Purpose
As outlined in our Support Bulletin, Contrast announced its end of support for Java 6 and 7 with the launch of the Contrast Java agent 4.0 in July of 2022. This page aims to answer our most frequently asked questions around what this means for you.
Table of Contents
- Am I supported running Java Agent 3.x?
- When was Java Agent 4.0 released?
- Is Java Agent 3.x still available for download?
- Can I use Java 6/7 applications with Java Agent 4.0?
- Can I request a feature for Java Agent 3.x?
- Can I request a fix for Java Agent 3.x?
FAQs
Am I supported running Java Agent 3.x?
No, licensed Java Agents are supported for 1 year from release. Support for the last 3.x version ended in July 2023. Please see the "Maintenance and fixes" section of the Contrast Support Reference Guide for more details.
While it is possible to continue using the 3.x agent, it's available as is and will no longer receive new features or fixes.
When was Java Agent 4.0 be released?
July 2022.
Is Java Agent 3.x still available for download?
Yes, all published Agents are available through Maven Central and Linux package repositories for Debian and RedHat.
These artifacts will not be removed and will continue to be publicly available.
Can I use Java 6/7 applications with Java Agent 4.0?
No, Java Agent 4.0 is built on the JVM 8 JDK.
Attempting to run Java 6/7 applications with Java Agent 4.0, you may see the following error in the console and the application will not be instrumented by the agent:
java.lang.UnsupportedClassVersionError ... Unsupported major.minor version 52.0
Can I request a feature for Java Agent 3.x?
No, Java Agent 3.x will no longer be receiving additional features or frameworks.
Can I request a fix for Java Agent 3.x?
No, as Java Agent 3.x releases are no longer supported there's unfortunately no means of delivering fixes.