2023.10.14 12:39:29 TRACE [nioEventLoopGroup-4-2]   : o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:5269--/5.189.154.238:53468 received: <iq type='get' id='keepalive:2023-10-14T12:39:29Z' from='jabbers.one' to='igniterealtime.org'><ping xmlns='urn:xmpp:ping'/></iq>
2023.10.14 12:39:29 DEBUG [S2SOutgoingPromise-353]  : o.j.o.n.NettySessionInitializer        - Creating plain socket connection to a host that belongs to the remote XMPP domain.
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-4-1]   : o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:5269--/5.189.154.238:49494 received: <iq type='get' id='keepalive:2023-10-14T12:39:29Z' from='jabbers.one' to='conference.igniterealtime.org'><ping xmlns='urn:xmpp:ping'/></iq>
2023.10.14 12:39:29 DEBUG [S2SOutgoingPromise-353]  : o.j.o.n.NettySessionInitializer        - Opening a new connection to jabbers.one/95.111.229.146:5269 that is initially not encrypted.
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyOutboundConnectionHandler - Adding NettyOutboundConnectionHandler
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Netty XMPP handler added: null
2023.10.14 12:39:29 DEBUG [S2SOutgoingPromise-353]  : o.j.o.n.NettySessionInitializer        - Send the stream header and wait for response...
2023.10.14 12:39:29 TRACE [S2SOutgoingPromise-353]  : o.j.o.n.NettySessionInitializer        -                                                                  Sending: <?xml version="1.0" encoding="UTF-8"?><stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:server" xmlns:db="jabber:server:dialback" from="igniterealtime.org" to="jabbers.one" version="1.0">
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <?xml version='1.0'?>
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <stream:stream to='igniterealtime.org' xmlns='jabber:server' version='1.0' xmlns:db='jabber:server:dialback' from='jabbers.one' xml:lang='en' id='53ee3b89-86f3
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <stream:features><starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'><required/></starttls><dialback xmlns='urn:xmpp:features:dialback'/></stream:features>
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnection                -                                                                  Sending: <starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>
2023.10.14 12:39:29 DEBUG [nioEventLoopGroup-3245-1]: o.j.o.n.NettyOutboundConnectionHandler - TLS negotiation was successful. Connection encrypted. Proceeding with authentication...
2023.10.14 12:39:29 DEBUG [nioEventLoopGroup-3245-1]: o.j.o.n.NettyOutboundConnectionHandler - SASL authentication will be attempted
2023.10.14 12:39:29 DEBUG [nioEventLoopGroup-3245-1]: o.j.o.n.NettyOutboundConnectionHandler - Send the stream header and wait for response...
2023.10.14 12:39:29 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnection                -                                                                  Sending: <?xml version="1.0" encoding="UTF-8"?><stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:server" xmlns:db="jabber:server:dialback" from="igniterealtime.org" to="jabbers.one" version="1.0">
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <?xml version='1.0'?>
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <stream:stream to='igniterealtime.org' xmlns='jabber:server' version='1.0' xmlns:db='jabber:server:dialback' from='jabbers.one' xml:lang='en' id='b805adb9-28e6
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <stream:features><mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'><mechanism>EXTERNAL</mechanism></mechanisms><bidi xmlns='urn:xmpp:features:bidi'/><dialba
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnection                -                                                                  Sending: <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="EXTERNAL">aWduaXRlcmVhbHRpbWUub3Jn</auth>
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnection                -                                                                  Sending: <?xml version="1.0" encoding="UTF-8"?><stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:server" from="igniterealtime.org" to="jabbers.one" version="1.0">
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <?xml version='1.0'?>
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <stream:stream to='igniterealtime.org' xmlns='jabber:server' version='1.0' xmlns:db='jabber:server:dialback' from='jabbers.one' xml:lang='en' id='377394ef-225c
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-4-2]   : o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:5269--/5.189.154.238:53468             received: <iq type='result' id='711-8834' from='jabbers.one' to='igniterealtime.org'><query xmlns='jabber:iq:version'><name>Prosody</name><version>0.12.4</version><os>Linux</os></query
2023.10.14 12:39:30 TRACE [nioEventLoopGroup-3245-1]: o.j.o.n.NettyConnectionHandler         - Handler on /172.31.17.41:50476--jabbers.one/95.111.229.146:5269 received: <stream:features><c ver='9y73ry4srYzMRK/R7H9KeyYsqiM=' xmlns='http://jabber.org/protocol/caps' node='http://prosody.im' hash='sha-1'/><sm xmlns='urn:xmpp:sm:2'
2023.10.14 12:39:30 ERROR [nioEventLoopGroup-4-2]   : o.j.o.n.NettyConnectionHandler         - Closing connection on /172.31.17.41:5269--/5.189.154.238:53468 due to error while processing message: <iq type='result' id='711-8834' from='jabbers.one' to='igniterealtime.org'><query xmlns='jabber:iq:version'><name>Prosody</name><versi
java.util.ConcurrentModificationException: null