Historical source and scope
InfoQ’s December 2024 Java report discusses JDK adoption, innovation across the JVM ecosystem, open-source sustainability, WebAssembly and AI’s role in applications. Its adoption observations describe the report’s context; they are not a migration plan for every organization.
Read the original InfoQ report for the source authors’ full discussion. The following implementation review is TensorBlue’s analysis, revised in October 2026; it is not a reproduction of that report.
Start a migration with an inventory
Record the deployed JDK, framework versions, libraries, build plugins and runtime environments for each service. Identify which components constrain an upgrade and who maintains them. A fleet-wide version count is less useful than a map of dependencies and operating owners. Test one representative service before assuming the same change is safe across the fleet.
Separate compatibility from improvement
A successful build establishes only part of the migration evidence. Exercise startup, serialization, reflection-heavy paths, database access and external integrations in the target runtime. Compare production-like workloads with the previous version. If performance is part of the justification, report the environment and measurement method rather than treating a newer JDK as an automatic speed improvement.
Review library sustainability as an operating risk
For important dependencies, document maintainers, release activity, security update paths, licenses and replacement options. Decide how the team would respond if support stopped. A foundation or community initiative can inform that review, but organizational affiliation alone does not establish the security or future maintenance of every library.
Give AI integration a failure contract
For a hypothetical Java service that drafts a support reply, keep model access behind a bounded interface with timeouts, request limits and validated outputs. Decide what the application returns if the provider is unavailable or the response is unusable. Avoid letting a generated explanation become an unreviewed business action. Test this contract independently of the user interface.
Assess WebAssembly against a specific constraint
Write down why an execution boundary is needed: portability, deployment isolation or controlled extension behavior. Evaluate the intended runtime, host interfaces, debugging and resource limits with a small representative component. Do not infer that a technology’s growing attention makes it the default replacement for an existing JVM service.
Ship a reversible upgrade
Use staged deployment, observable error and latency signals, and a tested rollback path. Record data-format changes that might prevent restoring the prior application version. A migration should leave the operating team with clear evidence and recovery steps, not only an upgraded build file. Read our 2025 review for a later set of modernization and JVM AI questions.
Compare the other annual review, explore our technology selection guide, or discuss a scoped implementation.