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-rw-r--r--src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
index 5a6425e7e..f6712d7f2 100644
--- a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java
@@ -138,10 +138,13 @@ public class DualcamProtocolDecoder extends BaseProtocolDecoder {
break;
case MSG_PATH_RESPONSE:
String file = buf.readCharSequence(buf.readUnsignedShort(), StandardCharsets.US_ASCII).toString();
- ByteBuf response = Unpooled.buffer();
- response.writeShort(MSG_FILE_REQUEST);
- response.writeShort(file.length());
- response.writeCharSequence(file, StandardCharsets.US_ASCII);
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeShort(MSG_FILE_REQUEST);
+ response.writeShort(file.length());
+ response.writeCharSequence(file, StandardCharsets.US_ASCII);
+ channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+ }
break;
default:
break;