[AMQ-6275] Error when using ws transport connector

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 5.13.2
• Fix Version/s: 5.13.4, 5.14.0
• Labels: karaf websocket

Environment

Server:
Linux 3.16.0-38-generic x86_64
Karaf 4.0.5
Java SDK 1.8.0_91-b14

Client:
Linux 3.16.0-38-generic x86_64
Firefox 45.0.2
Eclipse Paho JavaScript Client (https://raw.githubusercontent.com/eclipse/paho.mqtt.javascript/master/src/mqttws31.js)

Also tested with http://www.hivemq.com/demos/websocket-client/

• Assignee: Timothy A. Bish
• Reporter: Cristiano José Sulzbach
• Created: 29/Apr/16 20:23
• Updated: 09/Jun/16 21:33
• Resolved: 09/Jun/16 16:14

Description

Googled it. Only 20 pages found.

broker.xml:

<transportConnectors>
	<!-- DOS protection, limit concurrent connections to 1000 and frame size to 100MB -->
	<transportConnector name="openwire" uri="tcp://0.0.0.0:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600" />
	<transportConnector name="websocket" uri="ws://0.0.0.0:61614" />
	<transportConnector name="mqtt" uri="mqtt+nio://0.0.0.0:1883" />
</transportConnectors>

About 43 topics total.
3 publishers, 1 message per second.
Firefox subscribed to 39 topics (websocket).

After few messages received, the following error occurs (Karaf log:tail):

Transport Connection to: ws://x.x.x.x:xxxx failed: java.io.IOException: Blocking message pending 10000 for BLOCKING