diff --git a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/Visitor.java b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/Visitor.java
index 38a7647..3e7b30b 100644
--- a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/Visitor.java
+++ b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/Visitor.java
@@ -3,6 +3,7 @@
  * org.onap.aaf
  * ===========================================================================
  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 IBM.
  * ===========================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,6 +21,7 @@
 
 package org.onap.aaf.auth.batch.helpers;
 
+@FunctionalInterface
 public interface Visitor<T> {
     void visit(T t);
     
diff --git a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/ApprovedRpt.java b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/ApprovedRpt.java
index b2fd8a9..ea196b1 100644
--- a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/ApprovedRpt.java
+++ b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/ApprovedRpt.java
@@ -3,6 +3,7 @@
  * org.onap.aaf
  * ===========================================================================
  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 IBM.
  * ===========================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -63,13 +64,6 @@
         
         TimeTaken tt0 = trans.start("Cassandra Initialization", Env.SUB);
         try {
-//            TimeTaken tt = trans.start("Connect to Cluster", Env.REMOTE);
-//            try {
-//                session = cluster.connect();
-//            } finally {
-//                tt.done();
-//            }
-            
             now = new Date();
             String sdate = Chrono.dateOnlyStamp(now);
             File file = new File(logDir(),APPR_RPT + sdate +CSV);
@@ -90,29 +84,6 @@
             Map<String,Boolean> checked = new TreeMap<String, Boolean>();
             
             final AuthzTrans transNoAvg = trans.env().newTransNoAvg();
-//            ResultSet results;
-//            Statement stmt = new SimpleStatement( "select dateof(id), approver, status, user, type, memo from authz.approved;" );
-//            results = session.execute(stmt);
-//            Iterator<Row> iter = results.iterator();
-//            Row row;
-            /*
-             *             while (iter.hasNext()) {
-                ++totalLoaded;
-                row = iter.next();
-                d = row.getTimestamp(0);
-                if(d.after(begin)) {
-                    approvedW.row("aprvd",
-                            Chrono.dateOnlyStamp(d),
-                            row.getString(1),
-                            row.getString(2),
-                            row.getString(3),
-                            row.getString(4),
-                            row.getString(5)
-                    );
-                }
-            }
-
-             */
             int totalLoaded = 0;
             Date d;
             GregorianCalendar gc = new GregorianCalendar();
diff --git a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/NotifyCredBody.java b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/NotifyCredBody.java
index 7001c02..8eaf6a8 100644
--- a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/NotifyCredBody.java
+++ b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/NotifyCredBody.java
@@ -22,7 +22,7 @@
  */
 package org.onap.aaf.auth.batch.reports.bodies;
 
-import java.io.IOException;
+
 import java.util.GregorianCalendar;
 import java.util.List;
 
diff --git a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneMonthNotifyCredBody.java b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneMonthNotifyCredBody.java
index 8747ebf..417d4be 100644
--- a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneMonthNotifyCredBody.java
+++ b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneMonthNotifyCredBody.java
@@ -26,7 +26,7 @@
 import org.onap.aaf.cadi.Access;
 
 public class OneMonthNotifyCredBody extends NotifyCredBody {
-    public OneMonthNotifyCredBody(Access access) throws IOException {
+    public OneMonthNotifyCredBody(Access access){
         super(access, ExpireRange.ONE_MONTH);
     }
     
diff --git a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneWeekNotifyCredBody.java b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneWeekNotifyCredBody.java
index a1277d5..dae48d8 100644
--- a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneWeekNotifyCredBody.java
+++ b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/reports/bodies/OneWeekNotifyCredBody.java
@@ -26,7 +26,7 @@
 import org.onap.aaf.cadi.Access;
 
 public class OneWeekNotifyCredBody extends NotifyCredBody {
-    public OneWeekNotifyCredBody(Access access) throws IOException {
+    public OneWeekNotifyCredBody(Access access){
         super(access, ExpireRange.ONE_WEEK);
     }
 
diff --git a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java
index 3632aa1..818ae14 100644
--- a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java
+++ b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java
@@ -3,6 +3,7 @@
  * org.onap.aaf
  * ===========================================================================
  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 IBM.
  * ===========================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,6 +30,7 @@
  * @author Jonathan
  *
  */
+@FunctionalInterface
 public interface Cacheable {
     public int[] invalidate(Cached<?,?> cache);
 }
diff --git a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/hl/Question.java b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/hl/Question.java
index dddf3b5..1b20b90 100644
--- a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/hl/Question.java
+++ b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/hl/Question.java
@@ -496,7 +496,6 @@
             Result<List<NsDAO.Data>> rld = nsDAO.read(trans, lookup);
             if (rld.isOKhasData()) {
                 nsd=rld.value.get(0);
-                lookup = nsd.parent;
                 if (type.type == nsd.type) {
                     return Result.ok(nsd);
                 } else {
diff --git a/cadi/core/src/main/java/org/onap/aaf/cadi/AES.java b/cadi/core/src/main/java/org/onap/aaf/cadi/AES.java
index c4f3d50..4ec5168 100644
--- a/cadi/core/src/main/java/org/onap/aaf/cadi/AES.java
+++ b/cadi/core/src/main/java/org/onap/aaf/cadi/AES.java
@@ -63,7 +63,7 @@
         return kgen.generateKey();
     }
 
-    public AES(byte[] aeskey, int offset, int len) throws IOException, NoSuchAlgorithmException, NoSuchPaddingException {
+    public AES(byte[] aeskey, int offset, int len){
         aeskeySpec = new SecretKeySpec(aeskey,offset,len,AES);
     }