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When working out why an application has gone wrong we often find ourselves working with very limited information - we find ourselves looking at a stack trace caused by an uncaught exception, or looking at a ConcurrentModificationException where the interfering thread is unknown, or looking at a NullPointerException where we have no information on why member variables weren’t initialised.

We ask ourselves “what just happened?” and “how did i get here?”. Existing tooling including logging and Java Flight Recorder (JFR) can provide some more info over a bare stack trace. But the ability to record and reversibly replay an application allows us to actually answer these questions.

This talk will introduce Software Failure Replay and give an overview of the vendors and solutions available in this category of software failure resolution. Finally we demo how to use LiveRecorder for Java to obtain a recording of a Java application, how that recording can be used to diagnose a number of these difficult yet everyday problems, and why LiveRecorder customers are using it to resolve bugs faster, accelerate delivery and reduce engineering costs.

About the speaker

Jonathan oversees Undo’s range of Record and Replay products. He is passionate about providing Undo’s customers with cutting-edge products that deliver an enchanting user experience.

Jonathan has over twenty years’ experience in the software industry in both development and marketing roles; including as a kernel engineer at Acorn and Psion, an Engineering manager and Product manager at Symbian Ltd, and CTO and Product Strategist at Tizen Association.

Jonathan and Zoe will also be running a raffle during this event. Anyone who registers to attend will receive entry into a prize draw to win a years subscription to O’Reilly online learning - worth $499. The winner will be announced on the night.

This is an online event starting at 7 pm BST.

This event is organised by RecWorks on behalf of the London Java Community.

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