1 files changed, 6 insertions, 2 deletions
diff --git a/ECOMP-PDP-REST/src/main/java/org/openecomp/policy/pdp/rest/api/services/GetMetricsService.java b/ECOMP-PDP-REST/src/main/java/org/openecomp/policy/pdp/rest/api/services/GetMetricsService.java
index d390df864..dc431b0d5 100644
--- a/ECOMP-PDP-REST/src/main/java/org/openecomp/policy/pdp/rest/api/services/GetMetricsService.java
+++ b/ECOMP-PDP-REST/src/main/java/org/openecomp/policy/pdp/rest/api/services/GetMetricsService.java
@@ -118,9 +118,13 @@ public class GetMetricsService {
 					metricsResponse.setPdpMetrics(pdpCount);
 
 				} catch (JsonException | IllegalStateException e) {
+					String jsonString = null;
+					if(json != null){
+						jsonString = json.toString();
+					}
 					message = XACMLErrorConstants.ERROR_DATA_ISSUE
-							+ " improper JSON object : " + json != null ? json.toString() : "JSON is null";
-					LOGGER.error(message);
+							+ " improper JSON object : " + jsonString;
+					LOGGER.error(message + e);
 					metricsResponse.setResponseMessage(message);
 					metricsResponse.setResponseCode(400);
 					return metricsResponse;