Classify exceptions better to avoid unnecessary stack traces

1 files changed, 1 insertions, 1 deletions

diff --git a/config-model/src/main/java/com/yahoo/config/model/producer/AbstractConfigProducer.java b/config-model/src/main/java/com/yahoo/config/model/producer/AbstractConfigProducer.java
index 47a5fb24a43..0ebc661f1d7 100644
--- a/config-model/src/main/java/com/yahoo/config/model/producer/AbstractConfigProducer.java
+++ b/config-model/src/main/java/com/yahoo/config/model/producer/AbstractConfigProducer.java
@@ -160,7 +160,7 @@ public abstract class AbstractConfigProducer<CHILD extends AbstractConfigProduce
      * because config IDs must be registered through setConfigId().
      */
     public final String getConfigId() {
-        if (configId == null) throw new RuntimeException("The system topology must be frozen first.");
+        if (configId == null) throw new IllegalStateException("The system topology must be frozen first.");
         return configId;
     }