Method error

app/src/main/java/eu/faircode/email/Core.java:5864–5898

(Throwable ex)

        }

        void error(Throwable ex) {
            if (ex instanceof MessagingException &&
                    ("connection failure".equals(ex.getMessage()) ||
                            "Not connected".equals(ex.getMessage()) || // POP3
                            ex.getCause() instanceof SocketException ||
                            ex.getCause() instanceof ConnectionException))
                recoverable = false;

            if (ex instanceof ConnectionException)
                // failed to create new store connection
                // BYE, Socket is closed
                recoverable = false;

            if (ex instanceof StoreClosedException ||
                    ex instanceof FolderClosedException ||
                    ex instanceof FolderNotFoundException)
                // Lost folder connection to server
                recoverable = false;

            if (ex instanceof IllegalStateException && (
                    "Not connected".equals(ex.getMessage()) ||
                            "This operation is not allowed on a closed folder".equals(ex.getMessage())))
                recoverable = false;

            if (ex instanceof OperationCanceledException)
                recoverable = false;

            if (!recoverable)
                unrecoverable = ex;

            if (!backingoff) {
                thread.interrupt();
                microWait();
            }
        }

        void reset() {
            Thread.currentThread().interrupted(); // clear interrupted status