Index: Lib/javaos.py
===================================================================
--- Lib/javaos.py	(revision 3363)
+++ Lib/javaos.py	(working copy)
@@ -30,7 +30,9 @@
 import java.lang.System
 import javapath as path
 from UserDict import UserDict
+import time
 
+
 class stat_result:
   import stat as _stat
 
@@ -147,10 +149,20 @@
     return stat_result((0, 0, 0, 0, 0, 0, size, mtime, mtime, 0))
 
 def utime(path, times):
-    # Only the modification time is changed (and only on java2).
-    if times and hasattr(File, "setLastModified"):
-        File(path).setLastModified(long(times[1] * 1000.0))
+    """utime(path, (atime, mtime))
+       utime(path, None)
+    
+    Set the access and modified time of the file to the given values.  If the
+    second form is used, set the access and modified times to the current time.
 
+    Note that on Jython only moditified time is set.
+    """   
+    if times is not None:
+        mtime = times[1]
+    else:
+        mtime = time.time()
+    File(path).setLastModified(long(mtime * 1000.0))
+
 class LazyDict( UserDict ):
     """A lazy-populating User Dictionary.
     Lazy initialization is not thread-safe.