Could Not Instantiate Appender Named Error
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Log4j Error Could Not Instantiate Appender Named
Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign could not instantiate appender named file up ERROR Could not find value for key log4j.appender.error during deploying on tomcat up vote 1 down vote favorite my code is working fine if i right click on server and run as run on server , but when i try to deploy it on tomcat and try to run it it is giving me below error log4j.properties file: log4j.logger.Controller = INFO,error,stdout log4j.logger.Client log4j:error could not instantiate appender named "stdout". = INFO,error,stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.Target=System.out log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n error: log4j:ERROR Could not find value for key log4j.appender.error log4j:ERROR Could not instantiate appender named "error". log4j:ERROR Could not find value for key log4j.appender.error log4j:ERROR Could not instantiate appender named "error". log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. pom.xml :
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Log4j:error Could Not Instantiate Appender Named "debug".
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Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: http://stackoverflow.com/questions/32760493/error-could-not-find-value-for-key-log4j-appender-error-during-deploying-on-tomc Sign up log4j appender issue - unable to print debug, error levels up vote 2 down vote favorite I am using a log4j for logging. This is how my log4j.properties looks like # Root logger option log4j.rootLogger=info, debug, error file # Direct log messages to a log file log4j.appender.file=org.apache.log4j.RollingFileAppender #Redirect to Tomcat logs folder #log4j.appender.file.File=${catalina.home}/logs/logging.log log4j.appender.file.File=C:\\Users\\raj_sanpui\\Desktop\\Automation\\test.log log4j.appender.file.MaxFileSize=10MB log4j.appender.file.MaxBackupIndex=10 log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p http://stackoverflow.com/questions/28022232/log4j-appender-issue-unable-to-print-debug-error-levels %c{1}:%L - %m%n Each of my Java files constructor has this call: public class IMGOperations { private org.apache.log4j.Logger log; private String hostname; private String sysid; private String dicomfilepath; public IMGOperations(String hostname, String sysid, String dicomfilepath) { this.hostname=hostname; this.sysid=sysid; this.dicomfilepath=dicomfilepath; PropertyConfigurator.configure(mainConfig.LOG4JCONFPATH); log = Logger.getLogger(mainConfig.class); } I am getting this error on running my Java program: log4j:ERROR Could not find value for key log4j.appender.debug log4j:ERROR Could not instantiate appender named "debug". log4j:ERROR Could not find value for key log4j.appender.error file log4j:ERROR Could not instantiate appender named "error file". log4j:ERROR Could not find value for key log4j.appender.debug I am basically a C/C++ folk, who knows Core Java, and pretty much a noob in this stuff. So please pardon me, if you find it too basic. java log4j share|improve this question asked Jan 19 '15 at 10:14 kingsmasher1 3,100144799 add a comment| 2 Answers 2 active oldest votes up vote 6 down vote accepted The problem is in your second line, it should be: # Root logger option log4j.rootLogger=INFO, stdout, file This means you will log at INFO level, and instantiate log4j appenders for stdout and files. Needless
here for a quick overview of the site Help Center Detailed answers to any http://stackoverflow.com/questions/31701552/log4j-cannot-find-appenders-but-they-are-present questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow could not is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Log4j cannot find appenders, but they are present up vote 1 down vote favorite I have a problem with logging using log4j. I created my properties file, and opened it in could not instantiate the Java code, and it's all fine, except that the properties file is malfunctioning. I looked through several tutorials and questions around here, but I can't seem to be able to fix it. Here's my properties file (called WSConnectorLog.properties): ########################## # Loggers log4J.rootLogger = FATAL, console log4j.WSDetailedLogger = TRACE, WSDetailLog, console log4j.WSAppLogger = INFO, WSAppLog, console # Appenders log4j.appender.console = org.apache.log4j.ConsoleAppender log4j.appender.console.layout = org.apache.log4j.PatternLayout log4j.appender.console.target=System.err log4j.appender.console.layout.ConversionPattern=%d [%t] (%F:%L) %p %m%n log4j.appender.WSDetailLog=org.apache.log4j.DailyRollingFileAppender log4j.appender.WSDetailLog.File=logs/WSDetailed.log log4j.appender.WSDetailLog.DatePattern='.'yyyy-MM-dd-HH log4j.appender.WSDetailLog.layout=org.apache.log4j.PatternLayout log4j.appender.WSDetailLog.layout.ConversionPattern=%d [%t] (%F:%L) %-5p %m%n log4j.appender.WSAppLog=org.apache.log4j.DailyRollingFileAppender log4j.appender.WSAppLog.File=logs/ws.log log4j.appender.WSAppLog.DatePattern='.'yyyy-MM-dd-HH log4j.appender.WSAppLog.layout=org.apache.log4j.PatternLayout log4j.appender.WSAppLog.layout.ConversionPattern=%m%n # Set root category priority to INFO and its only appender to console. log4j.rootCategory=INFO, console I use it in Java like this: Preparing: public class WSConnector { private static Logger WSDetailedlog = Logger.getLogger("WSDetailedLogger"); private static Logger WSAppLog = Logger.getLogger("WSAppLogger"); private ConnectionManager cm = ConnectionManager.getInstance(); private ConfigHandler config = ConfigHandler.getInstance(); private SimpleDateFormat format = null; /** * Protected constructor for the Singleton pattern. */ protected WSConnector() { format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss