Now installer will set the url of base jar of Forge and LiteLoader.

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/tasks/TaskWindow.java

@@ -262,7 +262,7 @@ public class TaskWindow extends javax.swing.JDialog
     @Override
     public void onFailed(Task task) {
         SwingUtilities.invokeLater(() -> {
-            failReasons.add(task.getInfo() + ": " + (null == task.getFailReason() ? "No exception" : task.getFailReason().getLocalizedMessage()));
+            failReasons.add(task.getInfo() + ": " + (null == task.getFailReason() ? "No exception" : task.getFailReason().getClass().toString() + ": " + task.getFailReason().getLocalizedMessage()));
             pgsTotal.setMaximum(taskList.taskCount());
             pgsTotal.setValue(pgsTotal.getValue() + 1);
             int idx = tasks.indexOf(task);

HMCLAPI/src/main/java/org/jackhuang/hellominecraft/utils/system/FileUtils.java

@@ -431,15 +431,4 @@ public class FileUtils {
             if (f.getName().endsWith(suffix)) al.add(f);
         return al.toArray(new File[0]);
     }
-
-    public static byte[] toByteArray(File file) throws IOException {
-        try (FileInputStream is = new FileInputStream(file)) {
-            ByteArrayOutputStream os = new ByteArrayOutputStream();
-            int n;
-            byte[] b = new byte[1024];
-            while ((n = is.read(b)) != -1) os.write(b, 0, n);
-            os.close();
-            return os.toByteArray();
-        }
-    }
 }

HMCLAPI/src/main/java/org/tukaani/xz/BlockInputStream.java

@@ -195,10 +195,12 @@ class BlockInputStream extends InputStream {
             filterChain = filters[i].getInputStream(filterChain);
     }
 
+    @Override
     public int read() throws IOException {
         return read(tempBuf, 0, 1) == -1 ? -1 : (tempBuf[0] & 0xFF);
     }
 
+    @Override
     public int read(byte[] buf, int off, int len) throws IOException {
         if (endReached)
             return -1;