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kandi X-RAY | Kaazing Summary
kandi X-RAY | Kaazing Summary
Have you ever heard of the WebSocket protocol? In short, it upgrades an HTTP connection to a stateful socket. In 2014, Kaazing had been leveraging WebSocket to deliver real-time messaging to the Web. Their work was mostly focused around AMQP, but MQTT and others also showed up from time-to-time. I learned a lot of respect for publish-subscribe infrastructure while at Kaazing. I even wrote an implementation of STOMP (Simple Text-Oriented Message Protocol) for Arduino, and a basic JavaScript client for AMQP. Kaazing was a startup. My previous employer, Adobe, was 10,000+ employees at the time. I was looking forward to the dynamic environment. Kaazing did not let me down. We produced countless demonstrations during my one year as Principal Evangelist. Most of the code in this repository will not even run anymore - the core products have pivoted considerably over the years. I keep it around for inspiration, and to occasionally reference patterns of problems I have solved in the past.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Kaazing
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QUESTION
There is a simple host with a TestActor that only writes a string it receives to the console:
...ANSWER
Answered 2018-Jul-22 at 18:48It turns out that the issue stems from the fact that the projects are dependent on .NET Core 2.1 which Akka does not support yet according to this:
We don't officially support .NET Core 2.1 yet. Heck, we aren't even on netstandard 2.0 yet (although work is underway). But thanks for confirming that there are indeed issues :)
After switching to .NET Core 2.0, I can no longer reproduce described issue.
QUESTION
I have an aws ELB, behind the ELB I have a HAProxy.
Here is the proxy config file.
cat /etc/haproxy/haproxy.cfg
ANSWER
Answered 2017-Nov-26 at 17:34This almost certainly results in an incorrect HTTP request:
QUESTION
In an Android app (with minSdkVersion 16) I use the nv-websocket-client library:
ANSWER
Answered 2017-Nov-19 at 17:30Put ReconnectService in its own class (not an inner class to MainActivity). Alternatively, try making the inner class static.
The way non-static inner classes work in Java is that they can only be instantiated by an instance of the outer class. This is what allows instances of the inner class to access members of the outer class. So, when Android is trying to create an instance of the inner class, it can't do so because it doesn't know what instance of the outer class it should be a part of. The error message is a bit misleading.
QUESTION
For a project in university we should build a multiplayer game. Cause I have quiet a lot experience in Unity I want to use it as Game Engine. We have to use WebSockets for communication and json as protocoll to carry the data.
So far so good. C# don´t have a default websocket implementation, so I use a library called websocket-sharp for that (https://github.com/sta/websocket-sharp).
My Code on client (Unity) side is as followed:
...ANSWER
Answered 2017-Nov-17 at 13:30A day later I found the problem.
Websockets have the ability to handle string, byte[] and some more formats.
I sended my data like this:
QUESTION
To test KWG, as Kazzing suggested, tried to run template-simple-chat-app-master & follow instruction steps, up to step 3, it was successfully done and "chat server" & "Kaazing WebSocket Gateway" correctly started. but when tried to connect client/agent URLs, there was no response and 400 code was replied from server! default port "8080" is free. however other port was tested and the response was the same. tried it in Win 10. Can anyone give an advice to solve the problem? thanks in advance!!!
...ANSWER
Answered 2017-Oct-27 at 14:57It is a known issue that there is no Windows script for step 3.
Since the template runs just fine on Linux, it is safe to say that the problem lies within the startup script you have created for step 3. There are a lot of environment variable configurations which are very easy to get wrong.
We recommend that you run the chat app template on Linux. But if you must use Windows, you should revise the aforementioned script.
QUESTION
I wrote a simple WebSocket client. I used the code I found on SO, here: How can I send and receive WebSocket messages on the server side?.
I'm using Python 2.7 and my server is echo.websocket.org on 80 TCP port. Basically, I think that I have a problem with receiving messages. (Or maybe the sending is wrong too?)
At least I am sure that the handshake is all ok, since I receive a good handshake response:
...ANSWER
Answered 2017-May-08 at 11:12Accoding to https://tools.ietf.org/html/rfc6455#section-5.1:
You should mask the client frames. (And the server frames is not masked at all.)
- a client MUST mask all frames that it sends to the server (see Section 5.3 for further details). (Note that masking is done whether or not the WebSocket Protocol is running over TLS.) The server MUST close the connection upon receiving a frame that is not masked. In this case, a server MAY send a Close frame with a status code of 1002 (protocol error) as defined in Section 7.4.1. A server MUST NOT mask any frames that it sends to the client. A client MUST close a connection if it detects a masked frame。
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