1 files changed, 11 insertions, 0 deletions
diff --git a/dcae-analytics-cdap-tca/src/main/java/org/onap/dcae/apod/analytics/cdap/tca/validator/TCAPreferencesValidator.java b/dcae-analytics-cdap-tca/src/main/java/org/onap/dcae/apod/analytics/cdap/tca/validator/TCAPreferencesValidator.java
index 261b74d..0eb96c4 100644
--- a/dcae-analytics-cdap-tca/src/main/java/org/onap/dcae/apod/analytics/cdap/tca/validator/TCAPreferencesValidator.java
+++ b/dcae-analytics-cdap-tca/src/main/java/org/onap/dcae/apod/analytics/cdap/tca/validator/TCAPreferencesValidator.java
@@ -79,6 +79,17 @@ public class TCAPreferencesValidator implements CDAPAppSettingsValidator<TCAAppP
             }
         }
 
+        final Boolean enableRedisCaching = appPreferences.getEnableRedisCaching();
+
+        // if redis distributed caching is enabled then redis Hosts must be provided
+        if(enableRedisCaching) {
+            final String redisHosts = appPreferences.getRedisHosts();
+            if(isEmpty(redisHosts)) {
+                validationResponse.addErrorMessage("redisHosts",
+                        "Redis Caching is enabled but no redis hosts are provided");
+            }
+        }
+
         return validationResponse;
     }
 }