zifeihan edited a comment on issue #6481:
URL: https://github.com/apache/skywalking/issues/6481#issuecomment-790377757
> And I think that we should add a null check for
`ContextManager.activeSpan()` in `CallbackInterceptor.handleMethodException`:
Sorry this is my hand error.
> ```
> @Override
> public void handleMethodException(EnhancedInstance objInst, Method method,
Object[] allArguments,
> Class<?>[] argumentsTypes, Throwable t) {
> ContextManager.activeSpan().log(t);
> }
> ```
How about using this judgment,
```
public void handleMethodException(EnhancedInstance objInst, Method
method, Object[] allArguments,
Class<?>[] argumentsTypes, Throwable t) {
CallbackCache cache = (CallbackCache)
objInst.getSkyWalkingDynamicField();
if (null != cache) {
ContextManager.activeSpan().log(t);
}
}
```
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