claims (to treat critically): AWS states Corretto is intended for production use, Java SE compatible, and used internally on many Amazon production services. These claims are plausible but are vendor statements and are not independently audited in a public, third-party methodology. Sources: - Official vendor product overview and feature pages - Official vendor FAQs and support documentation

Target market and market positioning

Target users: organizations that run Java in production (from SMB to enterprise), especially those:
- seeking to avoid Oracle Java licensing costs
- wanting LTS builds without a paid subscription
- already standardized on AWS
Positioning: a free OpenJDK distribution that provides long-term support and is maintained by AWS engineering teams.

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