Jelastic Extends Support for Java Runtimes :-

Jelastic, the Java-focused cloud hosting platform provider, today announced new support for several Java runtimes, ncluding AdoptOpenJDK, Liberica, Zulu, Corretto, OpenJ9 and GraalVM.

Jelastic built the runtimes as certified and secure container-based images with pre-configured automatic vertical scaling, explained Tetiana Fydorenchyk, Jelastic’s VP of marketing, in a blog post. The company made them available across all existing production platform installations, and Jelastic PaaS users are now able to choose the type and version of the OpenJDK distribution while creating the environment or easily change it by redeploying containers afterward.

The Palo Alto, Calif.-based Jelastic (short for Java Elastic), which was founded in 2010 by Hivetext, a Zhytomyr, Ukraine-based start-up focused on Java application development in the cloud, bills itself as the only cloud company whose underlying platform is Java. Originally a Java-based Platform-as-a-Service provider, the company has been evolving a Platform-as-Infrastructure strategy that combines PaaS with Infrastructure-as-a-Service. Jelastic’s unlimited PaaS and container-based IaaS platform is designed to allow developers to deploy Java, PHP, Ruby, Node.js, Python, and .NET enterprise apps for private, public or hybrid cloud.

Although its platform is now multilingual, the company maintains “a major focus on Java,” the company has said.

“We love organizations like Jelastic, who, like us, were created out of a community need by developers for developers,” said Martijn Verburg, director at AdoptOpenJDK, CEO of jClarity, co-organizer of the London JUG, and a member of the Java Community Process (JCP) Executive Committee, in a statement. “With well over 50 Million downloads, AdoptOpenJDK has become the defacto hub for the community to collaborate on, and we’re very happy to be added as a choice to the awesome Java hosting company PaaS that is Jelastic!”

AdoptOpenJDK uses infrastructure, build, and test scripts to produce prebuilt binaries from OpenJDK class libraries and a choice of either the OpenJDK HotSpot or Eclipse OpenJ9 VM. It’s a free and open source implementation supported by a range of companies, from IBM and Microsoft to GoDaddy and Pivotal.

Azul Systems’ Zulu implementation of the Java Standard Edition (SE) specification that contains all the Java components needed to build and run Java SE apps. Azul’s CTO Gil Tene, said his company was happy to see “a wide set of OpenJDK variants added to the Jelastic PaaS that provides customers with elasticity in both scale and runtime choice.”

Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK) certified as compatible with the Java SE standard. It comes with long-term support that includes performance enhancements and security fixes, and it allows developers it build and run Java applications on operating systems such as Amazon Linux 2, Windows, and macOS. Amazon uses it internally.

Eclipse OpenJ9 is an open source JVM optimized for small footprint, fast startup, and high throughput. It can be built as a component of OpenJDK v8 and later, and prebuilt binaries available at the AdoptOpenJDK project for Linux and Windows. Unsurprisingly, Dan Heidinga, Eclipse OpenJ9 project lead, was pleased to hear about the support. “Jelastic user focus comes across loud and clear in the broad choice of OpenJDK variants they provide on their PaaS,” he said in a statement.

Liberica is a certified, Java SE 12-compliant distribution of OpenJDK 12. It’s a 100 percent open source Java implementation built from OpenJDK by BellSoft.

The GraalVM is an extension of the JVM designed to run applications written in a range of languages, including JavaScript, Python, Ruby, and R; JVM-based languages, such as Java, Scala, and Kotlin; and LLVM-based languages, such as C and C++. Graal is the Java-based JIT compiler (JEP 317) that is the basis of the experimental AOT compiler introduced in JDK 9.

“We are glad to see Jelastic join the growing number of cloud services and open source projects that are adopting GraalVM,” said Eric Sedlar, VP and technical director at Oracle Labs. “GraalVM provides zero overhead interoperability between programming languages allowing developers to write polyglot applications and select the best language for your task.”

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