> Have you configued "containerSciFilter" on the Context?
No. I don't
> Have you removed any JARs from Tomcat's lib directory?
These are what I have in the lib:
/opt/tomcat/latest/lib 2114 $ ls
annotations-api.jar catalina.jar ecj-4.7.3a.jar jasper.jar
servlet-api.jar tomcat-dbcp.jar tomcat-i18n-ja.jar
tomcat-jni.jar tomcat-websocket.jar
catalina-ant.jar catalina-storeconfig.jar el-api.jar
jaspic-api.jar tomcat-api.jar tomcat-i18n-es.jar tomcat-i18n-ru.jar
tomcat-util.jar websocket-api.jar
catalina-ha.jar catalina-tribes.jar jasper-el.jar jsp-api.jar
tomcat-coyote.jar tomcat-i18n-fr.jar tomcat-jdbc.jar
tomcat-util-scan.jar
> Are you using embedded without the WebSocket JAR?
How do I check this?
On Fri, Dec 14, 2018 at 4:38 PM Mark Thomas <ma...@apache.org> wrote:
> On 14/12/2018 00:34, Kok How Teh wrote:
> > I filed a bug at Spring JIRA and this is the response I get (
> > https://jira.spring.io/browse/SPR-17599):
> >
> > There seems to be a misunderstanding in that conversation on the Tomcat
> > mailing list: It's not that we can't find the class of the name
> > javax.websocket.server.ServerContainer, it's the *ServletContext
> > attribute* with
> > name "javax.websocket.server.ServerContainer" that we can't find. In
> other
> > words, we can't find a pre-initialized WebSocket container instance.
> >
> > So the root of the problem you can easily reproduce without Spring:
> Simply
> > implement a Servlet and check the return value of
> >
> getServletContext().getAttribute("javax.websocket.server.ServerContainer")
> > ...
>
> Tomcat creates that automatically unless you explicitly disable the
> ServletContainerInitializer.
>
> A web app with a single JSP (below) deployed to a clean Tomcat 9.0.x
> install shows this is the case.
>
> === start JSP ===
> <%= application.getAttribute("javax.websocket.server.ServerContainer") %>
> === end JSP ===
>
> Have you configued "containerSciFilter" on the Context?
>
> Have you removed any JARs from Tomcat's lib directory?
>
> Are you using embedded without the WebSocket JAR?
>
> Mark
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>
