2 files changed, 4 insertions, 2 deletions
diff --git a/libjava/classpath/gnu/javax/print/ipp/IppRequest.java b/libjava/classpath/gnu/javax/print/ipp/IppRequest.java
index 05a6faae72e..3de88715a68 100644
--- a/libjava/classpath/gnu/javax/print/ipp/IppRequest.java
+++ b/libjava/classpath/gnu/javax/print/ipp/IppRequest.java
@@ -469,7 +469,7 @@ public class IppRequest
         }
       else
         {
-          new IppException("Unknown target operation attribute combination.");
+          throw new IppException("Unknown target operation attribute combination.");
         }      
       
       writeAttributes(attributes);
diff --git a/libjava/classpath/gnu/javax/print/ipp/attribute/RequestedAttributes.java b/libjava/classpath/gnu/javax/print/ipp/attribute/RequestedAttributes.java
index ae9d32dfdbd..814fe2d0a74 100644
--- a/libjava/classpath/gnu/javax/print/ipp/attribute/RequestedAttributes.java
+++ b/libjava/classpath/gnu/javax/print/ipp/attribute/RequestedAttributes.java
@@ -38,6 +38,8 @@ exception statement from your version. */
 
 package gnu.javax.print.ipp.attribute;
 
+import gnu.java.lang.CPStringBuilder;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -117,7 +119,7 @@ public final class RequestedAttributes implements Attribute
    */
   public String toString()
   {
-    StringBuffer b = new StringBuffer();
+    CPStringBuilder b = new CPStringBuilder();
     
     if (attributes.size() > 0)
       b.append(attributes.get(0));