bug5044: rather create an empty TimeRange instead of provoking exception;

furthermore, I've added logging for uncaught GWT RPC exceptions

java/com.sap.sailing.domain.shared.android/src/com/sap/sailing/domain/abstractlog/regatta/tracking/analyzing/impl/RegattaLogDeviceMappingFinder.java

@@ -49,7 +49,8 @@ public class RegattaLogDeviceMappingFinder<ItemT extends WithID>
 
     protected DeviceMappingWithRegattaLogEvent<ItemT> createMapping(DeviceIdentifier device, ItemT item,
             TimePoint from, TimePoint toInclusive, Serializable originalEventId, RegattaLogDeviceMappingEvent<ItemT> event) {
-        return new DeviceMappingWithRegattaLogEventImpl<ItemT>(item, device, new TimeRangeImpl(from, toInclusive, /* inclusive */ true),
+        return new DeviceMappingWithRegattaLogEventImpl<ItemT>(item, device, new TimeRangeImpl(from,
+                toInclusive.before(from) ? from : toInclusive, /* inclusive */ true),
                 Collections.singletonList(originalEventId), event);
     }
 

java/com.sap.sse.gwt/src/com/sap/sse/gwt/server/DelegatingProxiedRemoteServiceServlet.java

@@ -3,6 +3,8 @@ package com.sap.sse.gwt.server;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.Arrays;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException;
 import com.google.gwt.user.client.rpc.RpcTokenException;
@@ -14,6 +16,8 @@ import com.google.gwt.user.server.rpc.SerializationPolicy;
 import com.sap.sse.common.TimePoint;
 
 public abstract class DelegatingProxiedRemoteServiceServlet extends ProxiedRemoteServiceServlet {
+    private static final Logger logger = Logger.getLogger(DelegatingProxiedRemoteServiceServlet.class.getName())
+            ;
     private static final long serialVersionUID = -5543378343472849437L;
 
     /**
@@ -73,6 +77,7 @@ public abstract class DelegatingProxiedRemoteServiceServlet extends ProxiedRemot
         } catch (InvocationTargetException e) {
             // Try to encode the caught exception
             Throwable cause = e.getCause();
+            logger.log(Level.SEVERE, "Uncaught exception, forwarded to client", cause);
             responsePayload = RPC.encodeResponseForFailure(serviceMethod, cause, serializationPolicy, flags);
         }
         return responsePayload;