Following the tutorial in the welcome pages productes
java.lang.LinkageError: loader constraint violation: when resolving method "org.apache.log4j.spi.LoggingEvent.(Ljava/lang/String;Lorg/apache/log4j/Category;Lorg/apache/log4j/Priority;Ljava/lang/Object;Ljava/lang/Throwable;)V" the class loader (instance of java/net/FactoryURLClassLoader) of the current class, org/apache/log4j/Category, and the class loader (instance of org/eclipse/osgi/internal/loader/EquinoxClassLoader) for the method's defining class, org/apache/log4j/spi/LoggingEvent, have different Class objects for the type org/apache/log4j/Category used in the signature
when trying to preview the report.
New project with nothing else in it but the files:
I've tried it 3 times now.
1. In an existing project
2. In a new project
3. In a 2nd new project.
Simply follow the steps in the tutorial to reproduce it seems.