diff --git a/classpath/java/io/File.java b/classpath/java/io/File.java
index bfae0da9b6..a77502c041 100644
--- a/classpath/java/io/File.java
+++ b/classpath/java/io/File.java
@@ -35,11 +35,16 @@ public class File implements Serializable {
     this(parent.getPath() + FileSeparator + child);
   }
 
-  public static File createTempFile(String prefix, String suffix) {
+  public static File createTempFile(String prefix, String suffix)
+    throws IOException
+  {
     return createTempFile(prefix, suffix, null);
   }
 
-  public static File createTempFile(String prefix, String suffix, File directory) {
+  public static File createTempFile(String prefix, String suffix,
+                                    File directory)
+    throws IOException
+  {
     if(directory == null) {
       directory = new File(System.getProperty("java.io.tmpdir"));
     }
diff --git a/test/Files.java b/test/Files.java
index 7661e79018..f3d1988f31 100644
--- a/test/Files.java
+++ b/test/Files.java
@@ -21,7 +21,9 @@ public class Files {
     
   }
 
-  private static void setExecutableTestWithPermissions(boolean executable) {
+  private static void setExecutableTestWithPermissions(boolean executable)
+    throws Exception
+  {
     File file = File.createTempFile("avian.", null);
     file.setExecutable(executable);
     if (executable) {
@@ -33,7 +35,7 @@ public class Files {
     }
   }
   
-  public static void main(String[] args) {
+  public static void main(String[] args) throws Exception {
     isAbsoluteTest(true);
     isAbsoluteTest(false);
     setExecutableTestWithPermissions(true);