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-rw-r--r--src/main/java/org/traccar/handler/CopyAttributesHandler.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/handler/CopyAttributesHandler.java b/src/main/java/org/traccar/handler/CopyAttributesHandler.java
index 405a52ecd..50d36471a 100644
--- a/src/main/java/org/traccar/handler/CopyAttributesHandler.java
+++ b/src/main/java/org/traccar/handler/CopyAttributesHandler.java
@@ -44,7 +44,7 @@ public class CopyAttributesHandler extends BaseDataHandler {
String attributesString = AttributeUtil.lookup(
cacheManager, Keys.PROCESSING_COPY_ATTRIBUTES, position.getDeviceId());
Position last = cacheManager.getPosition(position.getDeviceId());
- if (last != null) {
+ if (last != null && attributesString != null) {
for (String attribute : attributesString.split("[ ,]")) {
if (last.getAttributes().containsKey(attribute)
&& !position.getAttributes().containsKey(attribute)) {