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-rw-r--r--src/org/traccar/api/AsyncSocket.java4
-rw-r--r--src/org/traccar/api/AsyncSocketServlet.java8
2 files changed, 8 insertions, 4 deletions
diff --git a/src/org/traccar/api/AsyncSocket.java b/src/org/traccar/api/AsyncSocket.java
index 7de182d7e..96ad2c450 100644
--- a/src/org/traccar/api/AsyncSocket.java
+++ b/src/org/traccar/api/AsyncSocket.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2015 - 2016 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -66,7 +66,7 @@ public class AsyncSocket extends WebSocketAdapter implements ConnectionManager.U
}
private void sendData(String key, Collection<?> data) {
- if (!data.isEmpty()) {
+ if (!data.isEmpty() && isConnected()) {
JsonObjectBuilder json = Json.createObjectBuilder();
json.add(key, JsonConverter.arrayToJson(data));
getRemote().sendString(json.build().toString(), null);
diff --git a/src/org/traccar/api/AsyncSocketServlet.java b/src/org/traccar/api/AsyncSocketServlet.java
index edfa8939b..ef6cef732 100644
--- a/src/org/traccar/api/AsyncSocketServlet.java
+++ b/src/org/traccar/api/AsyncSocketServlet.java
@@ -33,8 +33,12 @@ public class AsyncSocketServlet extends WebSocketServlet {
factory.setCreator(new WebSocketCreator() {
@Override
public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp) {
- long userId = (Long) req.getSession().getAttribute(SessionResource.USER_ID_KEY);
- return new AsyncSocket(userId);
+ if (req.getSession() != null) {
+ long userId = (Long) req.getSession().getAttribute(SessionResource.USER_ID_KEY);
+ return new AsyncSocket(userId);
+ } else {
+ return null;
+ }
}
});
}