added mutex call

source/RobotAPI/components/RobotState/RobotStateComponent.cpp

@@ -61,7 +61,10 @@ namespace armarx
     {
 
         historyLength = getProperty<int>("HistoryLength").getValue();
-        history.clear();
+        {
+            boost::unique_lock<SharedMutex> lock(historyMutex);
+            history.clear();
+        }
 
 
         relativeRobotFile = getProperty<std::string>("RobotFileName").getValue();
@@ -210,7 +213,6 @@ namespace armarx
         RobotStateConfig config;
         if (!interpolate(timestamp, config))
         {
-            ARMARX_WARNING << "Could not find or interpolate a robot state for time " << IceUtil::Time::microSeconds(timestamp).toDateTime();
             return NameValueMap();
         }
         return config.jointMap;
@@ -222,7 +224,6 @@ namespace armarx
         RobotStateConfig config;
         if (!interpolate(timestamp, config))
         {
-            ARMARX_WARNING << "Could not find or interpolate a robot state for time " << IceUtil::Time::microSeconds(timestamp).toDateTime();
             return RobotStateConfig();
         }
         return config;
@@ -242,6 +243,7 @@ namespace armarx
         }
         else if (it == history.end())
         {
+            ARMARX_WARNING << "Could not find or interpolate a robot state for time " << IceUtil::Time::microSeconds(time).toDateTime() << " - oldest available value: " << IceUtil::Time::microSeconds(history.begin()->first).toDateTime();
             return false;
         }
         else