Merge 9005506cf3 into 46c56d6f92

Bump @typescript-eslint/parser from 8.35.1 to 8.46.2
Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 8.35.1 to 8.46.2. - [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases) - [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/parser/CHANGELOG.md) - [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.46.2/packages/parser) --- updated-dependencies: - dependency-name: "@typescript-eslint/parser" dependency-version: 8.46.2 dependency-type: direct:development update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
2025-11-18 18:06:11 +00:00 · 2025-11-18 18:06:07 +00:00 · 2025-11-18 12:04:23 -06:00
7 changed files with 1427 additions and 381 deletions
--- a/tests/distributors/graalvm-installer.test.ts
+++ b/tests/distributors/graalvm-installer.test.ts
--- a/dist/cleanup/index.js
+++ b/dist/cleanup/index.js
@ -94747,8 +94747,8 @@ function convertVersionToSemver(version) {
 }
 exports.convertVersionToSemver = convertVersionToSemver;
 function getGitHubHttpHeaders() {
-    const token = core.getInput('token');
-    const auth = !token ? undefined : `token ${token}`;
+    const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+    const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;
    const headers = {
        accept: 'application/vnd.github.VERSION.raw'
    };
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@ -130592,37 +130592,56 @@ const tc = __importStar(__nccwpck_require__(27784));
 const fs_1 = __importDefault(__nccwpck_require__(57147));
 const path_1 = __importDefault(__nccwpck_require__(71017));
 const base_installer_1 = __nccwpck_require__(59741);
-const util_1 = __nccwpck_require__(92629);
 const http_client_1 = __nccwpck_require__(96255);
+const util_1 = __nccwpck_require__(92629);
 const GRAALVM_DL_BASE = 'https://download.oracle.com/graalvm';
 const IS_WINDOWS = process.platform === 'win32';
 const GRAALVM_PLATFORM = IS_WINDOWS ? 'windows' : process.platform;
+const GRAALVM_MIN_VERSION = 17;
+const SUPPORTED_ARCHITECTURES = ['x64', 'aarch64'];
 class GraalVMDistribution extends base_installer_1.JavaBase {
    constructor(installerOptions) {
        super('GraalVM', installerOptions);
    }
    downloadTool(javaRelease) {
        return __awaiter(this, void 0, void 0, function* () {
-            core.info(`Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`);
-            let javaArchivePath = yield tc.downloadTool(javaRelease.url);
-            core.info(`Extracting Java archive...`);
-            const extension = (0, util_1.getDownloadArchiveExtension)();
-            if (process.platform === 'win32') {
-                javaArchivePath = (0, util_1.renameWinArchive)(javaArchivePath);
+            try {
+                core.info(`Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`);
+                let javaArchivePath = yield tc.downloadTool(javaRelease.url);
+                core.info(`Extracting Java archive...`);
+                const extension = (0, util_1.getDownloadArchiveExtension)();
+                if (IS_WINDOWS) {
+                    javaArchivePath = (0, util_1.renameWinArchive)(javaArchivePath);
+                }
+                const extractedJavaPath = yield (0, util_1.extractJdkFile)(javaArchivePath, extension);
+                // Add validation for extracted path
+                if (!fs_1.default.existsSync(extractedJavaPath)) {
+                    throw new Error(`Extraction failed: path ${extractedJavaPath} does not exist`);
+                }
+                const dirContents = fs_1.default.readdirSync(extractedJavaPath);
+                if (dirContents.length === 0) {
+                    throw new Error('Extraction failed: no files found in extracted directory');
+                }
+                const archivePath = path_1.default.join(extractedJavaPath, dirContents[0]);
+                const version = this.getToolcacheVersionName(javaRelease.version);
+                const javaPath = yield tc.cacheDir(archivePath, this.toolcacheFolderName, version, this.architecture);
+                return { version: javaRelease.version, path: javaPath };
+            }
+            catch (error) {
+                core.error(`Failed to download and extract GraalVM: ${error}`);
+                throw error;
            }
-            const extractedJavaPath = yield (0, util_1.extractJdkFile)(javaArchivePath, extension);
-            const archiveName = fs_1.default.readdirSync(extractedJavaPath)[0];
-            const archivePath = path_1.default.join(extractedJavaPath, archiveName);
-            const version = this.getToolcacheVersionName(javaRelease.version);
-            const javaPath = yield tc.cacheDir(archivePath, this.toolcacheFolderName, version, this.architecture);
-            return { version: javaRelease.version, path: javaPath };
        });
    }
    findPackageForDownload(range) {
        return __awaiter(this, void 0, void 0, function* () {
+            // Add input validation
+            if (!range || typeof range !== 'string') {
+                throw new Error('Version range is required and must be a string');
+            }
            const arch = this.distributionArchitecture();
-            if (arch !== 'x64' && arch !== 'aarch64') {
-                throw new Error(`Unsupported architecture: ${this.architecture}`);
+            if (!SUPPORTED_ARCHITECTURES.includes(arch)) {
+                throw new Error(`Unsupported architecture: ${this.architecture}. Supported architectures are: ${SUPPORTED_ARCHITECTURES.join(', ')}`);
            }
            if (!this.stable) {
                return this.findEABuildDownloadUrl(`${range}-ea`);
@ -130632,81 +130651,104 @@ class GraalVMDistribution extends base_installer_1.JavaBase {
            }
            const platform = this.getPlatform();
            const extension = (0, util_1.getDownloadArchiveExtension)();
-            let major;
-            let fileUrl;
-            if (range.includes('.')) {
-                major = range.split('.')[0];
-                fileUrl = `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+            const major = range.includes('.') ? range.split('.')[0] : range;
+            const majorVersion = parseInt(major);
+            if (isNaN(majorVersion)) {
+                throw new Error(`Invalid version format: ${range}`);
            }
-            else {
-                major = range;
-                fileUrl = `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
-            }
-            if (parseInt(major) < 17) {
-                throw new Error('GraalVM is only supported for JDK 17 and later');
+            if (majorVersion < GRAALVM_MIN_VERSION) {
+                throw new Error(`GraalVM is only supported for JDK ${GRAALVM_MIN_VERSION} and later. Requested version: ${major}`);
            }
+            const fileUrl = this.constructFileUrl(range, major, platform, arch, extension);
            const response = yield this.http.head(fileUrl);
-            if (response.message.statusCode === http_client_1.HttpCodes.NotFound) {
-                throw new Error(`Could not find GraalVM for SemVer ${range}`);
-            }
-            if (response.message.statusCode !== http_client_1.HttpCodes.OK) {
-                throw new Error(`Http request for GraalVM failed with status code: ${response.message.statusCode}`);
-            }
+            this.handleHttpResponse(response, range);
            return { url: fileUrl, version: range };
        });
    }
+    constructFileUrl(range, major, platform, arch, extension) {
+        return range.includes('.')
