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resolved the task #1241

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5814ab9
resolved the task
AlieksieienkoAndriy Apr 14, 2026
8fabfe9
improved the code
AlieksieienkoAndriy Apr 14, 2026
80af0e0
changed the log
AlieksieienkoAndriy Apr 14, 2026
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1 change: 1 addition & 0 deletions .gitignore
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.idea/*
*.iml
target/*
logs/*
12 changes: 12 additions & 0 deletions pom.xml
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Expand Up @@ -24,6 +24,18 @@
<version>4.12</version>
<scope>test</scope>
</dependency>

<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.22.1</version>
</dependency>

<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.22.1</version>
</dependency>
</dependencies>
<build>
<plugins>
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7 changes: 6 additions & 1 deletion src/main/java/mate/academy/Main.java
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Expand Up @@ -6,15 +6,20 @@
import mate.academy.service.AuthenticationServiceImpl;
import mate.academy.service.OrderService;
import mate.academy.service.OrderServiceImpl;
import org.apache.logging.log4j.LogManager;
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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This class uses Log4j2, but without the required configuration file the File appender won't be created. Create src/main/resources/log4j2.xml with a Console appender, a File appender to "logs/app.log", and a root logger referencing both.

import org.apache.logging.log4j.Logger;

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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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This logger usage is fine, but as above you must add the Log4j2 config so file logging works. Ensure the File appender's fileName is exactly "logs/app.log" and the root logger references both Console and File appenders.

public class Main {
private static final Logger logger = LogManager.getLogger(Main.class);
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The task requires: "Configure the logger in this project. Add appenders for File and Console" (description). I don't see a Log4j2 configuration file (e.g. log4j2.xml or log4j2.properties) in the project. Add a configuration with Console and File appenders so logs are written where expected and the File appender can write into the logs directory excluded by .gitignore.

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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The project has logger usage here but there is no visible Log4j2 configuration file in the repository. Per the task description you must add a Log4j2 config (for example src/main/resources/log4j2.xml) that defines both a Console appender and a File appender writing to logs/app.log so that logs are written to the logs/ directory. Ensure the file appender path is logs/app.log and that logs/ remains ignored by .gitignore.

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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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Logging is used here but the project lacks the Log4j2 configuration file. Add src/main/resources/log4j2.xml defining a Console appender and a File appender whose fileName is exactly "logs/app.log", and make the root logger reference both appenders so logs go to console and file.


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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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There is an outstanding TODO in this class that wasn't removed/completed. The requirements state: "Remove all TODO comments before submitting solution. [CHECKLIST ITEM #1]" and "Complete all TODO statements" (description). Also the current log logger.info("login method was called") is not informative — follow checklist item #3 and include method parameters (avoid logging passwords).

public static void main(String[] args) {
logger.info("Application started");
AuthenticationService authenticationService = new AuthenticationServiceImpl();
User user;
try {
user = authenticationService.login("bob", "1234");
} catch (AuthenticationException e) {
e.printStackTrace();
logger.error("Login failed for user: {}", "bob", e);
return;
}
OrderService orderService = new OrderServiceImpl();
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8 changes: 6 additions & 2 deletions src/main/java/mate/academy/service/AuthenticationServiceImpl.java
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import mate.academy.exception.AuthenticationException;
import mate.academy.model.User;
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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This violates the project requirement: "Configure the logger in this project. Add appenders for File and Console". I cannot find a visible Log4j2 configuration (for example src/main/resources/log4j2.xml). Please add a Log4j2 config that defines both a Console appender and a File appender writing to logs/app.log and attaches them to the root logger. Note: .gitignore already contains logs/*, so the log file will be ignored as required.

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class AuthenticationServiceImpl implements AuthenticationService {
private static final Logger logger = LogManager.getLogger(AuthenticationServiceImpl.class);
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The task requires configuring the logger and adding appenders for File and Console (e.g., provide a log4j2.xml or programmatic configuration). I don't see any Log4j2 configuration file in the project. Please add a config with a Console and a File appender (and set the file path to a folder ignored by .gitignore).


