hello ,
i need a help with this exception

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
initial SessionFactory creation faild java.lang.NoClassDefFoundError: javax/persistence/EntityListeners
Exception in thread "main" java.lang.ExceptionInInitializerError

i am using hibernate( development milestone )with eclipse indego .yes all last versions of both
iadded self4j.jar to the classpath i don't get it why he failed to load that class inside it

why i have that NOClassDefFoundError:javax/persistence/EntityListeners

sorry i meant i add slf4j-api-1.6.1.jar to the buildPath i am following a tutorial