Index: org/apache/catalina/tribes/membership/MemberImpl.java
===================================================================
--- org/apache/catalina/tribes/membership/MemberImpl.java	(revision 831814)
+++ org/apache/catalina/tribes/membership/MemberImpl.java	(working copy)
@@ -490,7 +490,7 @@
      * String representation of this object
      */
     public String toString()  {
-        StringBuffer buf = new StringBuffer("org.apache.catalina.tribes.membership.MemberImpl[");
+        StringBuilder buf = new StringBuilder("org.apache.catalina.tribes.membership.MemberImpl[");
         buf.append(getName()).append(",");
         buf.append(getHostname()).append(",");
         buf.append(port).append(", alive=");
@@ -506,7 +506,7 @@
         return bToS(data,data.length);
     }
     public static String bToS(byte[] data, int max) {
-        StringBuffer buf = new StringBuffer(4*16);
+        StringBuilder buf = new StringBuilder(4*16);
         buf.append("{");
         for (int i=0; data!=null && i<data.length; i++ ) {
             buf.append(String.valueOf(data[i])).append(" ");