Getting ClosedChannelException on file download with http2

Issue

• Observing connection loss during file download

  ERROR [my.company..servlet.DownloadServlet] (default task-31) null: java.nio.channels.ClosedChannelException 
  at io.undertow.channels.DetachableStreamSinkChannel.write(DetachableStreamSinkChannel.java:177) 
  at io.undertow.server.HttpServerExchange$WriteDispatchChannel.write(HttpServerExchange.java:2028) 
  at org.xnio.channels.Channels.writeBlocking(Channels.java:152) 
  at io.undertow.servlet.spec.ServletOutputStreamImpl.writeTooLargeForBuffer(ServletOutputStreamImpl.java:194) 
  at io.undertow.servlet.spec.ServletOutputStreamImpl.write(ServletOutputStreamImpl.java:142) 
  at io.undertow.servlet.spec.ServletOutputStreamImpl.write(ServletOutputStreamImpl.java:125) 
  at my.company.servlet.DownloadServlet.doGet(DownloadServlet.java:60) 
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) 
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
  at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) 
  at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)  
  at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)  
  at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityCo