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From Timothy Bish <tabish...@gmail.com>
Subject Re: Trying to send and receive text messages using ActiveMQ with JavaScript (AMQP) and Java (OpenWire/JMS) clients
Date Tue, 13 Feb 2018 23:46:51 GMT
On 02/13/2018 06:22 PM, Jeroen van Ooststroom wrote:
>
> Thank you for your response.
>
> When I upgrade to ActiveMQ 5.15.3 my simple JavaScript client isn't 
> able to connect to the AMQP connector anymore:
>
>     error on read: ProtocolError: SASL layer not enabled
>     (buffer:0x41,0x4d,0x51,0x50,0x03,0x01,0x00,0x00)
>
> I'm not familiar with this. Does this mean I require a SASL client now 
> with a username/password to authenticate? 
> (https://github.com/grs/rhea/blob/master/examples/sasl/simple_sasl_client.js) 
> If so, I assume this affects the way the Java client connects as well?
>
> Thanks,
> Jeroen...
>
> On 13/02/2018 23:45, Timothy Bish wrote:
>> On 02/13/2018 05:29 PM, Jeroen van Ooststroom wrote:
>>> I have a simple test JavaScript (Node.js) client that connects to 
>>> ActiveMQ using AMQP and our Java client that connects to the same 
>>> ActiveMQ using OpenWire (JMS). When I send a message from the 
>>> JavaScript client (just a simple “Hello World!”) it is received by 
>>> the Java client as a javax.jms.BytesMessage. However the contents of 
>>> this BytesMessage contains a bunch of bytes in front of the actual 
>>> “Hello World!” message:
>>>
>>>    “SpESsESw�
>>>    Hello World!”
>>>
>>> I'm using the ActiveMQ's (5.13.4) and Qpid's suggested Rhea 
>>> JavaScript (Node.js) library for the simple JavaScript client for 
>>> testing. On the Java-side of things I'm using plain JMS 1.0.
>>>
>>> The Rhea example I'm using is basically according to this sample: 
>>> https://github.com/grs/rhea/blob/master/examples/helloworld.js
>>>
>>> I'm using the default AMQP configuration in order to enable the 
>>> protocol in activemq.xml:
>>>
>>>    <transportConnector name="amqp"
>>> uri="amqp://0.0.0.0:5672?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>

>>>
>>>
>>> When I try to add "&transport.transformer=jms" or 
>>> "&transport.transformer=raw" the JavaScript client is unable to 
>>> connect anymore.
>>>
>>> How do I get it so that it only contains the “Hello World!” message? 
>>> Do I need to parse out the bytes contained in the BytesMessage?
>>>
>>> Thanks,
>>> Jeroen...
>>>
>>>
>> Try upgrading to ActiveMQ 5.15.3 which will have improved AMQP 
>> support over that older version.
>>
>
Yes, you need to either connect via SASL or configure the 
transportConnector to accept non-SASL connections if you have not 
secured your broker (you really should secure your broker).

wireFormat.allowNonSaslConnections=true

-- 
Tim Bish
twitter: @tabish121
blog: http://timbish.blogspot.com/


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