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How to use error method of org.testng.log4testng.Logger class

Best Testng code snippet using org.testng.log4testng.Logger.error

Source:CreateFileWriteToFile.java

...37            }else{38                System.out.println("File already exists....");39            }40        }catch (IOException e){41            System.out.println("An error occurred");42            e.printStackTrace();43        }44    }45    public static void writeToaFile(String path, String file, String text){46        try{47            FileWriter myWriter = new FileWriter(path+file);48            myWriter.write(text);49            myWriter.close();50            System.out.println("Successfully wrote to the file....");51        }catch (IOException e){52            System.out.println("An error occurred....");53            e.printStackTrace();54        }55    }56//    public static void main(String[] args) {57//        createAfile("src/test/resources/DynamicValueFiles/", "JWTTokens.txt");58//        writeToaFile("bluh2", "src/test/resources/DynamicValueFiles/"+"JWTTokens.txt");59//    }60}...

Source:DataBaseService.java

...10    public DataBaseService() {11        properties = new ReadProperties();12    }13    public void connectionDataBase() {14        logger.error("Setup DataBase connector");15        String db_URL = properties.getDB() + "://" + properties.getDBHost() + ":" + properties.getDBPort() + "/" + properties.getDBName();16        try {17            Class.forName("org.postgresql.Driver");18            logger.trace("Class has been found");19            connection = DriverManager.getConnection(db_URL, properties.getDBUsername(), properties.getDBPassword());20            logger.info("Connection has been established");21            logger.info("Setup statement");22            statement = connection.createStatement();23            logger.info("Statement has been created");24        } catch (ClassNotFoundException | SQLException e) {25            logger.error(e.getMessage());26        }27    }28    public ResultSet executeQuery(String query) {29        ResultSet resultSet = null;30        try {31            resultSet = statement.executeQuery(query);32        } catch (SQLException throwables) {33            logger.error(throwables.getMessage());34        }35        return resultSet;36    }37    public void closeConnection() {38        try {39            if (!statement.isClosed()) {40                statement.close();41            }42            connection.close();43        } catch (SQLException throwables) {44            logger.error(throwables.getMessage());45        }46    }47}...

Source:Log.java

...27		}28public static void warn(String message) {29   Log.warn(message);30	}31public static void error(String message) {32   Log.error(message);33	}34public static void fatal(String message) {35   Log.fatal(message);36	}37public static void debug(String message) {38   Log.debug(message);39	}40}...

Source:PropertyManager.java

...29      properties.load(is);30      is.close();31    } catch (IOException e) {32      properties = null;33      LOGGER.error("exception is reading file: " + filename, e);34    }35    return properties;36  }37}...

Source:Log4jconfiguration.java

...12	public void testLoggerWarn() {13		logger.warn("Hello.. im in Warn method");14	}15	public void testLoggerError() {16		logger.error("Hello.. im in Error method");17	}18	public void testLoggerFatal() {19		logger.fatal("Hello.. im in Fatal method");20	}21	22	public static void main(String[] args)23	{24		Log4jconfiguration lg=new Log4jconfiguration();25		lg.testLoggerDebug();26		lg.testLoggerInfo();27		lg.testLoggerError();28		lg.testLoggerFatal();29		lg.testLoggerWarn();30	}...

Source:BaseTest.java

...12	}13	@Test14	public void test1() {15		log.fatal("this is fatal");16		log.error("this is error");17		log.warn("this is warn");18		log.info("this is info");19		log.debug("this is debug");20		log.trace("this is trace");21		22	}23}...

Source:DemoC.java

...10	{11		logger.debug("This is debug message");12		logger.info("This is info message");13		logger.warn("this is warning message");14		logger.error("This is error message");15		System.out.println("Log4j executed successfully..");16	}17}...

Source:log4jexample.java

...13	14	logger.debug("debug message");15	logger.info("info message");16	logger.warn("warning message");17	logger.error("error message");18	logger.fatal("fatal message");19	20	21	22}2324}
...

error

Using AI Code Generation

1Logger logger = Logger.getLogger(ClassName.class);2logger.error("Error message");3org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(ClassName.class);4logger.error("Error message");5org.apache.logging.log4j.Logger logger = org.apache.logging.log4j.LogManager.getLogger(ClassName.class);6logger.error("Error message");7org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(ClassName.class);8logger.error("Error message");

error

Using AI Code Generation

1import org.testng.log4testng.Logger;2public class Log4TestNGExample {3    private static Logger log = Logger.getLogger(Log4TestNGExample.class);4    public static void main(String[] args) {5        log.info("This is info message");6        log.error("This is error message");7    }8}9import org.apache.log4j.Logger;10public class Log4JExample {11    private static Logger log = Logger.getLogger(Log4JExample.class);12    public static void main(String[] args) {13        log.info("This is info message");14        log.error("This is error message");15    }16}17import org.apache.logging.log4j.LogManager;18import org.apache.logging.log4j.Logger;19public class Log4J2Example {20    private static Logger log = LogManager.getLogger(Log4J2Example.class);21    public static void main(String[] args) {22        log.info("This is info message");23        log.error("This is error message");24    }25}26import org.slf4j.Logger;27import org.slf4j.LoggerFactory;28public class SLF4JExample {29    private static Logger log = LoggerFactory.getLogger(SLF4JExample.class);30    public static void main(String[] args) {31        log.info("This is info message");32        log.error("This is error message");33    }34}35import org.apache.commons.logging.Log;36import org.apache.commons.logging.LogFactory;37public class CommonsLoggingExample {38    private static Log log = LogFactory.getLog(CommonsLoggingExample.class);39    public static void main(String[] args) {40        log.info("This is info message");41        log.error("This is error message");42    }43}44import org.apache.commons.logging.Log;45import org.apache.commons.logging.LogFactory;46import org.apache.commons.logging.impl.Log4JLogger;47public class CommonsLoggingLog4JExample {48    private static Log log = LogFactory.getLog(CommonsLoggingLog4JExample.class);49    public static void main(String[] args) {50        log.info("This is info message");51        log.error("This is error message");52    }53}

