Websockets config setting: java.lang.UnsupportedOperationException: HTTP upgrade is not supported by the AJP protocol

Solution Unverified - Updated -

Issue

  • We see below error in the tomcat logs whilst trying to open the application via Apache:
 java.lang.UnsupportedOperationException: HTTP upgrade is not supported by the AJP protocol
        at org.apache.coyote.ajp.AbstractAjpProcessor.action(AbstractAjpProcessor.java:587)
        at org.apache.coyote.Request.action(Request.java:379)
        at org.apache.catalina.connector.Request.upgrade(Request.java:1886)
        at org.apache.catalina.connector.RequestFacade.upgrade(RequestFacade.java:1114)
        at org.apache.tomcat.websocket.server.UpgradeUtil.doUpgrade(UpgradeUtil.java:231)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:77)

Environment

  • Red Hat JBoss Web Server
    • 3.0

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