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Details

Replace extraction backend with SevenZipJBinding + Zip4j JVM sidecar

- New JVM sidecar (resources/extractor-jvm/) using SevenZipJBinding for
  RAR/7z/TAR and Zip4j for ZIP multipart, matching JDownloader 2 stack
- Auto/JVM/Legacy backend modes via RD_EXTRACT_BACKEND env variable
- Fallback to legacy UnRAR/7z when JVM runtime unavailable
- Fix isJvmRuntimeMissingError false positives on valid extraction errors
- Cache JVM layout resolution to avoid repeated filesystem checks
- Route nested ZIP extraction through JVM backend consistently

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-03 02:08:42 +01:00

676 B

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JVM extractor runtime

This directory contains the Java sidecar runtime used by src/main/extractor.ts.

Included backends

sevenzipjbinding for the primary extraction path (RAR/7z/ZIP and others)
zip4j for ZIP multipart handling (JD-style split ZIP behavior)

Layout

classes/ compiled JBindExtractorMain classes
lib/ runtime jars required by the sidecar
src/ Java source for the sidecar

Rebuild notes

The checked-in classes are Java 8 compatible and built from:

resources/extractor-jvm/src/com/sucukdeluxe/extractor/JBindExtractorMain.java

If you need to rebuild, compile against the jars in lib/ with a Java 8-compatible compiler.

676 B Raw Blame History

JVM extractor runtime

Included backends

Layout

Rebuild notes

676 B

Raw Blame History