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From "Christopher L. Shannon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-6491) WebSocket tries to call default servlet, when default servlet not configured
Date Mon, 14 Nov 2016 14:51:58 GMT

    [ https://issues.apache.org/jira/browse/AMQ-6491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15664105#comment-15664105
] 

Christopher L. Shannon commented on AMQ-6491:
---------------------------------------------

Why are you trying to make a GET request to the WebSocket servlet?

I'm not really sure what the best behavior is here. On one hand we could either return nothing
for a response to a GET request (or register the default servlet and forward to it).  Or we
could just have the WebSocket servlet not implement GET at all and throw an error because
there's not really a good reason to make a GET request to the WebSocket servlet that I can
think of.

> WebSocket tries to call default servlet, when default servlet not configured
> ----------------------------------------------------------------------------
>
>                 Key: AMQ-6491
>                 URL: https://issues.apache.org/jira/browse/AMQ-6491
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Transport
>    Affects Versions: 5.14.1
>            Reporter: Neil Greatorex
>            Priority: Minor
>              Labels: websocket
>
> With WebSocket connectors defined e.g.
> {noformat}
> <transportConnectors>
>     <transportConnector name="ws"
>                         uri="ws://0.0.0.0:61614?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
>     <transportConnector name="wss"
>                         uri="wss://0.0.0.0:61615?transport.wantClientAuth=true&amp;maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
> </transportConnectors>
> {noformat}
> A request to https://127.0.0.1:61615/ gives HTTP 500 Internal Server Error with the following
in the log:
> {noformat}
>  WARN | org.eclipse.jetty.servlet.ServletHandler | /
> java.lang.NullPointerException
>         at org.apache.activemq.transport.ws.jetty9.WSServlet.doGet(WSServlet.java:88)[activemq-http-5.14.1.jar:5.14.1]
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)[tomcat-servlet-api-8.0.24.jar:]
>         at org.eclipse.jetty.websocket.servlet.WebSocketServlet.service(WebSocketServlet.java:167)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)[tomcat-servlet-api-8.0.24.jar:]
>         at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1129)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.Server.handle(Server.java:499)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)[jetty-all-9.2.13.v20150730.jar:9.2.13.v20150730]
>         at java.lang.Thread.run(Thread.java:745)[:1.8.0_66-internal]
> {noformat}
> This occurs because no default servlet is defined. Either ActiveMQ should not attempt
to forward GET requests to the default servlet, or the embedded Jetty instances should be
configured with a proper default servlet.



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