From ef88bb17d0cbd5e0cb7b38d618e08230e3ce2179 Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Wed, 12 Jun 2019 22:31:29 +0200
Subject: [PATCH] Disallow empty string as node in DiscoverInfo

---
 .../java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
index 374f8bdbb..d5b814fd1 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
@@ -203,7 +203,7 @@ public class DiscoverInfo extends IQ implements TypedCloneable<DiscoverInfo> {
      * @param node the node attribute that supplements the 'jid' attribute
      */
     public void setNode(String node) {
-        this.node = node;
+        this.node = StringUtils.requireNullOrNotEmpty(node, "The node can not be the empty string");
     }
 
     /**