Classify exceptions better to avoid unnecessary stack traces

4 files changed, 4 insertions, 4 deletions

diff --git a/config-model/src/main/java/com/yahoo/config/model/ConfigModelRepo.java b/config-model/src/main/java/com/yahoo/config/model/ConfigModelRepo.java
index 8d192414871..77b71a66118 100644
--- a/config-model/src/main/java/com/yahoo/config/model/ConfigModelRepo.java
+++ b/config-model/src/main/java/com/yahoo/config/model/ConfigModelRepo.java
@@ -153,7 +153,7 @@ public class ConfigModelRepo implements ConfigModelRepoAdder, Serializable, Iter
             Collection<ConfigModelBuilder> builders = configModelRegistry.resolve(xmlId);
 
             if (builders.isEmpty())
-                throw new RuntimeException("Could not resolve tag <" + tagName + " version=\"" + tagVersion + "\"> to a config model component");
+                throw new IllegalArgumentException("Could not resolve tag <" + tagName + " version=\"" + tagVersion + "\"> to a config model component");
 
             for (ConfigModelBuilder builder : builders) {
                 if ( ! model2Element.containsKey(builder)) {
diff --git a/config-model/src/main/java/com/yahoo/config/model/deploy/DeployState.java b/config-model/src/main/java/com/yahoo/config/model/deploy/DeployState.java
index dac62ce7e1b..bb8c4141873 100644
--- a/config-model/src/main/java/com/yahoo/config/model/deploy/DeployState.java
+++ b/config-model/src/main/java/com/yahoo/config/model/deploy/DeployState.java
@@ -161,7 +161,7 @@ public class DeployState implements ConfigDefinitionStore {
             return hostsReader == null ? new SingleNodeProvisioner() : new HostsXmlProvisioner(hostsReader);
         }
         catch (IOException e) {
-            throw new IllegalStateException("Could not read hosts.xml", e);
+            throw new RuntimeException("Could not read hosts.xml", e);
         }
     }
 
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;
     }
 
diff --git a/config-model/src/main/java/com/yahoo/config/model/provision/Hosts.java b/config-model/src/main/java/com/yahoo/config/model/provision/Hosts.java
index c678618311e..c9a03dad65e 100644
--- a/config-model/src/main/java/com/yahoo/config/model/provision/Hosts.java
+++ b/config-model/src/main/java/com/yahoo/config/model/provision/Hosts.java
@@ -72,7 +72,7 @@ public class Hosts {
         for (Element hostE : XML.getChildren(doc.getDocumentElement(), "host")) {
             String name = hostE.getAttribute("name");
             if (name.equals("")) {
-                throw new RuntimeException("Missing 'name' attribute for host.");
+                throw new IllegalArgumentException("Missing 'name' attribute for host.");
             }
             if ("localhost".equals(name)) {
                 name = HostName.getLocalhost();