Fix: Java agent: close session daemon socket on error

Fix: Java agent: close session daemon socket on error

When catching an error, close the socket used to communicate with the
session daemon rather than leaking it, before retrying to connect.

Also, when sleep is interrupted, there is no point in printing
out the stack trace. Just retry connection immediately.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>