Fix null not accepted on PDP message

Issue-ID: POLICY-1648
Change-Id: I580d1c433cd3a5730b115ef6353770f17939cf3a
Signed-off-by: liamfallon <liam.fallon@est.tech>

1 files changed, 1 insertions, 1 deletions

diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/concepts/JpaPdp.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/concepts/JpaPdp.java
index 627641825..528d6fbe7 100644
--- a/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/concepts/JpaPdp.java
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/concepts/JpaPdp.java
@@ -193,7 +193,7 @@ public class JpaPdp extends PfConcept implements PfAuthorative<Pdp>, Serializabl
                     "PDP health status may not be null"));
         }
 
-        if (StringUtils.isBlank(message)) {
+        if (message != null && StringUtils.isBlank(message)) {
             result.addValidationMessage(new PfValidationMessage(key, this.getClass(), ValidationResult.INVALID,
                     "message may not be blank"));
         }