From 33b3dc6eaa1325266ef00a040b5c53048c8c8187 Mon Sep 17 00:00:00 2001
From: Amir Wiener <awiener@fortinet.com>
Date: Wed, 4 Jan 2023 23:49:23 +0200
Subject: [PATCH] prevent NPE in TcpSyslogMessageSender.close()

---
 .../com/cloudbees/syslog/sender/TcpSyslogMessageSender.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/cloudbees/syslog/sender/TcpSyslogMessageSender.java b/src/main/java/com/cloudbees/syslog/sender/TcpSyslogMessageSender.java
index 249556f..620d0f6 100644
--- a/src/main/java/com/cloudbees/syslog/sender/TcpSyslogMessageSender.java
+++ b/src/main/java/com/cloudbees/syslog/sender/TcpSyslogMessageSender.java
@@ -288,6 +288,8 @@ public String toString() {
 
     @Override
     public void close() throws IOException {
-        this.socket.close();
+        if (socket != null) {
+            this.socket.close();
+        }
     }
 }