diff --git a/lib/auth.js b/lib/auth.js
index 33e643b..4bfc3c7 100644
--- a/lib/auth.js
+++ b/lib/auth.js
@@ -18,30 +18,44 @@ Object.defineProperty(exports, "__esModule", { value: true });
 const fs = __importStar(require("fs"));
 const os = __importStar(require("os"));
 const path = __importStar(require("path"));
+const core = __importStar(require("@actions/core"));
 const io = __importStar(require("@actions/io"));
+exports.M2_DIR = '.m2';
+exports.SETTINGS_FILE = 'settings.xml';
 function configAuthentication(username, password) {
     return __awaiter(this, void 0, void 0, function* () {
-        const directory = path.join(os.homedir(), '.m2');
-        yield io.mkdirP(directory);
-        yield write(directory, generate(username, password));
+        if (username && password) {
+            core.debug(`configAuthentication with ${username} and a password`);
+            const directory = path.join(os.homedir(), exports.M2_DIR);
+            yield io.mkdirP(directory);
+            core.debug(`created directory ${directory}`);
+            yield write(directory, generate(username, password));
+        }
+        else {
+            core.debug(`no auth without username: ${username} and password: ${password}`);
+        }
     });
 }
 exports.configAuthentication = configAuthentication;
 // only exported for testing purposes
-function generate(username = '${actions.username}', password = '${actions.password}') {
-    return `<settings>
-                <servers>
-                <server>
-                    <username>${username}</username>
-                    <password>${password}</password>
-                </server>
-                </servers>
-            </settings>
-    `;
+function generate(username, password) {
+    return `
+  <settings>
+      <servers>
+        <server>
+          <username>${username}</username>
+          <password>${password}</password>
+        </server>
+      </servers>
+  </settings>
+  `;
 }
 exports.generate = generate;
 function write(directory, settings) {
     return __awaiter(this, void 0, void 0, function* () {
-        return fs.writeFileSync(path.join(directory, 'settings.xml'), settings);
+        const options = { encoding: 'utf-8' };
+        const location = path.join(directory, exports.SETTINGS_FILE);
+        core.debug(`writing ${location}`);
+        return fs.writeFileSync(location, settings, options);
     });
 }
diff --git a/lib/setup-java.js b/lib/setup-java.js
index 1028cf8..a000d4e 100644
--- a/lib/setup-java.js
+++ b/lib/setup-java.js
@@ -31,9 +31,7 @@ function run() {
             yield installer.getJava(version, arch, jdkFile);
             const username = core.getInput('username', { required: false });
             const password = core.getInput('password', { required: false });
-            if (username && password) {
-                yield auth.configAuthentication(username, password);
-            }
+            yield auth.configAuthentication(username, password);
             const matchersPath = path.join(__dirname, '..', '.github');
             console.log(`##[add-matcher]${path.join(matchersPath, 'java.json')}`);
         }