Fix unprocessed NPE

Process NPE safe way.

Add no NPE failures tests.

Add caught exceptions logging.

Issue-ID: SDC-2694
Signed-off-by: Dmitry Puzikov <d.puzikov2@partner.samsung.com>
Change-Id: Ic1d6e7f9b4f210ac0ca289dc6f44d7c6e15ef126

1 files changed, 13 insertions, 0 deletions

diff --git a/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/type/ConfigurationQuery.java b/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/type/ConfigurationQuery.java
index faefdb0eb3..ce0657240a 100644
--- a/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/type/ConfigurationQuery.java
+++ b/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/type/ConfigurationQuery.java
@@ -95,4 +95,17 @@ public class ConfigurationQuery {
     public boolean isLatest() {
         return latest;
     }
+
+    @Override
+    public String toString() {
+        return "ConfigurationQuery{" +
+                "tenant='" + tenant + '\'' +
+                ", namespace='" + namespace + '\'' +
+                ", key='" + key + '\'' +
+                ", fallback=" + fallback +
+                ", externalLookup=" + externalLookup +
+                ", latest=" + latest +
+                ", nodeSpecific=" + nodeSpecific +
+                '}';
+    }
 }