Salesforce component does not work through proxy

Issue

• We faced an issue when try to connect to Salesforce via proxy using Salesforce component

Caused by: org.eclipse.jetty.io.EofException
    at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:192)[86:org.eclipse.jetty.io:9.2.19.v20160908]
at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.flush(SslConnection.java:809)[86:org.eclipse.jetty.io:9.2.19.v20160908]
    at org.eclipse.jetty.io.WriteFlusher.flush(WriteFlusher.java:408)[86:org.eclipse.jetty.io:9.2.19.v20160908]
---
---
Caused by: java.nio.channels.ClosedChannelException
    at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:270)[:1.8.0_101]
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:461)[:1.8.0_101]
    at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:170)[86:org.eclipse.jetty.io:9.2.19.v20160908]
    ... 15 more

• Same code used to run fine with Red Hat JBoss Fuse 6.2.1.
• Debug level logs

  44 15:08:06,839 | DEBUG | t@1653515186-161 | ChannelEndPoint                  | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | filled 39 SelectChannelEndPoint@12085e12{my.testserver.com/1.1.1.1:8080<->50372,Open,in,out,-,-,203/     44 0,HttpConnectionOverHTTP}{io=0,kio=0,kro=1}
     45 15:08:06,839 | DEBUG | t@1653515186-161 | HttpReceiver                     | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | Read 39 bytes DirectByteBuffer@69a87dec[p=0,l=39,c=16384,r=39]={<<<HTTP/1.0 200 Conn...established\r\n\     45 r\n>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00} from SelectChannelEndPoint@12085e12{my.testserver.com/1.1.1.1:8080<->50372,Open,in,out,     45 -,-,0/0,HttpConnectionOverHTTP}{io=0,kio=0,kro=1}
     46 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | parseNext s=START DirectByteBuffer@69a87dec[p=0,l=39,c=16384,r=39]={<<<HTTP/1.0 200 Conn...established\     46 r\n\r\n>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00}
     47 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | START --> RESPONSE_VERSION
     48 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | RESPONSE_VERSION --> SPACE1
     49 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | SPACE1 --> STATUS
     50 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | STATUS --> SPACE2
     51 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | SPACE2 --> REASON
     52 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | REASON --> HEADER
     53 15:08:06,839 | DEBUG | t@1653515186-161 | HttpReceiver                     | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | Response begin HttpResponse[HTTP/1.0 200 Connection established]@676f9ea9
     54 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | HEADER --> EOF_CONTENT
     55 15:08:06,839 | DEBUG | t@1653515186-161 | HttpReceiver                     | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | Response headers HttpResponse[HTTP/1.0 200 Connection established]@676f9ea9
     56 n  | 
     57 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | EOF_CONTENT --> END
     58 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | reset HttpParser{s=END,0 of 0}
     59 15:08:06,839 | DEBUG | t@1653515186-161 | HttpParser                       | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | END --> START
     60 15:08:06,839 | DEBUG | t@1653515186-161 | HttpReceiver                     | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | Response success HttpResponse[HTTP/1.0 200 Connection established]@676f9ea9
     61 15:08:06,839 | DEBUG | t@1653515186-161 | HttpExchange                     | 96 - org.eclipse.jetty.util - 9.2.19.v20160908 | Terminated response for HttpExchange@22a7d50d req=TERMINATED/null@null res=TERMINATED/null@null, result     61 : Result[HttpRequest[CONNECT my.testserver.com:443 HTTP/1.1]@26259a57 > HttpResponse[HTTP/1.0 200 Connection established]@676f9