[growatt] improve logging (#17573)

Signed-off-by: AndrewFG <software@whitebear.ch>

diff --git a/bundles/org.openhab.binding.growatt/src/main/java/org/openhab/binding/growatt/internal/handler/GrowattInverterHandler.java b/bundles/org.openhab.binding.growatt/src/main/java/org/openhab/binding/growatt/internal/handler/GrowattInverterHandler.java
index eeb960461f5f43d67e4ae66c6e279e2e1068dae0..23cac36b84e610a64f8cb19eff2030245820cce0 100644 (file)
--- a/bundles/org.openhab.binding.growatt/src/main/java/org/openhab/binding/growatt/internal/handler/GrowattInverterHandler.java
+++ b/bundles/org.openhab.binding.growatt/src/main/java/org/openhab/binding/growatt/internal/handler/GrowattInverterHandler.java
@@ -188,7 +188,7 @@ public class GrowattInverterHandler extends BaseThingHandler {
             getGrowattCloud().setupBatteryProgram(deviceId, programMode, powerLevel, stopSOC, enableAcCharging,
                     startTime, stopTime, enableProgram);
         } catch (GrowattApiException e) {
-            logger.warn("setupBatteryProgram() error", e);
+            logger.warn("setupBatteryProgram() error '{}'", e.getMessage(), logger.isDebugEnabled() ? e : null);
         }
     }
 }