Embedded Debugging for N-Tiered Application State Monitoring
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Solution Overview
Problem
Conventional debuggers face challenges in tracking down runtime problems in complex multi-threaded or distributed systems, as they alter the internal timing of software, making it difficult to replicate issues in production environments, and require users to manage multiple windows synchronously, which complicates debugging in n-tiered architectures.
Innovation Solution
The solution involves embedding debugging functionality within the application, allowing users to toggle debug mode on and off without launching additional tools, with the runtime engine collecting and presenting state information at breakpoints directly within the production environment, eliminating the need for synchronized windows and maintaining the application's underlying behavior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional debugger is used to test and debug programs, then debugging functionality is provided, but the internal timing of the software program is changed, causing the program to behave differently than in normal operation
Solution Approach 1:
The patent creates a virtual copy of the production environment (virtual machine) that replicates the exact runtime conditions. This copy allows debugging operations to be performed on the replicated environment rather than the original, preventing timing alterations from affecting the actual production system while maintaining identical behavioral characteristics for accurate problem reproduction.
Solution Approach 2:
The virtual machine acts as an intermediary between the debugger and the production system. All debugging operations are routed through this intermediate layer, which isolates the production environment from direct debugger interference while still allowing state inspection and control operations to function.
2Reliability
If conventional debuggers operate with separate client and server windows, then debugging functionality is provided, but users must keep multiple windows open and synchronized, increasing operational complexity
Solution Approach 1:
The patent merges the client and server debugger windows into a single integrated interface. The virtual machine runtime engine handles server-side operations while presenting a unified client-side interface to the user, eliminating the need to manually synchronize multiple windows while maintaining full debugging capabilities across the distributed system.
3Adaptability or versatility
If design-time debuggers connect to runtime engines, then debugging is integrated into development tools, but synchronized display of debugger and end-user interfaces becomes problematic
Solution Approach 1:
The patent segments the debugging system into distinct functional components: the virtual machine runtime engine that handles execution and state management, and the debugger interface that provides user interaction. This segmentation allows each component to operate independently with well-defined interfaces, eliminating synchronization problems between debugger and end-user displays while maintaining integration benefits.
Data Source
AI summary
In one embodiment, a method for providing a debugging functionality embedded in an application supporting an n-tiered architecture includes determining that the debugging functionality embedded in the application is requested, and causing current state information to be presented to a user at each break point in the production environment.