iBotPeaches/Apktool · error · AndrolibException

Could not find resources.arsc in file: {apkFile}

Error message

Could not find resources.arsc in file: {apkFile}

What it means

AndrolibException thrown by ResTable.loadPackagesFromApk() when the opened zip directory does not contain a resources.arsc entry. That entry is the compiled resource table and is mandatory for loading a package; its absence means the zip is not a resource-bearing APK from the parser's perspective (even though the zip itself opened fine).

Source

Thrown at brut.apktool/apktool-lib/src/main/java/brut/androlib/res/table/ResTable.java:122

            // Empty resources.arsc, create a dummy package group.
            pkgGroup = new ResPackageGroup(this, 0, "");
            mPackageGroups.put(0, pkgGroup);
        } else if (mPackageGroups.containsKey(APP_PACKAGE_ID)) {
            // Prefer the standard app package group.
            pkgGroup = mPackageGroups.get(APP_PACKAGE_ID);
        } else {
            // Fall back to the first package group in the table.
            pkgGroup = mPackageGroups.values().iterator().next();
        }

        mMainPackage = pkgGroup.getBasePackage();
    }

    private void loadPackagesFromApk(File apkFile, ZipRODirectory zipDir, boolean isMainPackage)
            throws AndrolibException {
        try {
            if (!zipDir.containsFile("resources.arsc")) {
                throw new AndrolibException("Could not find resources.arsc in file: " + apkFile);
            }

            try (InputStream in = zipDir.getFileInput("resources.arsc")) {
                BinaryResourceParser parser = isMainPackage
                    ? new BinaryResourceParser(this, mConfig.isKeepBrokenResources(), mConfig.isDecodeResolveGreedy())
                    : new BinaryResourceParser(this, true, true);
                parser.parse(in);

                // Only flag the app for the main package.
                if (isMainPackage) {
                    if (parser.hasSparseEntries()) {
                        mApkInfo.getResourcesInfo().setSparseEntries(true);
                    }
                    if (parser.hasCompactEntries()) {
                        mApkInfo.getResourcesInfo().setCompactEntries(true);
                    }
                }
            }

View on GitHub (pinned to 79b63384d7)

Solutions

1. Load the base APK (the split containing AndroidManifest.xml and resources.arsc), not a feature split.
2. If processing a bundle, extract it and select the APK whose zip listing shows resources.arsc (unzip -l base.apk | grep resources.arsc).
3. If the app genuinely has no compiled resources, skip ResTable loading for that file rather than erroring.
4. Catch AndrolibException from load() and check the message to distinguish 'no arsc' from 'cannot open zip' (error 58).

Example fix

// before
resTable.load(); // throws on arsc-less splits

// after
if (zipDir.containsFile("resources.arsc")) {
    resTable.load();
} else {
    Log.i(TAG, apkPath + " has no resources.arsc; skipping resource table load");
}

// Verify resources.arsc presence before loading the table
ZipRODirectory zipDir = (ZipRODirectory) apkInfo.getApkFile().getDirectory();
if (!zipDir.containsFile("resources.arsc")) {
    Log.i(TAG, "No resources.arsc in " + apkPath + "; skipping resource table");
    return;
}

try {
    resTable.load();
} catch (AndrolibException ex) {
    if (String.valueOf(ex.getMessage()).contains("Could not find resources.arsc")) {
        // wrong APK (split without resources) -> load the base APK instead
    }
}

When it happens

Trigger: Loading a zip/apk that has no resources.arsc: plain jars, some native-library splits, asset-only APKs, or split APKs where resources live only in the base; renamed arsc entries after repackaging; APKs stripped by size optimizers.

Common situations: Pointing the decoder at a config split or native split instead of the base APK; .jar/.zip inputs; apps minified with tools that drop resources.arsc when the app is resource-free.

Related errors

• Could not open apk file: {apkFile}
• Could not load resources.arsc from file: {apkFile}
• Legacy aapt is no longer supported.
• Could not find resources.arsc in file:
• No packages in resources.arsc in file.

AI-assisted analysis of iBotPeaches/Apktool@79b63384d7 (2026-08-14). Data as JSON: /api/errors/f5271ebee0b23955. Report an issue: GitHub.