Generalize error message and make tests more realistic

1 files changed, 3 insertions, 2 deletions

diff --git a/configserver/src/main/java/com/yahoo/vespa/config/server/provision/ProvisionerAdapter.java b/configserver/src/main/java/com/yahoo/vespa/config/server/provision/ProvisionerAdapter.java
index 9e232a6533f..d0c08d2747d 100644
--- a/configserver/src/main/java/com/yahoo/vespa/config/server/provision/ProvisionerAdapter.java
+++ b/configserver/src/main/java/com/yahoo/vespa/config/server/provision/ProvisionerAdapter.java
@@ -34,8 +34,9 @@ public class ProvisionerAdapter implements HostProvisioner {
     @Override
     public HostSpec allocateHost(String alias) {
         // TODO: Remove this method since hosted/non-hosted needs different interfaces. See also ModelContextImpl.getHostProvisioner
-        throw new UnsupportedOperationException("Allocating hosts using <node> tags is not supported in hosted environments, " +
-                                                "use <nodes count='N'> instead, see https://cloud.vespa.ai/en/reference/services");
+        throw new UnsupportedOperationException("Clusters in hosted environments must have a <nodes count='N'> tag " +
+                                                "matching all zones, and having no <node> subtags, " +
+                                                "see https://cloud.vespa.ai/en/reference/services");
     }
 
     @Override