Vaadin Push - WARNING: Websocket protocol not supported

Vaadin 6 / 7 / 8
1

All,

what is the root problem why websocket is not supported on my environment ?
I am using Vaadin 7.5.8, Tomcat 8.0.24, Java 8 u45

I had follow to exclude this :

com.vaadin vaadin-client-compiler ${vaadin.version} org.eclipse.jetty jetty-servlets org.eclipse.jetty jetty-annotations org.eclipse.jetty jetty-util

but the warning still popup and the push is not working

please enlight me

rgrds
ngh

2

Hi Nengah,

does this old ticket relate to or answer your question?
https://dev.vaadin.com/ticket/16789

Note especially this comment:
You should always set the provided on vaadin-client-compiler as it does not need to (and should not be) deployed. Then you will avoid Jetty (and other dependency) version conflicts.

Did this help?

3

Hi Enver,

thanks for your response, actually I had added as below :

com.vaadin vaadin-client-compiler 7.5.9 provided org.eclipse.jetty jetty-servlets org.eclipse.jetty jetty-annotations org.eclipse.jetty jetty-util

but the problem still exist, no idea to me to solve the problem. now i am trying to run my war on other Apps Server, since i read many problem with websocket on tomcat. do you have any suggestion ?

rgds
Nengah

4

Before we dig any deeper into this with 7.5.9 – is it still there with 7.6.0.alpha5 ?

Thanks,
Enver

5

as of your suggestion, I looked back all the ticket from 7.6.0 alpha2 upto 7.6.0 alpha 7, yes many ticket regarding push was solved. I will go and try using 7.6.0 beta1 hopefully will solve my problem.

now, I had sucesfull running push using transport = Long Pooling (7.5.9) but new problem is coming up. all the application geeting slow, significantly slow.
I will trying using WebSocket &.7.6.0 beta1 first and will be skip slow problem 7.5.9 slow performance.

thank you very much for you suggestion
regards
Nengah

6

Had been trying in Vaadin 7.6.0 beta1, tomcat 8.0.24, java 8.
the websocket, still not supported.

Nov 12, 2015 11:34:35 AM org.atmosphere.cpr.AsynchronousProcessor action
WARNING: Websocket protocol not supported

7

Are you sure that particular version of Tomcat is being used?

Note that the warning comes from the Atmosphere library and its compatibility matrix is here:
https://github.com/Atmosphere/atmosphere/wiki/Supported-WebServers-and-Browsers

Can you try
mvn dependency:tree -Dverbose

to see what dependencies and versions there are?

Are you using a mvn command to run the server? Which?

Best,
Enve

8

no, I am not using mvn for run the server.
only using on eclipse when building the widgetset.

9

Hallo Nengah,

have you been able to solve it in the end, and how?

In the meanwhile, the Vaadin plugin supports Maven natively so tracking down this kind of a problem should have become much easier.

Best Regards,
Enver