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serialization: Java serialization companion code (UID drift, JEP 290/415 filters, records, JSON/Protobuf comparison)

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Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01KqJyCidz3ZgRyHABv2GVJh
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Claude
2026-09-30 19:03:40 +00:00
parent b31c6716a3
commit 97e7352f45
31 changed files with 867 additions and 0 deletions
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serialization/output/04-readobject-runs-code.txt
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application expects a Greeting and writes: String greeting = (Greeting) in.readObject()
>>> Noisy.readObject() is running -- code of the class named in the stream
ClassCastException AFTER the side effect: class com.ankurm.serialization.ReadObjectRunsCodeDemo$Noisy cannot be cast to class com.ankurm.serialization.ReadObjectRunsCodeDemo$Greeting (com.ankurm.serialization.ReadObjectRunsCodeDemo$Noisy and com.ankurm.serialization.ReadObjectRunsCodeDemo$Greeting are in unnamed module of loader 'app')
same bytes, allow-list filter that only admits Greeting:
InvalidClassException: filter status: REJECTED