+            ? `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`
+            : `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+    }
+    handleHttpResponse(response, range) {
+        const statusCode = response.message.statusCode;
+        if (statusCode === http_client_1.HttpCodes.NotFound) {
+            throw new Error(`Could not find GraalVM for SemVer ${range}. Please check if this version is available at ${GRAALVM_DL_BASE}`);
+        }
+        if (statusCode === http_client_1.HttpCodes.Unauthorized ||
+            statusCode === http_client_1.HttpCodes.Forbidden) {
+            throw new Error(`Access denied when downloading GraalVM. Status code: ${statusCode}. Please check your credentials or permissions.`);
+        }
+        if (statusCode !== http_client_1.HttpCodes.OK) {
+            throw new Error(`HTTP request for GraalVM failed with status code: ${statusCode} (${response.message.statusMessage || 'Unknown error'})`);
+        }
+    }
    findEABuildDownloadUrl(javaEaVersion) {
        return __awaiter(this, void 0, void 0, function* () {
+            core.debug(`Searching for EA build: ${javaEaVersion}`);
            const versions = yield this.fetchEAJson(javaEaVersion);
+            core.debug(`Found ${versions.length} EA versions`);
            const latestVersion = versions.find(v => v.latest);
            if (!latestVersion) {
+                core.error(`Available versions: ${versions.map(v => v.version).join(', ')}`);
                throw new Error(`Unable to find latest version for '${javaEaVersion}'`);
            }
+            core.debug(`Latest version found: ${latestVersion.version}`);
            const arch = this.distributionArchitecture();
            const file = latestVersion.files.find(f => f.arch === arch && f.platform === GRAALVM_PLATFORM);
-            if (!file || !file.filename.startsWith('graalvm-jdk-')) {
-                throw new Error(`Unable to find file metadata for '${javaEaVersion}'`);
+            if (!file) {
+                core.error(`Available files for architecture ${arch}: ${JSON.stringify(latestVersion.files)}`);
+                throw new Error(`Unable to find file for architecture '${arch}' and platform '${GRAALVM_PLATFORM}'`);
            }
+            if (!file.filename.startsWith('graalvm-jdk-')) {
+                throw new Error(`Invalid filename format: ${file.filename}. Expected to start with 'graalvm-jdk-'`);
+            }
+            const downloadUrl = `${latestVersion.download_base_url}${file.filename}`;
+            core.debug(`Download URL: ${downloadUrl}`);
            return {
-                url: `${latestVersion.download_base_url}${file.filename}`,
+                url: downloadUrl,
                version: latestVersion.version
            };
        });
    }
    fetchEAJson(javaEaVersion) {
+        var _a;
        return __awaiter(this, void 0, void 0, function* () {
-            const owner = 'graalvm';
-            const repository = 'oracle-graalvm-ea-builds';
-            const branch = 'main';
-            const filePath = `versions/${javaEaVersion}.json`;
-            const url = `https://api.github.com/repos/${owner}/${repository}/contents/${filePath}?ref=${branch}`;
+            const url = `https://api.github.com/repos/graalvm/oracle-graalvm-ea-builds/contents/versions/${javaEaVersion}.json?ref=main`;
            const headers = (0, util_1.getGitHubHttpHeaders)();
            core.debug(`Trying to fetch available version info for GraalVM EA builds from '${url}'`);
-            let fetchedJson;
            try {
-                fetchedJson = (yield this.http.getJson(url, headers))
-                    .result;
+                const response = yield this.http.getJson(url, headers);
+                if (!response.result) {
+                    throw new Error(`No GraalVM EA build found for version '${javaEaVersion}'. Please check if the version is correct.`);
+                }
+                return response.result;
            }
-            catch (err) {
-                throw Error(`Fetching version info for GraalVM EA builds from '${url}' failed with the error: ${err.message}`);
+            catch (error) {
+                if (error instanceof Error) {
+                    // Check if it's a 404 error (file not found)
+                    if ((_a = error.message) === null || _a === void 0 ? void 0 : _a.includes('404')) {
+                        throw new Error(`GraalVM EA version '${javaEaVersion}' not found. Please verify the version exists in the EA builds repository.`);
+                    }
+                    // Re-throw with more context
+                    throw new Error(`Failed to fetch GraalVM EA version information for '${javaEaVersion}': ${error.message}`);
+                }
+                // If it's not an Error instance, throw a generic error
+                throw new Error(`Failed to fetch GraalVM EA version information for '${javaEaVersion}'`);
            }
-            if (fetchedJson === null) {
