ErrorObserver (ObjectBox Java 4.0.3 API)

```
public interface ErrorObserver
```
Exceptions thrown in DataObserver and @DataTransformer can be observed by an error observer set via SubscriptionBuilder.onError(ErrorObserver).

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void onError(java.lang.Throwable th)
  Called when an exception was thrown.

- Method Detail
  - onError
```
void onError(java.lang.Throwable th)
```
    Called when an exception was thrown.