ecarou opened a new issue, #328:
URL: https://github.com/apache/mina-sshd/issues/328
### Version
2.8.0
### Bug description
Using the BabelwaySftpClient for transferring some files, i came accross an
issue where the sftp client stop responding and do not close for several days.
Using a threadDump, i can see that the BabelwaySftpClient is waiting
indefinitely on the method send.
Got a similar issue several days after but this time in method init.
The server side is a very slow SFTP, and the connection is not stable but
nevertheless, it should not block a thread forever.
### Actual behavior
infinite wait can occur in method send and init of BabelwaySftpClient
because of this code :
` IoWriteFuture writeFuture = asyncIn.writeBuffer(buf);
writeFuture.verify();`
the 2 methods are using verify without specifying a maximum wait time.
### Expected behavior
If the other side doesn't answer in a predefined time, exit and free the
ressource.
### Relevant log output
```Shell
Unfortunately i don't have the threadDump anymore.
```
### Other information
occurs in version 2.8.0 (but will also appear in 2.9.2)
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