-                throw Error(`No GraalVM EA build found. Are you sure java-version: '${javaEaVersion}' is correct?`);
-            }
-            return fetchedJson;
        });
    }
    getPlatform(platform = process.platform) {
-        switch (platform) {
-            case 'darwin':
-                return 'macos';
-            case 'win32':
-                return 'windows';
-            case 'linux':
-                return 'linux';
-            default:
-                throw new Error(`Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`);
+        const platformMap = {
+            darwin: 'macos',
+            win32: 'windows',
+            linux: 'linux'
+        };
+        const result = platformMap[platform];
+        if (!result) {
+            throw new Error(`Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`);
        }
+        return result;
    }
 }
 exports.GraalVMDistribution = GraalVMDistribution;
@ -132849,8 +132891,8 @@ function convertVersionToSemver(version) {
 }
 exports.convertVersionToSemver = convertVersionToSemver;
 function getGitHubHttpHeaders() {
-    const token = core.getInput('token');
-    const auth = !token ? undefined : `token ${token}`;
+    const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+    const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;
    const headers = {
        accept: 'application/vnd.github.VERSION.raw'
    };
--- a/package-lock.json
+++ b/package-lock.json
@ -24,7 +24,7 @@
        "@types/node": "^24.1.0",
        "@types/semver": "^7.5.8",
        "@typescript-eslint/eslint-plugin": "^8.35.1",
-        "@typescript-eslint/parser": "^8.35.1",
+        "@typescript-eslint/parser": "^8.47.0",
        "@vercel/ncc": "^0.38.1",
        "eslint": "^8.57.0",
        "eslint-config-prettier": "^8.6.0",
@ -366,7 +366,6 @@
      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.23.3.tgz",
      "integrity": "sha512-Jg+msLuNuCJDyBvFv5+OKOUjWMZgd85bKjbICd3zWrKAo+bJ49HJufi7CQE0q0uR8NGyO6xkCACScNqyjHSZew==",
      "dev": true,
-      "peer": true,
      "dependencies": {
        "@ampproject/remapping": "^2.2.0",
        "@babel/code-frame": "^7.22.13",
@ -841,9 +840,9 @@
      "dev": true
    },
    "node_modules/@eslint-community/eslint-utils": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.7.0.tgz",
-      "integrity": "sha512-dyybb3AcajC7uha6CvhdVRJqaKyn7w2YKqKyAN37NKYgZT36w+iRb0Dymmc5qEJ549c/S31cMMSFd75bteCpCw==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.9.0.tgz",
+      "integrity": "sha512-ayVFHdtZ+hsq1t2Dy24wCmGXGe4q9Gu3smhLYALJrr473ZH27MsnSL+LKUlimp4BWJqMDMLmPpx/Q9R3OAlL4g==",
      "dev": true,
      "dependencies": {
        "eslint-visitor-keys": "^3.4.3"
@ -1716,17 +1715,16 @@
      "dev": true
    },
    "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "8.35.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.35.1.tgz",
-      "integrity": "sha512-9XNTlo7P7RJxbVeICaIIIEipqxLKguyh+3UbXuT2XQuFp6d8VOeDEGuz5IiX0dgZo8CiI6aOFLg4e8cF71SFVg==",
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.43.0.tgz",
+      "integrity": "sha512-8tg+gt7ENL7KewsKMKDHXR1vm8tt9eMxjJBYINf6swonlWgkYn5NwyIgXpbbDxTNU5DgpDFfj95prcTq2clIQQ==",
      "dev": true,
-      "license": "MIT",
      "dependencies": {
        "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "8.35.1",
-        "@typescript-eslint/type-utils": "8.35.1",
-        "@typescript-eslint/utils": "8.35.1",
-        "@typescript-eslint/visitor-keys": "8.35.1",
+        "@typescript-eslint/scope-manager": "8.43.0",
+        "@typescript-eslint/type-utils": "8.43.0",
+        "@typescript-eslint/utils": "8.43.0",
+        "@typescript-eslint/visitor-keys": "8.43.0",
        "graphemer": "^1.4.0",
        "ignore": "^7.0.0",
        "natural-compare": "^1.4.0",
@ -1740,9 +1738,9 @@
        "url": "https://opencollective.com/typescript-eslint"
      },
      "peerDependencies": {
-        "@typescript-eslint/parser": "^8.35.1",
+        "@typescript-eslint/parser": "^8.43.0",
        "eslint": "^8.57.0 || ^9.0.0",
-        "typescript": ">=4.8.4 <5.9.0"
+        "typescript": ">=4.8.4 <6.0.0"
      }
    },
    "node_modules/@typescript-eslint/eslint-plugin/node_modules/ignore": {
@ -1750,23 +1748,21 @@
      "resolved": "https://registry.npmjs.org/ignore/-/ignore-7.0.5.tgz",
      "integrity": "sha512-Hs59xBNfUIunMFgWAbGX5cq6893IbWg4KnrjbYwX3tx0ztorVgTDA6B2sxf8ejHJ4wz8BqGUMYlnzNBer5NvGg==",
      "dev": true,
-      "license": "MIT",
      "engines": {
        "node": ">= 4"
      }
    },
    "node_modules/@typescript-eslint/parser": {
-      "version": "8.35.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.35.1.tgz",
-      "integrity": "sha512-3MyiDfrfLeK06bi/g9DqJxP5pV74LNv4rFTyvGDmT3x2p1yp1lOd+qYZfiRPIOf/oON+WRZR5wxxuF85qOar+w==",
+      "version": "8.47.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.47.0.tgz",
+      "integrity": "sha512-lJi3PfxVmo0AkEY93ecfN+r8SofEqZNGByvHAI3GBLrvt1Cw6H5k1IM02nSzu0RfUafr2EvFSw0wAsZgubNplQ==",
      "dev": true,
      "license": "MIT",
-      "peer": true,
      "dependencies": {
