Welcome to LiveRecorder for Java!

Version

6.12.0

This documentation explains how to use LiveRecorder for Java - Undo’s flagship product platform for rapid software defect diagnosis & resolution.

LiveRecorder for Java comprises:

  • Recording Java agent.

  • Replay tool.

  • IntelliJ IDEA plugin.

Version History

Release 6.12

  • Revamped IntelliJ plugin

  • Added support for IntelliJ IDEA 2023.1.

  • Support for other JVM languages such as Kotlin and Scala

  • New Log Viewer window

  • Improved Bookmarks support

  • Ability to start/stop recording by sending a signal

  • New method profiling command

  • Step across (and new jump to span id) supports OpenTelemetry span ids

  • New Extracting classfiles command to extract class files from a recording

Release 6.11

  • Improved performance.

Release 6.10

  • Added support for stepping backwards and forwards between the component services in an application architected as a set of Microservices.

Release 6.9

  • Added support for IntelliJ IDEA 2022.2.

  • Added support for Java 18.

Release 6.8

  • Added support for recording and replaying applications under WSL2 on Windows.

  • Added support for IntelliJ IDEA 2022.1. Dropped support for IntelliJ IDEA 2020 and earlier.

Release 6.7

  • >20% faster than 6.6 on typical Spring Boot applications.

  • Added support for Java 17.

Release 6.6

  • Adds “Log Jump” - jump from a log line of interest to the exact point in time in your application’s execution where it was emitted.

  • Added support for IntelliJ IDEA 2021.3. Dropped support for IntelliJ IDEA 2019 and earlier.

Release 6.5
Release 6.4

  • Faster interactive performance in IntelliJ when replaying recordings.

  • Added support for Java 16.

Release 6.3

  • Improved variable display when replaying JIT-optimzed code.

  • Faster interaction in IntelliJ when stepping through recordings with a deep call stack.

  • Added support for IntelliJ IDEA 2021.1.

Release 6.2

  • Added support for time travel debugging of “live” applications, in addition to time travel debugging of recorded applications.

  • Added support for Java 15.

Release 6.1

  • Added support for IntelliJ IDEA 2020.2. Dropped support for IntelliJ IDEA 19.1 and earlier.

Release 6.0

  • First LiveRecorder release with support for the Java language.