@Override
public User login(String login, String password) throws AuthenticationException {
//TODO: add corresponding log message about method login was called
logger.info("Login attempt for user: {}", login);
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The project is missing the Log4j2 configuration file that sets up Console and File appenders (so file logging to logs/app.log won't work). Please add e.g. src/main/resources/log4j2.xml that defines a Console appender and a File appender whose fileName is exactly logs/app.log, and a root logger that references both appenders. This addresses the requirement: "Configure the logger in this project and add appenders for File and Console so that logging goes to both destinations." Also follow the previous review note: "Add a Log4j2 configuration file, e.g. src/main/resources/log4j2.xml, that defines: - A Console appender. - A File appender whose fileName is exactly logs/app.log so logs are written into the logs/ directory. - A root logger that references both appenders so all existing logger calls output to both console and file."

User user = findByLogin(login);
if (!user.getPassword().equals(password)) {
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The log message for completeOrder is not informative — it should include context such as the userId (or other relevant params). This violates the checklist item: "Let's make our log messages informative". Consider: logger.info("completeOrder called for userId={}", userId);

throw new AuthenticationException("Username or password are incorrect");
throw new AuthenticationException("Invalid credentials for user: " + login);
}
return user;
}
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9 changes: 7 additions & 2 deletions src/main/java/mate/academy/service/OrderServiceImpl.java
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import java.util.List;
import mate.academy.model.Order;
import mate.academy.model.Product;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The class uses Log4j2 but without the required configuration file the File appender won't be created. Add src/main/resources/log4j2.xml (Console + File appenders, fileName="logs/app.log") so these logger calls also write to the file.

public class OrderServiceImpl implements OrderService {
private static final Logger logger = LogManager.getLogger(OrderServiceImpl.class);
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This logger is fine in code, but the File appender is still missing at the project level. Create the required log4j2.xml under src/main/resources with a Console appender and a File appender pointing to logs/app.log and reference both from the root logger.


@Override
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The project lacks a Log4j2 configuration (e.g., log4j2.xml or log4j2.properties) that defines Console and File appenders. The code creates loggers but without a config file the required appenders won't be set up — the task requires "Configure the logger in this project. Add appenders for File and Console."

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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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The project uses Log4j2 but I don't see a Log4j2 configuration file (e.g. src/main/resources/log4j2.xml) that defines both a Console and a File appender. The task requires: "Configure the logger in this project. Add appenders for File and Console" and the previous review explicitly requested a visible Log4j2 config writing into the logs/ directory (e.g. logs/app.log). Please add a configuration file (log4j2.xml or properties) with a Console appender and a File appender pointing to logs/app.log so logging actually writes to console and the logs/ directory (which is already ignored by .gitignore).

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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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Critical: there is no Log4j2 configuration file in src/main/resources. Add a log4j2.xml that defines a Console appender and a File appender whose fileName is exactly "logs/app.log", and make the root logger reference both appenders so logs go to console and to logs/app.log.

public Order completeOrder(Long userId) {
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@mateacademy-ai-mentor mateacademy-ai-mentor Apr 14, 2026

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A TODO comment was left in the source (please remove all TODO comments before submitting). See checklist: "Let's remove all TODO comments before submitting solution." Also the log message here is too generic; make it informative (e.g., include the login parameter but never the password).

// TODO: add log message about method completeOrder was called
logger.info("Completing order for userId={}", userId);
List<Product> products = getAllProductsFromShoppingCart(userId);
Order order = new Order(products, userId);
// NOTE: In production ready code this order identifier should be generated by DB
Expand All @@ -24,7 +28,8 @@ private List<Product> getAllProductsFromShoppingCart(Long userId) {
Product macBook = new Product("MacBook Air 2020", BigDecimal.valueOf(1399));
Product xiaomi = new Product("Xiaomi 12", BigDecimal.valueOf(499));
List<Product> products = List.of(iphone, macBook, xiaomi);
// TODO: add log message about successful fetched data from DB
logger.info("Fetched {} products from shopping cart for userId={}",
products.size(), userId);
return products;
}
}
23 changes: 23 additions & 0 deletions src/main/resources/log4j2.xml
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="info">
<Appenders>
<Console name="LogToConsole" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %c:%L - %msg%n"/>
</Console>
<File name="LogToFile" fileName="logs/app.log">
<PatternLayout>
<Pattern>%d %p %c:%L %m%n</Pattern>
</PatternLayout>
</File>
</Appenders>
<Loggers>
<Logger name="mate.academy" level="info" additivity="false">
<AppenderRef ref="LogToFile"/>
<AppenderRef ref="LogToConsole"/>
</Logger>
<Root level="error">
<AppenderRef ref="LogToFile"/>
<AppenderRef ref="LogToConsole"/>
</Root>
</Loggers>
</Configuration>
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