-        "@typescript-eslint/scope-manager": "8.35.1",
-        "@typescript-eslint/types": "8.35.1",
-        "@typescript-eslint/typescript-estree": "8.35.1",
-        "@typescript-eslint/visitor-keys": "8.35.1",
+        "@typescript-eslint/scope-manager": "8.47.0",
+        "@typescript-eslint/types": "8.47.0",
+        "@typescript-eslint/typescript-estree": "8.47.0",
+        "@typescript-eslint/visitor-keys": "8.47.0",
        "debug": "^4.3.4"
      },
      "engines": {
@ -1778,18 +1774,18 @@
      },
      "peerDependencies": {
        "eslint": "^8.57.0 || ^9.0.0",
-        "typescript": ">=4.8.4 <5.9.0"
+        "typescript": ">=4.8.4 <6.0.0"
      }
    },
-    "node_modules/@typescript-eslint/project-service": {
-      "version": "8.35.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.35.1.tgz",
-      "integrity": "sha512-VYxn/5LOpVxADAuP3NrnxxHYfzVtQzLKeldIhDhzC8UHaiQvYlXvKuVho1qLduFbJjjy5U5bkGwa3rUGUb1Q6Q==",
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/project-service": {
+      "version": "8.47.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.47.0.tgz",
+      "integrity": "sha512-2X4BX8hUeB5JcA1TQJ7GjcgulXQ+5UkNb0DL8gHsHUHdFoiCTJoYLTpib3LtSDPZsRET5ygN4qqIWrHyYIKERA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/tsconfig-utils": "^8.35.1",
-        "@typescript-eslint/types": "^8.35.1",
+        "@typescript-eslint/tsconfig-utils": "^8.47.0",
+        "@typescript-eslint/types": "^8.47.0",
        "debug": "^4.3.4"
      },
      "engines": {
@ -1800,18 +1796,18 @@
        "url": "https://opencollective.com/typescript-eslint"
      },
      "peerDependencies": {
-        "typescript": ">=4.8.4 <5.9.0"
+        "typescript": ">=4.8.4 <6.0.0"
      }
    },
-    "node_modules/@typescript-eslint/scope-manager": {
-      "version": "8.35.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.35.1.tgz",
-      "integrity": "sha512-s/Bpd4i7ht2934nG+UoSPlYXd08KYz3bmjLEb7Ye1UVob0d1ENiT3lY8bsCmik4RqfSbPw9xJJHbugpPpP5JUg==",
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/scope-manager": {
+      "version": "8.47.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.47.0.tgz",
+      "integrity": "sha512-a0TTJk4HXMkfpFkL9/WaGTNuv7JWfFTQFJd6zS9dVAjKsojmv9HT55xzbEpnZoY+VUb+YXLMp+ihMLz/UlZfDg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/types": "8.35.1",
-        "@typescript-eslint/visitor-keys": "8.35.1"
+        "@typescript-eslint/types": "8.47.0",
+        "@typescript-eslint/visitor-keys": "8.47.0"
      },
      "engines": {
        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@ -1821,10 +1817,10 @@
        "url": "https://opencollective.com/typescript-eslint"
      }
    },
-    "node_modules/@typescript-eslint/tsconfig-utils": {
-      "version": "8.35.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.35.1.tgz",
-      "integrity": "sha512-K5/U9VmT9dTHoNowWZpz+/TObS3xqC5h0xAIjXPw+MNcKV9qg6eSatEnmeAwkjHijhACH0/N7bkhKvbt1+DXWQ==",
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/tsconfig-utils": {
+      "version": "8.47.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.47.0.tgz",
+      "integrity": "sha512-ybUAvjy4ZCL11uryalkKxuT3w3sXJAuWhOoGS3T/Wu+iUu1tGJmk5ytSY8gbdACNARmcYEB0COksD2j6hfGK2g==",
      "dev": true,
      "license": "MIT",
      "engines": {
@ -1835,37 +1831,13 @@
        "url": "https://opencollective.com/typescript-eslint"
      },
      "peerDependencies": {
-        "typescript": ">=4.8.4 <5.9.0"
+        "typescript": ">=4.8.4 <6.0.0"
      }
    },
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-        "url": "https://opencollective.com/typescript-eslint"
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+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/types": {
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+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.47.0.tgz",
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@ -1876,17 +1848,17 @@
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+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/typescript-estree": {
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+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.47.0.tgz",
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-        "@typescript-eslint/types": "8.35.1",
-        "@typescript-eslint/visitor-keys": "8.35.1",
+        "@typescript-eslint/project-service": "8.47.0",
+        "@typescript-eslint/tsconfig-utils": "8.47.0",
+        "@typescript-eslint/types": "8.47.0",
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@ -1902,10 +1874,28 @@
        "url": "https://opencollective.com/typescript-eslint"
      },
      "peerDependencies": {
-        "typescript": ">=4.8.4 <5.9.0"
+        "typescript": ">=4.8.4 <6.0.0"
      }
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-    "node_modules/@typescript-eslint/typescript-estree/node_modules/brace-expansion": {
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/visitor-keys": {
+      "version": "8.47.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.47.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.47.0",
