Hi Victor, I have grepped /var/log/messages for "Session not associated with authentication provider" and can see the following messages:
Jun 30 14:09:57 hostname server: INFO: Error parsing HTTP request header Jun 30 14:09:57 hostname server: Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. Jun 30 14:09:57 hostname server: java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986 Jun 30 14:09:57 hostname server: at org.apache.coyote.http11.InternalInputBuffer.parseRequestLine(InternalInputBuffer.java:198) Jun 30 14:09:57 hostname server: at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004) Jun 30 14:09:57 hostname server: at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637) Jun 30 14:09:57 hostname server: at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) Jun 30 14:09:57 hostname server: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) Jun 30 14:09:57 hostname server: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) Jun 30 14:09:57 hostname server: at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) Jun 30 14:09:57 hostname server: at java.lang.Thread.run(Thread.java:748) *Jun 30 14:09:57 hostname server: 14:09:57.993 [http-bio-8443-exec-15219] ERROR o.a.g.w.GuacamoleWebSocketTunnelEndpoint - Creation of WebSocket tunnel to guacd failed: Session not associated with authentication provider "header".Jun 30 14:09:58 hostname server: 14:09:58.285 [http-bio-8443-exec-15519] WARN o.a.g.s.GuacamoleHTTPTunnelServlet - HTTP tunnel request rejected: Session not associated with authentication provider "header".* I'm running 1.1.0 version on RHEL7. It's better to create a separate thread for this and do not hijack this one. Kind regards, Grigory Trenin
