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Status Not under consideration
Created by Guest
Created on Mar 19, 2024

JDK 17 support for tWAS

JDK 17 is not supported for tWAS with Filent. We were advised to use JDK 18 Liberty

Idea priority High
  • Admin
    Graham Charters
    Apr 17, 2024

    Thank you for taking the time to raise this enhancement request. Support for later JDK levels with traditional WebSphere is something we are constantly evaluating. However, at present, the majority of WebSphere clients want their traditional WebSphere applications to be stable, with low investment. Oracle introduced a number of breaking changes in Java 9+ and so adding Java 11 to traditional WebSphere would force all applications to go through a costly migration with little to no benefit. This is why it is our intention to support traditional WebSphere 8.5.5 and 9.0.5 on Java 8 for a long time - see

    Given moving from Java 8 to Java 11 requires a costly migration, we believe it better to do that with additional business benefits. This is why we support later Java version with WebSphere Liberty and provide migration tools to help. WebSphere Liberty is a modern, lightweight runtime that can run traditional monolithic applications with high scale with high performance, in VMs, as well as being optimized to run modern lightweight cloud-native applications in containers. Our recommendation is therefore to run FileNet on Liberty when a later JDK level is required.