Practical Java Problem Solving: A Hands-On Guide to Debugging
summary
Provides concrete debugging moves: use native and custom debuggers plus replay compilers (OpenJ9) to record and forward‑replay failures, take heap snapshots and decompile bytecode when backtracking fails, and apply local recreation techniques like call‑stack assimilation, injection and binary fabrication. Shows failures reproduced on PowerPC (endian header reversal fixed by one line) and a java.util.concurrent hang fixed by adding cache‑flush instructions, and demonstrates RSS is unreliable as a cloud metering metric.
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chapters (7)
- 0:00Introduction and context
- 14:10Debugging postulates and theories
- 23:06Common debugging tools
- 30:15Methodologies for anomalies
- 34:23Local recreation techniques
- 40:00Real-world field stories
- 55:45Summary and key takeaways
