A mis-use of IUNIXTransport.sendFileDescriptor caused the connection to be closed.

Each file descriptor sent using sendFileDescriptor must be associated with at least one byte sent using ITransport.write. If at any point fewer bytes have been written than file descriptors have been sent, the connection is closed with this exception.

Inherited from ConnectionLost:

Method __str__ Undocumented
API Documentation for Twisted, generated by pydoctor at 2019-08-06 12:10:50.