there are much description of the same error event above in the error log file, which I'm resuming down here:
ERROR 2018-01-18 09:44:26,506 [main] org.openforis.collect.earth.app.desktop.ServerController: Error getting web application context
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from URL location [classpath:org/openforis/collect/application-context-core.xml]
Offending resource: URL [file:C:/Users/lupilan/AppData/Roaming/CollectEarth/generated/applicationContext.xml]; nested exception is org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 14 in XML document from class path resource [org/openforis/collect/application-context-core.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 14; columnNumber: 28; cvc-elt.1: Cannot find the declaration of element 'beans'.
at.....................
ERROR 2018-01-18 09:44:26,510 [main] org.openforis.collect.earth.app.desktop.EarthApp: Could not generate KML file
java.lang.NullPointerException: null
at................
ERROR 2018-01-18 09:44:29,326 [main] org.openforis.collect.earth.app.desktop.ServerController: Error getting web application context
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from URL location [classpath:org/openforis/collect/application-context-core.xml]
Offending resource: URL [file:C:/Users/lupilan/AppData/Roaming/CollectEarth/generated/applicationContext.xml]; nested exception is org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 14 in XML document from class path resource [org/openforis/collect/application-context-core.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 14; columnNumber: 28; cvc-elt.1: Cannot find the declaration of element 'beans'.
at....................
...then here there's what I copied in the previous message.
thank you, Andrea