Add more info in log message when config unexpectedly changes

1 files changed, 2 insertions, 4 deletions

diff --git a/config/src/main/java/com/yahoo/config/subscription/impl/ConfigSubscription.java b/config/src/main/java/com/yahoo/config/subscription/impl/ConfigSubscription.java
index f8a45a11b70..a9587da0f0b 100644
--- a/config/src/main/java/com/yahoo/config/subscription/impl/ConfigSubscription.java
+++ b/config/src/main/java/com/yahoo/config/subscription/impl/ConfigSubscription.java
@@ -200,11 +200,9 @@ public abstract class ConfigSubscription<T extends ConfigInstance> {
     void setConfigAndGeneration(Long generation, boolean applyOnRestart, T config, PayloadChecksums payloadChecksums) {
         ConfigState<T> prev = this.config.get();
         boolean configChanged = !Objects.equals(prev.getConfig(), config);
-        String message = "Config has changed unexpectedly for " + key + ", generation " + generation;
         if (configChanged) {
-            if (log.isLoggable(Level.FINE))
-                message = message + ", config in state :" + prev.getConfig() + ", new config: " + config;
-            log.log(Level.WARNING, message);
+            log.log(Level.WARNING, "Config has changed unexpectedly for " + key + ", generation " + generation +
+                    ", config in state :" + prev.getConfig() + ", new config: " + config);
         }
         this.config.set(new ConfigState<>(true, generation, applyOnRestart, configChanged, config, payloadChecksums));
     }