On 14/12/2018 11:15, Kok How Teh wrote: >> 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?
Given the above, this does not apply to you. Time to create the simplest possible test case that demonstrates this problem on a clean Tomcat 9.0.14 install. I suggest starting with the JSP I used for my test. You'll probably figure out what the problem is by creating the test case. Mark > > 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 >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