+        "eslint-visitor-keys": "^4.2.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
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+    "node_modules/@typescript-eslint/parser/node_modules/brace-expansion": {
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      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
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@ -1915,7 +1905,20 @@
        "balanced-match": "^1.0.0"
      }
    },
-    "node_modules/@typescript-eslint/typescript-estree/node_modules/minimatch": {
+    "node_modules/@typescript-eslint/parser/node_modules/eslint-visitor-keys": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz",
+      "integrity": "sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/minimatch": {
      "version": "9.0.5",
      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
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@ -1931,17 +1934,71 @@
        "url": "https://github.com/sponsors/isaacs"
      }
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-    "node_modules/@typescript-eslint/utils": {
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+    "node_modules/@typescript-eslint/project-service": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.43.0.tgz",
+      "integrity": "sha512-htB/+D/BIGoNTQYffZw4uM4NzzuolCoaA/BusuSIcC8YjmBYQioew5VUZAYdAETPjeed0hqCaW7EHg+Robq8uw==",
      "dev": true,
-      "license": "MIT",
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-        "@typescript-eslint/types": "8.35.1",
-        "@typescript-eslint/typescript-estree": "8.35.1"
+        "@typescript-eslint/tsconfig-utils": "^8.43.0",
+        "@typescript-eslint/types": "^8.43.0",
+        "debug": "^4.3.4"
+      },
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+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
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+        "typescript": ">=4.8.4 <6.0.0"
+      }
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+    "node_modules/@typescript-eslint/scope-manager": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.43.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/types": "8.43.0",
+        "@typescript-eslint/visitor-keys": "8.43.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/tsconfig-utils": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.43.0.tgz",
+      "integrity": "sha512-ALC2prjZcj2YqqL5X/bwWQmHA2em6/94GcbB/KKu5SX3EBDOsqztmmX1kMkvAJHzxk7TazKzJfFiEIagNV3qEA==",
+      "dev": true,
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/type-utils": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.43.0.tgz",
+      "integrity": "sha512-qaH1uLBpBuBBuRf8c1mLJ6swOfzCXryhKND04Igr4pckzSEW9JX5Aw9AgW00kwfjWJF0kk0ps9ExKTfvXfw4Qg==",
+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/types": "8.43.0",
+        "@typescript-eslint/typescript-estree": "8.43.0",
+        "@typescript-eslint/utils": "8.43.0",
+        "debug": "^4.3.4",
+        "ts-api-utils": "^2.1.0"
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@ -1952,17 +2009,104 @@
      },
      "peerDependencies": {
        "eslint": "^8.57.0 || ^9.0.0",
-        "typescript": ">=4.8.4 <5.9.0"
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/types": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.43.0.tgz",
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+      "dev": true,
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/typescript-estree": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.43.0.tgz",
+      "integrity": "sha512-7Vv6zlAhPb+cvEpP06WXXy/ZByph9iL6BQRBDj4kmBsW98AqEeQHlj/13X+sZOrKSo9/rNKH4Ul4f6EICREFdw==",
+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/project-service": "8.43.0",
+        "@typescript-eslint/tsconfig-utils": "8.43.0",
+        "@typescript-eslint/types": "8.43.0",
+        "@typescript-eslint/visitor-keys": "8.43.0",
+        "debug": "^4.3.4",
+        "fast-glob": "^3.3.2",
+        "is-glob": "^4.0.3",
+        "minimatch": "^9.0.4",
+        "semver": "^7.6.0",
+        "ts-api-utils": "^2.1.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
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+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
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+        "typescript": ">=4.8.4 <6.0.0"
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+    "node_modules/@typescript-eslint/typescript-estree/node_modules/brace-expansion": {
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+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
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+      "dev": true,
+      "dependencies": {
+        "balanced-match": "^1.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/typescript-estree/node_modules/minimatch": {
+      "version": "9.0.5",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
+      "integrity": "sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=16 || 14 >=14.17"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/@typescript-eslint/utils": {
