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Arthur Naseef commented on AMQ-4857: ------------------------------------ Fix revision: https://git-wip-us.apache.org/repos/asf?p=activemq.git;a=commit;h=692428eee5f7af1118881c1140ff45cd33e99d18 > WSServlet.doWebSocketConnect throws NPE if called with null protocol > -------------------------------------------------------------------- > > Key: AMQ-4857 > URL: https://issues.apache.org/jira/browse/AMQ-4857 > Project: ActiveMQ > Issue Type: Bug > Reporter: Kevin Earls > Assignee: Kevin Earls > Fix For: 5.9.1, 5.10.0 > > > I got the NPE shown below while working on a websocket demo. > WebSocketFactory.acceptWebSocket calls WSServlet.doWebSocketConnect with the > protocol hard coded to null. > java.lang.NullPointerException > at > org.apache.activemq.transport.ws.WSServlet.doWebSocketConnect(WSServlet.java:54) > at > org.eclipse.jetty.websocket.WebSocketFactory.acceptWebSocket(WebSocketFactory.java:372) > at > org.eclipse.jetty.websocket.WebSocketServlet.service(WebSocketServlet.java:104) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) > at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) > at org.eclipse.jetty.server.Server.handle(Server.java:367) > at > org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486) > at > org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926) > at > org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988) > at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640) > at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) > at > org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) > at > org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628) > at > org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) > at java.lang.Thread.run(Thread.java:744) -- This message was sent by Atlassian JIRA (v6.2#6252)