X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=cps-service%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fcps%2Fspi%2Fmodel%2FDataNodeBuilder.java;h=4a9957deb45eb3e48c17c09cae6bdbec8ca9e605;hb=657a97124f0890f6bb5fec61a37978a6aa00a29d;hp=762e61ac591ef75cf6eca8d8e389cf832c11cfe6;hpb=c6865f33336bcdcd79eb2659b1a7df130aee9452;p=cps.git

diff --git a/cps-service/src/main/java/org/onap/cps/spi/model/DataNodeBuilder.java b/cps-service/src/main/java/org/onap/cps/spi/model/DataNodeBuilder.java
index 762e61ac5..4a9957deb 100644
--- a/cps-service/src/main/java/org/onap/cps/spi/model/DataNodeBuilder.java
+++ b/cps-service/src/main/java/org/onap/cps/spi/model/DataNodeBuilder.java
@@ -29,6 +29,7 @@ import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.spi.exceptions.DataValidationException;
 import org.onap.cps.utils.YangUtils;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
@@ -142,6 +143,10 @@ public class DataNodeBuilder {
 
     private DataNode buildFromNormalizedNodeTree() {
         final Collection<DataNode> dataNodeCollection = buildCollectionFromNormalizedNodeTree();
+        if (!dataNodeCollection.iterator().hasNext()) {
+            throw new DataValidationException(
+                "Unsupported xpath: ", "Unsupported xpath as it is referring to one element");
+        }
         return dataNodeCollection.iterator().next();
     }