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.43.0.tgz",
+      "integrity": "sha512-S1/tEmkUeeswxd0GGcnwuVQPFWo8NzZTOMxCvw8BX7OMxnNae+i8Tm7REQen/SwUIPoPqfKn7EaZ+YLpiB3k9g==",
+      "dev": true,
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.7.0",
+        "@typescript-eslint/scope-manager": "8.43.0",
+        "@typescript-eslint/types": "8.43.0",
+        "@typescript-eslint/typescript-estree": "8.43.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <6.0.0"
      }
    },
    "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.35.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.35.1.tgz",
-      "integrity": "sha512-VRwixir4zBWCSTP/ljEo091lbpypz57PoeAQ9imjG+vbeof9LplljsL1mos4ccG6H9IjfrVGM359RozUnuFhpw==",
+      "version": "8.43.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.43.0.tgz",
+      "integrity": "sha512-T+S1KqRD4sg/bHfLwrpF/K3gQLBM1n7Rp7OjjikjTEssI2YJzQpi5WXoynOaQ93ERIuq3O8RBTOUYDKszUCEHw==",
      "dev": true,
-      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/types": "8.35.1",
+        "@typescript-eslint/types": "8.43.0",
        "eslint-visitor-keys": "^4.2.1"
      },
      "engines": {
@ -1978,7 +2122,6 @@
      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz",
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      "dev": true,
-      "license": "Apache-2.0",
      "engines": {
        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
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@ -2017,7 +2160,6 @@
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      "dev": true,
-      "peer": true,
      "bin": {
        "acorn": "bin/acorn"
      },
@ -2293,7 +2435,6 @@
          "url": "https://github.com/sponsors/ai"
        }
      ],
-      "peer": true,
      "dependencies": {
        "caniuse-lite": "^1.0.30001541",
        "electron-to-chromium": "^1.4.535",
@ -2749,7 +2890,6 @@
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      "dev": true,
-      "peer": true,
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        "@eslint-community/eslint-utils": "^4.2.0",
        "@eslint-community/regexpp": "^4.6.1",
@ -3101,7 +3241,6 @@
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      "dev": true,
-      "license": "MIT",
      "dependencies": {
        "@nodelib/fs.stat": "^2.0.2",
        "@nodelib/fs.walk": "^1.2.3",
@ -3118,7 +3257,6 @@
      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
      "dev": true,
-      "license": "ISC",
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      },
@ -3748,7 +3886,6 @@
      "resolved": "https://registry.npmjs.org/jest/-/jest-29.7.0.tgz",
      "integrity": "sha512-NIy3oAFp9shda19hy4HK0HRTWKtPJmGdnvywu01nOqNC2vZg+Z+fvJDxpMQA88eb2I9EcafcdjYgsDthnYTvGw==",
      "dev": true,
-      "peer": true,
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        "@jest/types": "^29.6.3",
@ -4497,7 +4634,6 @@
      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
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      "dev": true,
-      "license": "MIT",
      "engines": {
        "node": ">= 8"
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@ -5500,7 +5636,6 @@
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
      "dev": true,
-      "peer": true,
      "bin": {
        "tsc": "bin/tsc",
        "tsserver": "bin/tsserver"
@ -5513,7 +5648,6 @@
      "version": "5.29.0",
      "resolved": "https://registry.npmjs.org/undici/-/undici-5.29.0.tgz",
      "integrity": "sha512-raqeBD6NQK4SkWhQzeYKd1KmIG6dllBOTt55Rmkt4HtI9mwdWtJljnrXjAFUBLTSN67HWrOIZ3EPF4kjUw80Bg==",
-      "license": "MIT",
      "dependencies": {
        "@fastify/busboy": "^2.0.0"
      },
--- a/package.json
+++ b/package.json
@ -44,7 +44,7 @@
    "@types/node": "^24.1.0",
    "@types/semver": "^7.5.8",
    "@typescript-eslint/eslint-plugin": "^8.35.1",
-    "@typescript-eslint/parser": "^8.35.1",
+    "@typescript-eslint/parser": "^8.47.0",
    "@vercel/ncc": "^0.38.1",
    "eslint": "^8.57.0",
    "eslint-config-prettier": "^8.6.0",
--- a/src/distributions/graalvm/installer.ts
+++ b/src/distributions/graalvm/installer.ts
@ -1,10 +1,10 @@
 import * as core from '@actions/core';
 import * as tc from '@actions/tool-cache';
-
 import fs from 'fs';
 import path from 'path';
-
 import {JavaBase} from '../base-installer';
+import {HttpCodes} from '@actions/http-client';
+import {GraalVMEAVersion} from './models';
 import {
  JavaDownloadRelease,
  JavaInstallerOptions,
@ -16,12 +16,14 @@ import {
  getGitHubHttpHeaders,
  renameWinArchive
 } from '../../util';
-import {HttpCodes} from '@actions/http-client';
-import {GraalVMEAVersion} from './models';

 const GRAALVM_DL_BASE = 'https://download.oracle.com/graalvm';
 const IS_WINDOWS = process.platform === 'win32';
 const GRAALVM_PLATFORM = IS_WINDOWS ? 'windows' : process.platform;
+const GRAALVM_MIN_VERSION = 17;
+const SUPPORTED_ARCHITECTURES = ['x64', 'aarch64'] as const;
+type SupportedArchitecture = (typeof SUPPORTED_ARCHITECTURES)[number];
