21-Nov-2018 08:52:03.317 SEVERE [http-nio-8080-exec-4] org.appng.tomcat.session.Utils$1.callRealMethod error while using slf4j
java.lang.NoSuchMethodException: org.slf4j.impl.Log4jLoggerAdapter.error(java.lang.String, com.mongodb.MongoSocketWriteException)
at java.lang.Class.getMethod(Class.java:1786)
at org.appng.tomcat.session.Utils$1.callRealMethod(Utils.java:105)
at org.appng.tomcat.session.Utils$1.error(Utils.java:169)
at org.appng.tomcat.session.mongo.MongoStore.save(MongoStore.java:380)
at org.appng.tomcat.session.mongo.MongoSessionTrackerValve.storeSession(MongoSessionTrackerValve.java:58)
at org.appng.tomcat.session.mongo.MongoSessionTrackerValve.invoke(MongoSessionTrackerValve.java:43)