Index: org/apache/catalina/tribes/ChannelException.java
===================================================================
--- org/apache/catalina/tribes/ChannelException.java	(revision 831814)
+++ org/apache/catalina/tribes/ChannelException.java	(working copy)
@@ -81,7 +81,7 @@
      * @see java.lang.Exception#getMessage()
      */
     public String getMessage() {
-        StringBuffer buf = new StringBuffer(super.getMessage());
+        StringBuilder buf = new StringBuilder(super.getMessage());
         if (faultyMembers==null || faultyMembers.size() == 0 ) {
             buf.append("; No faulty members identified.");
         } else {
Index: org/apache/catalina/tribes/UniqueId.java
===================================================================
--- org/apache/catalina/tribes/UniqueId.java	(revision 831814)
+++ org/apache/catalina/tribes/UniqueId.java	(working copy)
@@ -64,7 +64,7 @@
     }
     
     public String toString() {
-        StringBuffer buf = new StringBuffer("UniqueId");
+        StringBuilder buf = new StringBuilder("UniqueId");
         buf.append(org.apache.catalina.tribes.util.Arrays.toString(id));
         return buf.toString();
     }