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-rw-r--r--controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/dns/WeightedAliasTarget.java1
1 files changed, 1 insertions, 0 deletions
diff --git a/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/dns/WeightedAliasTarget.java b/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/dns/WeightedAliasTarget.java
index 8f81c94257e..d3d60ecd64d 100644
--- a/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/dns/WeightedAliasTarget.java
+++ b/controller-api/src/main/java/com/yahoo/vespa/hosted/controller/api/integration/dns/WeightedAliasTarget.java
@@ -21,6 +21,7 @@ public class WeightedAliasTarget extends AliasTarget {
public WeightedAliasTarget(HostName name, String dnsZone, ZoneId zone, long weight) {
super(name, dnsZone, zone.value());
this.weight = weight;
+ if (weight < 0) throw new IllegalArgumentException("Weight cannot be negative");
}
/** The weight of this target */