Github user jerryshao commented on the pull request:
https://github.com/apache/spark/pull/5936#issuecomment-99498733
Hi @koeninger , I just run this example with no additional configuration
for the first time, I met such exception when the example is started. But again
I run it, there's no such exception, instead I met some of warning logs like:
```
WARN common.AppInfo$: Can't read Kafka version from MANIFEST.MF. Possible
cause: java.lang.NullPointerException
```
I guess this was introduced by the upgrading of Kafka version, since I
didn't meet this before. So I rewrite this example with new Producer API, and
this warning log is gone.
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