diff --git a/javascript.editing/src/org/netbeans/modules/javascript/editing/JsIndex.java b/javascript.editing/src/org/netbeans/modules/javascript/editing/JsIndex.java
--- a/javascript.editing/src/org/netbeans/modules/javascript/editing/JsIndex.java
+++ b/javascript.editing/src/org/netbeans/modules/javascript/editing/JsIndex.java
@@ -118,7 +118,8 @@
             try {
                 return querySupport.query(fieldName, fieldValue, kind, fieldsToLoad);
             } catch (IOException ioe) {
-                LOG.log(Level.WARNING, null, ioe);
+                // #177426: we shouldn't use Level.WARNING here.
+                LOG.log(Level.FINE, null, ioe);
             }
         }