From 6bf82f7e29e78c9ef4eab22530749991f420b2aa Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sat, 9 Jul 2022 16:56:36 -0700
Subject: Filter null unique ids

---
 src/main/java/org/traccar/protocol/WialonProtocolDecoder.java | 2 +-
 src/main/java/org/traccar/session/ConnectionManager.java      | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main/java/org/traccar/protocol/WialonProtocolDecoder.java b/src/main/java/org/traccar/protocol/WialonProtocolDecoder.java
index 8dd7aab24..3d57525b7 100644
--- a/src/main/java/org/traccar/protocol/WialonProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/WialonProtocolDecoder.java
@@ -39,7 +39,7 @@ public class WialonProtocolDecoder extends BaseProtocolDecoder {
     }
 
     private static final Pattern PATTERN_ANY = new PatternBuilder()
-            .expression("([^#]*)?")              // imei
+            .expression("([^#]+)?")              // imei
             .text("#")                           // start byte
             .expression("([^#]+)")               // type
             .text("#")                           // separator
diff --git a/src/main/java/org/traccar/session/ConnectionManager.java b/src/main/java/org/traccar/session/ConnectionManager.java
index abc13988d..ad02c591b 100644
--- a/src/main/java/org/traccar/session/ConnectionManager.java
+++ b/src/main/java/org/traccar/session/ConnectionManager.java
@@ -47,11 +47,13 @@ import javax.inject.Inject;
 import javax.inject.Singleton;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
@@ -114,6 +116,8 @@ public class ConnectionManager implements BroadcastInterface {
         Endpoint endpoint = new Endpoint(channel, remoteAddress);
         Map<String, DeviceSession> endpointSessions = sessionsByEndpoint.getOrDefault(
                 endpoint, new ConcurrentHashMap<>());
+
+        uniqueIds = Arrays.stream(uniqueIds).filter(Objects::nonNull).toArray(String[]::new);
         if (uniqueIds.length > 0) {
             for (String uniqueId : uniqueIds) {
                 DeviceSession deviceSession = endpointSessions.get(uniqueId);
-- 
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