diff --git a/src/main/org/apache/tools/ant/UnknownElement.java b/src/main/org/apache/tools/ant/UnknownElement.java
index 45660ca45..5eb781105 100644
--- a/src/main/org/apache/tools/ant/UnknownElement.java
+++ b/src/main/org/apache/tools/ant/UnknownElement.java
@@ -269,9 +269,9 @@ public class UnknownElement extends Task {
      */
     protected void handleErrorFlush(String output) {
         if (realThing instanceof Task) {
-            ((Task) realThing).handleErrorOutput(output);
+            ((Task) realThing).handleErrorFlush(output);
         } else {
-            super.handleErrorOutput(output);
+            super.handleErrorFlush(output);
         }
     }
 
diff --git a/src/main/org/apache/tools/ant/taskdefs/Java.java b/src/main/org/apache/tools/ant/taskdefs/Java.java
index 180128c22..19f4e32a6 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Java.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Java.java
@@ -732,7 +732,7 @@ public class Java extends Task {
         if (redirector.getErrorStream() != null) {
             redirector.handleErrorFlush(output);
         } else {
-            super.handleErrorOutput(output);
+            super.handleErrorFlush(output);
         }
     }
 
diff --git a/src/main/org/apache/tools/ant/taskdefs/Redirector.java b/src/main/org/apache/tools/ant/taskdefs/Redirector.java
index 7d5049c71..7f39a5e17 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Redirector.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Redirector.java
@@ -843,6 +843,7 @@ public class Redirector {
                 errorPrintStream = new PrintStream(errorStream);
             }
             errorPrintStream.print(output);
+            errorPrintStream.flush();
         }
     }