From 39416deb2398b90118e7400504a6d7ebb5cf187c Mon Sep 17 00:00:00 2001
From: Cheryl King <cheryllk@us.ibm.com>
Date: Mon, 5 Jun 2023 16:39:25 -0500
Subject: [PATCH] Check for empty feature

---
 .../tools/common/plugins/util/ServerFeatureUtil.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/io/openliberty/tools/common/plugins/util/ServerFeatureUtil.java b/src/main/java/io/openliberty/tools/common/plugins/util/ServerFeatureUtil.java
index 0c61c266..478fd5f8 100644
--- a/src/main/java/io/openliberty/tools/common/plugins/util/ServerFeatureUtil.java
+++ b/src/main/java/io/openliberty/tools/common/plugins/util/ServerFeatureUtil.java
@@ -371,7 +371,12 @@ private Set<String> parseFeatureManagerNode(Element node) {
                         } else {
                             content = content.trim();
                         }
-                        result.add(content);
+                        // Check for empty feature element, skip it and log warning.
+                        if (content.isEmpty()) {
+                            warn("An empty feature was specified in a server configuration file. Ensure that the features are valid.");
+                        } else {
+                            result.add(content);
+                        }
                 	}
                 }
             }