+type OsVersions = 'linux' | 'macos' | 'windows';

 export class GraalVMDistribution extends JavaBase {
  constructor(installerOptions: JavaInstallerOptions) {
@ -31,38 +33,67 @@ export class GraalVMDistribution extends JavaBase {
  protected async downloadTool(
    javaRelease: JavaDownloadRelease
  ): Promise<JavaInstallerResults> {
-    core.info(
-      `Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`
-    );
-    let javaArchivePath = await tc.downloadTool(javaRelease.url);
+    try {
+      core.info(
+        `Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`
+      );
+      let javaArchivePath = await tc.downloadTool(javaRelease.url);

-    core.info(`Extracting Java archive...`);
-    const extension = getDownloadArchiveExtension();
-    if (process.platform === 'win32') {
-      javaArchivePath = renameWinArchive(javaArchivePath);
+      core.info(`Extracting Java archive...`);
+      const extension = getDownloadArchiveExtension();
+      if (IS_WINDOWS) {
+        javaArchivePath = renameWinArchive(javaArchivePath);
+      }
+
+      const extractedJavaPath = await extractJdkFile(
+        javaArchivePath,
+        extension
+      );
+
+      // Add validation for extracted path
+      if (!fs.existsSync(extractedJavaPath)) {
+        throw new Error(
+          `Extraction failed: path ${extractedJavaPath} does not exist`
+        );
+      }
+
+      const dirContents = fs.readdirSync(extractedJavaPath);
+      if (dirContents.length === 0) {
+        throw new Error(
+          'Extraction failed: no files found in extracted directory'
+        );
+      }
+
+      const archivePath = path.join(extractedJavaPath, dirContents[0]);
+      const version = this.getToolcacheVersionName(javaRelease.version);
+
+      const javaPath = await tc.cacheDir(
+        archivePath,
+        this.toolcacheFolderName,
+        version,
+        this.architecture
+      );
+
+      return {version: javaRelease.version, path: javaPath};
+    } catch (error) {
+      core.error(`Failed to download and extract GraalVM: ${error}`);
+      throw error;
    }
-    const extractedJavaPath = await extractJdkFile(javaArchivePath, extension);
-
-    const archiveName = fs.readdirSync(extractedJavaPath)[0];
-    const archivePath = path.join(extractedJavaPath, archiveName);
-    const version = this.getToolcacheVersionName(javaRelease.version);
-
-    const javaPath = await tc.cacheDir(
-      archivePath,
-      this.toolcacheFolderName,
-      version,
-      this.architecture
-    );
-
-    return {version: javaRelease.version, path: javaPath};
  }

  protected async findPackageForDownload(
    range: string
  ): Promise<JavaDownloadRelease> {
+    // Add input validation
+    if (!range || typeof range !== 'string') {
+      throw new Error('Version range is required and must be a string');
+    }
+
    const arch = this.distributionArchitecture();
-    if (arch !== 'x64' && arch !== 'aarch64') {
-      throw new Error(`Unsupported architecture: ${this.architecture}`);
+    if (!SUPPORTED_ARCHITECTURES.includes(arch as SupportedArchitecture)) {
+      throw new Error(
+        `Unsupported architecture: ${this.architecture}. Supported architectures are: ${SUPPORTED_ARCHITECTURES.join(', ')}`
+      );
    }

    if (!this.stable) {
@ -75,52 +106,113 @@ export class GraalVMDistribution extends JavaBase {

    const platform = this.getPlatform();
    const extension = getDownloadArchiveExtension();
-    let major;
-    let fileUrl;
-    if (range.includes('.')) {
-      major = range.split('.')[0];
-      fileUrl = `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
-    } else {
-      major = range;
-      fileUrl = `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+    const major = range.includes('.') ? range.split('.')[0] : range;
+    const majorVersion = parseInt(major);
+
+    if (isNaN(majorVersion)) {
+      throw new Error(`Invalid version format: ${range}`);
    }

-    if (parseInt(major) < 17) {
-      throw new Error('GraalVM is only supported for JDK 17 and later');
-    }
-
-    const response = await this.http.head(fileUrl);
-
-    if (response.message.statusCode === HttpCodes.NotFound) {
-      throw new Error(`Could not find GraalVM for SemVer ${range}`);
-    }
-
-    if (response.message.statusCode !== HttpCodes.OK) {
+    if (majorVersion < GRAALVM_MIN_VERSION) {
      throw new Error(
-        `Http request for GraalVM failed with status code: ${response.message.statusCode}`
+        `GraalVM is only supported for JDK ${GRAALVM_MIN_VERSION} and later. Requested version: ${major}`
      );
    }

+    const fileUrl = this.constructFileUrl(
+      range,
+      major,
+      platform,
+      arch,
+      extension
+    );
+
+    const response = await this.http.head(fileUrl);
+    this.handleHttpResponse(response, range);
+
    return {url: fileUrl, version: range};
  }

+  private constructFileUrl(
+    range: string,
+    major: string,
+    platform: string,
+    arch: string,
+    extension: string
+  ): string {
+    return range.includes('.')
