diff --git a/src/core/org/luaj/vm2/lib/IoLib.java b/src/core/org/luaj/vm2/lib/IoLib.java
index 6987ac70..67d5d2ae 100644
--- a/src/core/org/luaj/vm2/lib/IoLib.java
+++ b/src/core/org/luaj/vm2/lib/IoLib.java
@@ -270,7 +270,7 @@ public class IoLib extends OneArgFunction {
 				f = checkfile(env);
 				return freadline(f);
 			}
-		} catch ( Exception ioe ) {
+		} catch ( IOException ioe ) {
 			return errorresult(ioe);
 		}
 		return NONE;
@@ -319,10 +319,14 @@ public class IoLib extends OneArgFunction {
 		return varargsOf(NIL, valueOf(errortext));
 	}
 
-	private Varargs lines(final File f) throws Exception {
-		IoLib iter = (IoLib) getClass().newInstance();
-		iter.setfenv(f);
-		return iter.bindv("lnext",LINES_ITER);
+	private Varargs lines(final File f) {
+		try {
+			IoLib iter = (IoLib) getClass().newInstance();
+			iter.setfenv(f);
+			return iter.bindv("lnext",LINES_ITER);
+		} catch ( Exception e ) {
+			return error("lines: "+e);
+		}
 	}
 
 	private static Varargs iowrite(File f, Varargs args) throws IOException {
diff --git a/test/lua/iolib.lua b/test/lua/iolib.lua
index 0edf27be..ec87c0cb 100644
--- a/test/lua/iolib.lua
+++ b/test/lua/iolib.lua
@@ -111,7 +111,11 @@ print( "a:read", ( a:read(7) ) )
 print( "b:read", ( b:read(7) ) ) 
 --]]
 
-local pcall = function(...)	return ( pcall(...) )end
+local pcall = function(...)	
+	local s,e  = pcall(...)
+	if s then return s end
+	return s,e:match("closed")
+end
 
 print( 'a:close', pcall( a.close, a ) )
 print( 'a:write', pcall( a.write, a, 'eee') )