Slightly simplified code, link to root cause

h2/src/main/org/h2/store/fs/FileSystemDisk.java

@@ -272,29 +272,27 @@ public class FileSystemDisk extends FileSystem {
     }
 
     private boolean canWriteInternal(File file) {
-        if (file.canWrite()) {
-            // Does not respect windows user permissions,
-            // so we must try to open it mode "rw".
+        if (!file.canWrite()) {
+            return false;
+        }
+        // File.canWrite() does not respect windows user permissions,
+        // so we must try to open it using the mode "rw".
         // See also http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4420020
-            RandomAccessFile randomAccessFile = null;
+        RandomAccessFile r = null;
         try {
-                randomAccessFile = new RandomAccessFile(file, "rw");
+            r = new RandomAccessFile(file, "rw");
+            return true;
         } catch (FileNotFoundException e) {
             return false;
         } finally {
-                if (randomAccessFile != null) {
+            if (r != null) {
                 try {
-                        randomAccessFile.close();
-                    } catch (Exception e) {
+                    r.close();
+                } catch (IOException e) {
                     // ignore
                 }
             }
         }
-
-            return true;
-        } else {
-            return false;
-        }
     }
 
     public void copy(String original, String copy) throws SQLException {