Read an upload Excel File was not working using Spring Boot (#814)

Issue: 106086

Author: iroqueta

java/src/main/java/com/genexus/internet/HttpContext.java

@@ -378,12 +378,13 @@ public void sendResponseStatus(int statusCode, String statusDescription)
 			}
 		}        	
 		getResponse().setStatus(statusCode);
-		try {
-			getResponse().sendError(statusCode, statusDescription);
-		}
-		catch(Exception e) {
-			if (logger.isErrorEnabled()) {
-				logger.error("Could not send Response Error Code", e);
+		if (!ApplicationContext.getInstance().isSpringBootApp()) {
+			try {
+				getResponse().sendError(statusCode, statusDescription);
+			} catch (Exception e) {
+				if (logger.isErrorEnabled()) {
+					logger.error("Could not send Response Error Code", e);
+				}
 			}
 		}
 		setAjaxCallMode();

java/src/main/java/com/genexus/util/GXFile.java

@@ -237,7 +237,7 @@ public boolean exists() {
         if (sourceSeted()) {
             try {
                 resetErrors();
-				if (ApplicationContext.getInstance().isSpringBootApp() && new ClassPathResource(source).exists())
+				if (ApplicationContext.getInstance().isSpringBootApp() && source != null && new ClassPathResource(source).exists())
 				{
 					return true;
 				}