{"record":{"id":"ee6990e2328def8b","repo":"MuntashirAkon/AppManager","slug":"could-not-cache-the-apk-file","errorCode":null,"errorMessage":"Could not cache the APK file","messagePattern":"Could not cache the APK file","errorType":"exception","errorClass":"ApkFile.ApkFileException","httpStatus":null,"severity":"error","filePath":"app/src/main/java/io/github/muntashirakon/AppManager/apk/ApkUtils.java","lineNumber":201,"sourceCode":"                    continue;\n                }\n                ByteArrayOutputStream buffer = new ByteArrayOutputStream();\n                byte[] buf = new byte[IoUtils.DEFAULT_BUFFER_SIZE];\n                int n;\n                while (-1 != (n = zipInputStream.read(buf))) {\n                    buffer.write(buf, 0, n);\n                }\n                return ByteBuffer.wrap(buffer.toByteArray());\n            }\n        } catch (IOException e) {\n            Log.w(TAG, \"Could not fetch AndroidManifest.xml from APK stream, trying an alternative...\", e);\n        }\n        // This could be due to a Zip error, try caching the APK\n        File cachedApk;\n        try {\n            cachedApk = FileCache.getGlobalFileCache().getCachedFile(apkInputStream, \"apk\");\n        } catch (IOException e) {\n            throw new ApkFile.ApkFileException(\"Could not cache the APK file\", e);\n        }\n        ByteBuffer byteBuffer;\n        try {\n            byteBuffer = getManifestFromApk(cachedApk);\n        } finally {\n            FileCache.getGlobalFileCache().delete(cachedApk);\n        }\n        return byteBuffer;\n    }\n\n    @NonNull\n    public static HashMap<String, String> getManifestAttributes(@NonNull ByteBuffer manifestBytes)\n            throws ApkFile.ApkFileException {\n        try (BlockReader reader = new BlockReader(manifestBytes.array())) {\n            HashMap<String, String> manifestAttrs = new HashMap<>();\n            ResXmlDocument xmlBlock = new ResXmlDocument();\n            try {\n                xmlBlock.readBytes(reader);","sourceCodeStart":183,"sourceCodeEnd":219,"githubUrl":"https://github.com/MuntashirAkon/AppManager/blob/0152f468fc9463ee02dc2ca83f6fe4989a2c4ca5/app/src/main/java/io/github/muntashirakon/AppManager/apk/ApkUtils.java#L183-L219","documentation":"When direct manifest extraction fails, getManifestFromApk falls back to caching the input stream to a temp file via FileCache before re-parsing. If getCachedFile throws IOException, this ApkFileException 'Could not cache the APK file' is thrown.","triggerScenarios":"Calling a getManifestFromApk overload that takes an InputStream, where the global FileCache cannot write the cached file — getCachedFile(apkInputStream, \"apk\") throws IOException.","commonSituations":"No free disk space in the cache directory, cache directory not writable (permissions/SELinux), stream IO error while copying, or storage volume unmounted.","solutions":["Check free disk space where FileCache stores global cache files","Verify the cache directory exists and is writable","Ensure the InputStream is readable and not closed prematurely","Initialize/open the global FileCache before calling this API","Read the wrapped IOException cause for the exact filesystem error"],"exampleFix":"// before\nInputStream apkStream = uriToStream(uri);\nApkUtils.getManifestFromApk(apkStream);\n// after\nFile tmp = File.createTempFile(\"apk\", \".apk\", ensureWritableCacheDir());\ntry (InputStream in = uriToStream(uri); OutputStream out = new FileOutputStream(tmp)) {\n    IoUtils.copy(in, out);\n    ApkUtils.getManifestFromApk(tmp);\n}","handlingStrategy":"try-catch","validationCode":"File cacheDir = new File(context.getCacheDir(), \"apk-cache\");\nif (!cacheDir.isDirectory() && !cacheDir.mkdirs()) throw new IOException(\"Cache dir unwritable\");\nif (cacheDir.getUsableSpace() < 64 * 1024 * 1024L) throw new IOException(\"Low disk space\");","typeGuard":null,"tryCatchPattern":"try (InputStream in = apkInputStream) {\n    return ApkUtils.getManifestFromApk(in);\n} catch (ApkFile.ApkFileException e) {\n    if (e.getMessage() != null && e.getMessage().contains(\"Could not cache\")) {\n        Log.e(TAG, \"Cache write failed: check disk space/permissions\", e);\n    }\n    throw e;\n}","preventionTips":["Monitor and free disk space before large APK operations","Ensure the global FileCache is initialized and its directory is writable","Never pass already-closed or unreadable InputStreams"],"tags":["apk","cache","io","disk"],"backgroundTag":"file-write-failed","analyzedSha":"0152f468fc9463ee02dc2ca83f6fe4989a2c4ca5","analyzedAt":"2026-09-12T14:03:37.243Z","contentChangedAt":"2026-09-12T14:03:37.243Z","schemaVersion":2},"datasetVersion":"2026-09-14T16:17:12.679Z"}