Exception in thread "main" java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory at org.opendaylight.protocol.bmp.mock.BmpMock.(BmpMock.java:28) Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ... 1 more