+      ? `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`
+      : `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+  }
+
+  private handleHttpResponse(response: any, range: string): void {
+    const statusCode = response.message.statusCode;
+
+    if (statusCode === HttpCodes.NotFound) {
+      throw new Error(
+        `Could not find GraalVM for SemVer ${range}. Please check if this version is available at ${GRAALVM_DL_BASE}`
+      );
+    }
+
+    if (
+      statusCode === HttpCodes.Unauthorized ||
+      statusCode === HttpCodes.Forbidden
+    ) {
+      throw new Error(
+        `Access denied when downloading GraalVM. Status code: ${statusCode}. Please check your credentials or permissions.`
+      );
+    }
+
+    if (statusCode !== HttpCodes.OK) {
+      throw new Error(
+        `HTTP request for GraalVM failed with status code: ${statusCode} (${response.message.statusMessage || 'Unknown error'})`
+      );
+    }
+  }
+
  private async findEABuildDownloadUrl(
    javaEaVersion: string
  ): Promise<JavaDownloadRelease> {
+    core.debug(`Searching for EA build: ${javaEaVersion}`);
+
    const versions = await this.fetchEAJson(javaEaVersion);
+    core.debug(`Found ${versions.length} EA versions`);
+
    const latestVersion = versions.find(v => v.latest);
    if (!latestVersion) {
+      core.error(
+        `Available versions: ${versions.map(v => v.version).join(', ')}`
+      );
      throw new Error(`Unable to find latest version for '${javaEaVersion}'`);
    }
+
+    core.debug(`Latest version found: ${latestVersion.version}`);
+
    const arch = this.distributionArchitecture();
    const file = latestVersion.files.find(
      f => f.arch === arch && f.platform === GRAALVM_PLATFORM
    );
-    if (!file || !file.filename.startsWith('graalvm-jdk-')) {
-      throw new Error(`Unable to find file metadata for '${javaEaVersion}'`);
+
+    if (!file) {
+      core.error(
+        `Available files for architecture ${arch}: ${JSON.stringify(latestVersion.files)}`
+      );
+      throw new Error(
+        `Unable to find file for architecture '${arch}' and platform '${GRAALVM_PLATFORM}'`
+      );
    }
+
+    if (!file.filename.startsWith('graalvm-jdk-')) {
+      throw new Error(
+        `Invalid filename format: ${file.filename}. Expected to start with 'graalvm-jdk-'`
+      );
+    }
+
+    const downloadUrl = `${latestVersion.download_base_url}${file.filename}`;
+    core.debug(`Download URL: ${downloadUrl}`);
+
    return {
-      url: `${latestVersion.download_base_url}${file.filename}`,
+      url: downloadUrl,
      version: latestVersion.version
    };
  }
@ -128,49 +220,59 @@ export class GraalVMDistribution extends JavaBase {
  private async fetchEAJson(
    javaEaVersion: string
  ): Promise<GraalVMEAVersion[]> {
-    const owner = 'graalvm';
-    const repository = 'oracle-graalvm-ea-builds';
-    const branch = 'main';
-    const filePath = `versions/${javaEaVersion}.json`;
-
-    const url = `https://api.github.com/repos/${owner}/${repository}/contents/${filePath}?ref=${branch}`;
-
+    const url = `https://api.github.com/repos/graalvm/oracle-graalvm-ea-builds/contents/versions/${javaEaVersion}.json?ref=main`;
    const headers = getGitHubHttpHeaders();

    core.debug(
      `Trying to fetch available version info for GraalVM EA builds from '${url}'`
    );
-    let fetchedJson;
+
    try {
-      fetchedJson = (await this.http.getJson<GraalVMEAVersion[]>(url, headers))
-        .result;
-    } catch (err) {
-      throw Error(
-        `Fetching version info for GraalVM EA builds from '${url}' failed with the error: ${
-          (err as Error).message
-        }`
+      const response = await this.http.getJson<GraalVMEAVersion[]>(
+        url,
+        headers
+      );
+
+      if (!response.result) {
+        throw new Error(
+          `No GraalVM EA build found for version '${javaEaVersion}'. Please check if the version is correct.`
+        );
+      }
+
+      return response.result;
+    } catch (error) {
+      if (error instanceof Error) {
+        // Check if it's a 404 error (file not found)
+        if (error.message?.includes('404')) {
+          throw new Error(
+            `GraalVM EA version '${javaEaVersion}' not found. Please verify the version exists in the EA builds repository.`
+          );
+        }
+        // Re-throw with more context
+        throw new Error(
+          `Failed to fetch GraalVM EA version information for '${javaEaVersion}': ${error.message}`
+        );
+      }
+      // If it's not an Error instance, throw a generic error
+      throw new Error(
+        `Failed to fetch GraalVM EA version information for '${javaEaVersion}'`
      );
    }
-    if (fetchedJson === null) {
-      throw Error(
-        `No GraalVM EA build found. Are you sure java-version: '${javaEaVersion}' is correct?`
-      );
-    }
-    return fetchedJson;
  }

  public getPlatform(platform: NodeJS.Platform = process.platform): OsVersions {
-    switch (platform) {
-      case 'darwin':
-        return 'macos';
-      case 'win32':
-        return 'windows';
-      case 'linux':
-        return 'linux';
-      default:
-        throw new Error(
-          `Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`
-        );
+    const platformMap: Record<string, OsVersions> = {
+      darwin: 'macos',
+      win32: 'windows',
+      linux: 'linux'
+    };
+
+    const result = platformMap[platform];
+    if (!result) {
+      throw new Error(
+        `Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`
+      );
    }
+    return result;
  }
 }
--- a/src/util.ts
+++ b/src/util.ts
@ -184,8 +184,8 @@ export function convertVersionToSemver(version: number[] | string) {
 }

 export function getGitHubHttpHeaders(): OutgoingHttpHeaders {
-  const token = core.getInput('token');
-  const auth = !token ? undefined : `token ${token}`;
+  const resolvedToken = core.getInput('token') || process.env.GITHUB_TOKEN;
+  const auth = !resolvedToken ? undefined : `token ${resolvedToken}`;

  const headers: OutgoingHttpHeaders = {
    accept: 'application/vnd.github.VERSION.raw'