No appenders could be found for logger(log4j)?

Question

I have put log4j to my buildpath, but I get the following message when I run my application:

log4j:WARN No appenders could be found for logger (dao.hsqlmanag         


        

Answer 1

I ran into this issue when trying to build an executable jar with maven in intellij 12. It turned out that because the java manifest file didn't include a class path the log4j properties file couldn't be found at the root level (where the jar file was executed from.)

FYI I was getting the logger like this:

Logger log = LogManager.getLogger(MyClassIWantedToLogFrom.class);

And I was able to get it to work with a pom file that included this:

         
            maven-assembly-plugin
            2.2-beta-5
            
                
                    
                        true 
                        com.mycompany.mainPackage.mainClass
                    
                    
                        . 
                    
                
                
                    jar-with-dependencies
                
            
            
                
                    make-assembly
                    package
                    
                        single