error

Using AI Code Generation

1import org.testng.log4testng.Logger;2public class LoggerTest {3    private static Logger logger = Logger.getLogger(LoggerTest.class);4    public static void main(String[] args) {5        logger.error("Error message");6    }7}

error

Using AI Code Generation

1import org.testng.log4testng.Logger;2public class TestNGLoggerExample {3    private static Logger log = Logger.getLogger(TestNGLoggerExample.class);4    public void testMethod() {5        log.error("This is an error message");6    }7}8package com.automationrhapsody.log4j;9import org.apache.log4j.Logger;10import org.testng.annotations.Test;11public class TestNGLoggerExample {12    private static Logger log = Logger.getLogger(TestNGLoggerExample.class);13    public void testMethod() {14        log.error("This is an error message");15    }16}17package com.automationrhapsody.log4j;18import org.apache.logging.log4j.LogManager;19import org.apache.logging.log4j.Logger;20import org.testng.annotations.Test;21public class TestNGLoggerExample {22    private static Logger log = LogManager.getLogger(TestNGLoggerExample.class);23    public void testMethod() {24        log.error("This is an error message");25    }26}27package com.automationrhapsody.log4j;28import org.slf4j.Logger;29import org.slf4j.LoggerFactory;30import org.testng.annotations.Test;31public class TestNGLoggerExample {32    private static Logger log = LoggerFactory.getLogger(TestNGLoggerExample.class);33    public void testMethod() {34        log.error("This is an error message");35    }36}37package com.automationrhapsody.log4j;38import org.apache.commons.logging.Log;39import org.apache.commons.logging.LogFactory;40import org.testng.annotations.Test;

error

Using AI Code Generation

1Logger log = LogManager.getLogger("devpinoyLogger");2log.error("Error message");3log.info("Info message");4log.debug("Debug message");5log.warn("Warning message");6log.fatal("Fatal message");7log.trace("Trace message");

TestNG tutorial

TestNG is a Java-based open-source framework for test automation that includes various test types, such as unit testing, functional testing, E2E testing, etc. TestNG is in many ways similar to JUnit and NUnit. But in contrast to its competitors, its extensive features make it a lot more reliable framework. One of the major reasons for its popularity is its ability to structure tests and improve the scripts' readability and maintainability. Another reason can be the important characteristics like the convenience of using multiple annotations, reliance, and priority that make this framework popular among developers and testers for test design. You can refer to the TestNG tutorial to learn why you should choose the TestNG framework.

Chapters

JUnit 5 vs. TestNG: Compare and explore the core differences between JUnit 5 and TestNG from the Selenium WebDriver viewpoint.
Installing TestNG in Eclipse: Start installing the TestNG Plugin and learn how to set up TestNG in Eclipse to begin constructing a framework for your test project.
Create TestNG Project in Eclipse: Get started with creating a TestNG project and write your first TestNG test script.
Automation using TestNG: Dive into how to install TestNG in this Selenium TestNG tutorial, the fundamentals of developing an automation script for Selenium automation testing.
Parallel Test Execution in TestNG: Here are some essential elements of parallel testing with TestNG in this Selenium TestNG tutorial.
Creating TestNG XML File: Here is a step-by-step tutorial on creating a TestNG XML file to learn why and how it is created and discover how to run the TestNG XML file being executed in parallel.
Automation with Selenium, Cucumber & TestNG: Explore for an in-depth tutorial on automation using Selenium, Cucumber, and TestNG, as TestNG offers simpler settings and more features.
JUnit Selenium Tests using TestNG: Start running your regular and parallel tests by looking at how to run test cases in Selenium using JUnit and TestNG without having to rewrite the tests.
Group Test Cases in TestNG: Along with the explanation and demonstration using relevant TestNG group examples, learn how to group test cases in TestNG.
Prioritizing Tests in TestNG: Get started with how to prioritize test cases in TestNG for Selenium automation testing.
Assertions in TestNG: Examine what TestNG assertions are, the various types of TestNG assertions, and situations that relate to Selenium automated testing.
DataProviders in TestNG: Deep dive into learning more about TestNG's DataProvider and how to effectively use it in our test scripts for Selenium test automation.
Parameterization in TestNG: Here are the several parameterization strategies used in TestNG tests and how to apply them in Selenium automation scripts.
TestNG Listeners in Selenium WebDriver: Understand the various TestNG listeners to utilize them effectively for your next plan when working with TestNG and Selenium automation.
TestNG Annotations: Learn more about the execution order and annotation attributes, and refer to the prerequisites required to set up TestNG.
TestNG Reporter Log in Selenium: Find out how to use the TestNG Reporter Log and learn how to eliminate the need for external software with TestNG Reporter Class to boost productivity.
TestNG Reports in Jenkins: Discover how to generate TestNG reports in Jenkins if you want to know how to create, install, and share TestNG reports in Jenkins.

Certification

You can push your abilities to do automated testing using TestNG and advance your career by earning a TestNG certification. Check out our TestNG certification.