Add log warning when subsciption for component configs fails.

1 files changed, 7 insertions, 1 deletions

diff --git a/container-di/src/main/scala/com/yahoo/container/di/ConfigRetriever.scala b/container-di/src/main/scala/com/yahoo/container/di/ConfigRetriever.scala
index a1b8167171a..3df131b0d26 100644
--- a/container-di/src/main/scala/com/yahoo/container/di/ConfigRetriever.scala
+++ b/container-di/src/main/scala/com/yahoo/container/di/ConfigRetriever.scala
@@ -77,7 +77,13 @@ final class ConfigRetriever(bootstrapKeys: Set[ConfigKeyT],
       componentSubscriber.close()
 
       componentSubscriberKeys = keys
-      componentSubscriber = subscribe(keys)
+      try {
+        componentSubscriber = subscribe(keys)
+      } catch {
+        case e: Throwable =>
+          log.warning(s"Could not set up subscriptions for component configs: ${e.getMessage} - Config keys: $keys")
+          throw e
+      }
     }
   }