java.lang.LinkageError: loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance of org/openmrs/module/ModuleClassLoader) of the current class, org/slf4j/LoggerFactory, and the class loader (instance of org/apache/catalina/loader/WebappClassLoader) for the method's defining class, org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory used in the signature
	at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:273)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:241)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:254)
	at org.openmrs.module.locationbasedaccess.LocationBasedAccessActivator.<init>(LocationBasedAccessActivator.java:24)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at java.lang.Class.newInstance(Class.java:442)
	at org.openmrs.module.Module.getModuleActivator(Module.java:156)
	at org.openmrs.module.ModuleUtil.refreshApplicationContext(ModuleUtil.java:866)
	at org.openmrs.module.web.WebModuleUtil.refreshWAC(WebModuleUtil.java:866)
	at org.openmrs.web.Listener.performWebStartOfModules(Listener.java:656)
	at org.openmrs.web.Listener.performWebStartOfModules(Listener.java:635)
	at org.openmrs.web.Listener.startOpenmrs(Listener.java:266)
	at org.openmrs.web.WebDaemon$1.run(WebDaemon.java:42)
ERROR - StartupFilter.initializeVelocity(192) |2019-07-08 02:37:20,587| velocity init failed, because: org.apache.velocity.exception.VelocityException: Failed to initialize an instance of org.apache.velocity.runtime.log.CommonsLogLogChute with the current runtime configuration.
WARN - OpenmrsUtil.getRuntimePropertiesFilePathName(2085) |2019-07-08 02:37:20,604| Unable to find a runtime properties file at /home/tawrun/work/GSOC/openmrs-module-locationbasedaccess/openmrs-runtime.properties