Fix error message and use .valid() for testing for parse error

1 files changed, 3 insertions, 3 deletions

diff --git a/configserver/src/main/java/com/yahoo/vespa/config/server/metrics/MetricsRetriever.java b/configserver/src/main/java/com/yahoo/vespa/config/server/metrics/MetricsRetriever.java
index 191014ded78..01255fb5c2e 100644
--- a/configserver/src/main/java/com/yahoo/vespa/config/server/metrics/MetricsRetriever.java
+++ b/configserver/src/main/java/com/yahoo/vespa/config/server/metrics/MetricsRetriever.java
@@ -41,10 +41,10 @@ public class MetricsRetriever {
 
     private void getHostMetrics(URI hostURI, MetricsAggregator metrics) {
             Slime responseBody = doMetricsRequest(hostURI);
-            var parseError = responseBody.get().field("error_message").asString();
+            var parseError = responseBody.get().field("error_message");
 
-            if (! parseError.isEmpty()) {
-                log.info("Failed to retrieve logs from " + hostURI + ": " + parseError);
+            if (parseError.valid()) {
+                log.info("Failed to retrieve metrics from " + hostURI + ": " + parseError.asString());
             }
 
             Inspector services = responseBody.get().field("services");