fixed exception handling

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/Util.java

@@ -136,12 +136,12 @@ public class Util {
 		}
 		var method = query == null ? GET : POST;
 		try {
-			LOG.log(DEBUG,"sending {0} request ({1}) to {2}",method,postMime == null ? "empty" : postMime,target);
-			LOG.log(TRACE,"postData = {0}",query);
+			LOG.log(DEBUG, "sending {0} request ({1}) to {2}", method, postMime == null ? "empty" : postMime, target);
+			LOG.log(TRACE, "postData = {0}", query);
 			var conn = open(target);
 			conn.setRequestMethod(method);
 			conn.setRequestProperty(CONTENT_TYPE, postMime);
-			if (auth != null) conn.setRequestProperty(AUTHORIZATION,auth);
+			if (auth != null) conn.setRequestProperty(AUTHORIZATION, auth);
 			if (query != null) {
 				conn.setDoOutput(true);
 				var out = conn.getOutputStream();
@@ -161,8 +161,10 @@ public class Util {
 				var is = conn.getErrorStream();
 				is.transferTo(bos);
 				is.close();
-				throw new UmbrellaException(500,bos.toString(UTF_8));
+				throw new UmbrellaException(500, bos.toString(UTF_8));
 			}
+		} catch (UmbrellaException e){
+			throw e;
 		} catch (Exception e) {
 			LOG.log(WARNING,"Request to {0} failed: {1}",target,e.getMessage());
 			throw new UmbrellaException(500,"Request to {0} failed!",target).causedBy(e);