added failure description when a request fails being sent, added java…

…doc to exception constructor

src/main/java/com/github/stickerifier/stickerify/bot/Stickerify.java

@@ -161,7 +161,7 @@ private void answerText(Answer answer, TelegramRequest request) {
 		try {
 			execute(answerWithText);
 		} catch (TelegramApiException e) {
-			LOGGER.atError().log("Unable to reply to {} with {}", request, answerWithText);
+			LOGGER.atError().setCause(e).log("Unable to reply to {}", request);
 		}
 	}
 
@@ -172,7 +172,7 @@ private <T extends BaseRequest<T, R>, R extends BaseResponse> R execute(BaseRequ
 			return response;
 		}
 
-		throw new TelegramApiException("Telegram couldn't execute the {} request", request.getMethod());
+		throw new TelegramApiException("Telegram couldn't execute the {} request: {}", request.getMethod(), response.description());
 	}
 
 	private static void deleteTempFiles(Set<Path> pathsToDelete) {

src/main/java/com/github/stickerifier/stickerify/telegram/exception/TelegramApiException.java

@@ -15,6 +15,14 @@ public TelegramApiException(String message, Throwable cause) {
 		super(message, cause);
 	}
 
+	/**
+	 * Creates an exception with a parameterized message: each {@code {}}
+	 * will be replaced with the corresponding element in {@code parameters}.
+	 *
+	 * @param message the exception message
+	 * @param parameters the parameters to insert into the message
+	 * @see MessageFormatter#basicArrayFormat(String, Object[])
+	 */
 	public TelegramApiException(String message, Object... parameters) {
 		this(MessageFormatter.basicArrayFormat(message, parameters));
 	}