Add more debug log for config generations.

2 files changed, 7 insertions, 3 deletions

diff --git a/container-core/src/main/java/com/yahoo/container/di/CloudSubscriberFactory.java b/container-core/src/main/java/com/yahoo/container/di/CloudSubscriberFactory.java
index d50d56f8987..665da965148 100644
--- a/container-core/src/main/java/com/yahoo/container/di/CloudSubscriberFactory.java
+++ b/container-core/src/main/java/com/yahoo/container/di/CloudSubscriberFactory.java
@@ -21,6 +21,8 @@ import java.util.WeakHashMap;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import static java.util.logging.Level.FINE;
+
 /**
  * @author Tony Vaagenes
  * @author ollivir
@@ -108,12 +110,14 @@ public class CloudSubscriberFactory implements SubscriberFactory {
             int numExceptions = 0;
             while ( ! gotNextGen) {
                 try {
-                    if (subscriber.nextGeneration(isInitializing))
+                    if (subscriber.nextGeneration(isInitializing)) {
                         gotNextGen = true;
+                        log.log(FINE, () -> this + " got next config generation " + subscriber.getGeneration() + "\n" + subscriber.toString());
+                    }
                 }
                 catch (IllegalArgumentException e) {
                     numExceptions++;
-                    log.log(Level.WARNING, "Got exception from the config system (ignore if you just removed a " +
+                    log.log(Level.WARNING, this + " got exception from the config system (ignore if you just removed a " +
                                            "component from your application that used the mentioned config) Subscriber info: " +
                                            subscriber.toString(), e);
                     if (numExceptions >= 5)
diff --git a/container-core/src/main/java/com/yahoo/container/di/ConfigRetriever.java b/container-core/src/main/java/com/yahoo/container/di/ConfigRetriever.java
index 73b7126a11f..200b963bcad 100644
--- a/container-core/src/main/java/com/yahoo/container/di/ConfigRetriever.java
+++ b/container-core/src/main/java/com/yahoo/container/di/ConfigRetriever.java
@@ -89,7 +89,7 @@ public final class ConfigRetriever {
                 return bootstrapConfig;
             } else {
                 if (newestBootstrapGeneration == newestComponentGeneration) {
-                    log.log(FINE, () -> "Got new components configs with unchanged bootstrap configs.");
+                    log.log(FINE, () -> this + " got new components configs with unchanged bootstrap configs.");
                     return componentsConfigIfChanged();
                 } else {
                     // This should not be a normal case, and hence a warning to allow investigation.