Log4j2 configuration not found when running standalone application built by shade plugin

Question

I have application which when I run from maven log4j2 it is working:

mvn exec:java -Dexec.args=...

but when I run jar as standalone applica

Answer 1

ok I found this issue about this problem.

In short, the problem arises when application classes are packaged in uber jar using maven shade plugin. While for log4j2 version 2.8.1 the fix is still pending, the suggested workaround is to update maven pom.xml with extra configuration settings for shade plugin as follow:

    

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                    org.apache.maven.plugins
                    maven-shade-plugin
                    2.4.1
                    
                        
                            
                                *:*
                                
                                    META-INF/*.SF
                                    META-INF/*.DSA
                                    META-INF/*.RSA
                                
                            
                        
                        
                            
                        
                    
                    
                        
                            package
                            
                                shade
                            
                        
                    
                    
                        
                            com.github.edwgiz
                            maven-shade-plugin.log4j2-cachefile-transformer
                            2.1
                        
                    
                
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                oss.sonatype.org
                OSS Sonatype Staging
                https://oss.sonatype.org/content/groups/staging
            
              
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