1 files changed, 16 insertions, 0 deletions
diff --git a/cps-ri/src/main/java/org/onap/cps/ri/CpsDataPersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/ri/CpsDataPersistenceServiceImpl.java
index ee555f7dc8..ecbe447226 100644
--- a/cps-ri/src/main/java/org/onap/cps/ri/CpsDataPersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/ri/CpsDataPersistenceServiceImpl.java
@@ -228,6 +228,9 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
 
         final Collection<String> xpaths = xpathToUpdatedDataNode.keySet();
         Collection<FragmentEntity> existingFragmentEntities = getFragmentEntities(anchorEntity, xpaths);
+
+        logMissingXPaths(xpaths, existingFragmentEntities);
+
         existingFragmentEntities = fragmentRepository.prefetchDescendantsOfFragmentEntities(
             FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS, existingFragmentEntities);
 
@@ -243,6 +246,19 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
         }
     }
 
+    private void logMissingXPaths(final Collection<String> xpaths, final Collection<FragmentEntity>
+            existingFragmentEntities) {
+        final Set<String> existingXPaths = existingFragmentEntities.stream().map(FragmentEntity::getXpath)
+                .collect(Collectors.toSet());
+
+        final Set<String> missingXPaths = xpaths.stream().filter(xpath -> !existingXPaths.contains(xpath))
+                .collect(Collectors.toSet());
+
+        if (!missingXPaths.isEmpty()) {
+            log.warn("Cannot update data nodes: Target XPaths {} not found in DB.", missingXPaths);
+        }
+    }
+
     private void retryUpdateDataNodesIndividually(final AnchorEntity anchorEntity,
                                                   final Collection<FragmentEntity> fragmentEntities) {
         final Collection<String> failedXpaths = new HashSet<>();