UT000077: The underlying transport does not support HTTP upgrade
Issue
- We see an exception like the following when using the AJP listener:
ERROR [io.undertow.servlet] (default task-32) Web Application Error: : java.lang.IllegalStateException: UT000077: The underlying transport does not support HTTP upgrade
at io.undertow.server.HttpServerExchange.upgradeChannel(HttpServerExchange.java:863)
at io.undertow.servlet.websockets.ServletWebSocketHttpExchange.upgradeChannel(ServletWebSocketHttpExchange.java:137)
at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:117)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
Environment
- JBoss Enterprise Application Platform (EAP) 7.x
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
