From a0991e9461ef0a6a14ba90aa9a91dc9ce790bce9 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 26 Sep 2018 11:45:18 +1200
Subject: Check if log message is provided

---
 src/org/traccar/helper/Log.java | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src/org/traccar/helper')

diff --git a/src/org/traccar/helper/Log.java b/src/org/traccar/helper/Log.java
index 0e7eb64e8..fa732dc9c 100644
--- a/src/org/traccar/helper/Log.java
+++ b/src/org/traccar/helper/Log.java
@@ -124,10 +124,16 @@ public final class Log {
 
         @Override
         public String format(LogRecord record) {
-            StringBuilder message = new StringBuilder(record.getMessage());
+            StringBuilder message = new StringBuilder();
+
+            if (record.getMessage() != null) {
+                message.append(record.getMessage());
+            }
 
             if (record.getThrown() != null) {
-                message.append(" - ");
+                if (message.length() > 0) {
+                    message.append(" - ");
+                }
                 if (fullStackTraces) {
                     StringWriter stringWriter = new StringWriter();
                     PrintWriter printWriter = new PrintWriter(stringWriter);
-- 
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