akiyamaneko commented on pull request #31314:
URL: https://github.com/apache/spark/pull/31314#issuecomment-766622549
@sarutak thanks for your review.
I forgot that in the Java exception stack, `at` can be exists. My code
doesn't handle it very well, so what do you think is appropriate to do ? or
just handle it like below? hope for your advice.
```javascript
var indexOfAt= msg.indexOf("at");
var formHead = indexOfAt> 0 ? msg.substring(0, indexOfAt) : (msg.length >
100 ? msg.substring(0, 100) : msg)
```
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