launcher/launcher/src/main/java/sashegdev/zernmc/launcher/utils/ZHttpClient.java

@@ -309,7 +309,7 @@ public class ZHttpClient {
      * The request-level .timeout(Duration) bounds the actual network I/O.
      */
     private static <T> HttpResponse<T> sendBounded(HttpRequest request, HttpResponse.BodyHandler<T> handler, long timeoutSeconds) throws IOException, InterruptedException {
-        HttpRequest timed = request.newBuilder()
+        HttpRequest timed = HttpRequest.newBuilder(request, (name, value) -> true)
                 .timeout(Duration.ofSeconds(timeoutSeconds))
                 .build();
         return client.send(timed, handler);

launcher/launcher/src/test/java/me/sashegdev/zernmc/launcher/integration/ForgeInstallIntegrationTest.java

@@ -119,8 +119,14 @@ class ForgeInstallIntegrationTest {
         List<String> command = builder.build(options);
 
         // === JVM args checks ===
-        assertFalse(command.contains("-cp"),
-                "Forge must NOT have -cp (causes split-package)");
+        // Real Forge version.json (1.20.1-47.x) has no -cp, so the launcher adds it
+        assertTrue(command.contains("-cp"),
+                "Launcher must add -cp for Forge (version.json has none)");
+        int cpIdx = command.indexOf("-cp");
+        assertTrue(cpIdx + 1 < command.size(), "-cp must have a value");
+        String classpath = command.get(cpIdx + 1);
+        assertNotNull(classpath, "-cp value must not be null");
+        assertFalse(classpath.contains("${classpath}"), "-cp must not contain unresolved ${classpath} placeholder");
 
         // Find -Djava.library.path (added manually, not from forge child)
         String libPath = null;

launcher/pom.xml

@@ -19,7 +19,7 @@
 
     <properties>
         <revision>1.0.15</revision>
-        <hotfix>1</hotfix>
+        <hotfix>2</hotfix>
         <maven.compiler.source>21</maven.compiler.source>
         <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>