diff -r f0dca628176c -r b046ba510bbc src/java.security.jgss/share/classes/sun/security/krb5/internal/ktab/KeyTabEntry.java
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/ktab/KeyTabEntry.java	Tue Nov 12 10:19:04 2019 +0100
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/ktab/KeyTabEntry.java	Tue Nov 12 01:36:17 2019 -0800
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,7 +33,8 @@
 
 import sun.security.krb5.*;
 import sun.security.krb5.internal.*;
-import java.io.UnsupportedEncodingException;
+
+import static java.nio.charset.StandardCharsets.ISO_8859_1;
 
 /**
  * This class represents a Key Table entry. Each entry contains the service principal of
@@ -83,17 +85,10 @@
         int totalPrincipalLength = 0;
         String[] names = service.getNameStrings();
         for (int i = 0; i < names.length; i++) {
-            try {
-                totalPrincipalLength += principalSize + names[i].getBytes("8859_1").length;
-            } catch (UnsupportedEncodingException exc) {
-            }
+            totalPrincipalLength += principalSize + names[i].getBytes(ISO_8859_1).length;
         }
 
-        int realmLen = 0;
-        try {
-            realmLen = realm.toString().getBytes("8859_1").length;
-        } catch (UnsupportedEncodingException exc) {
-        }
+        int realmLen = realm.toString().getBytes(ISO_8859_1).length;
 
         int size = principalComponentSize +  realmSize + realmLen
             + totalPrincipalLength + principalTypeSize