Github user jvwing commented on the pull request:
https://github.com/apache/nifi/pull/224#issuecomment-194029775
I have [another annoying test for
you](https://github.com/jvwing/nifi/commit/95d7620f45398f20f23d6f5e7cfe572616beb8d6),
for the following scenario:
1. GetDynamoDB successfully receives an item
1. The item does not have the Json Document attribute expected from the
configured properties
1. GetDynamoDB throws a NullPointerException with no helpful explanation.
Logged text was:
> 2016-03-08 10:48:40,855 ERROR [Timer-Driven Process Thread-5]
o.a.n.p.aws.dynamodb.GetDynamoDB
GetDynamoDB[id=86f82c25-0021-4228-a5a6-df7d11c2370e] Could not process
flowFiles due to exception : null
I expect this scenario to be fairly normal with the Json Document attribute
design since DynamoDB has no schema enforcement. I recommend changing the code
to either throw a more helpful exception message (see sample), or to silently
accept this by passing empty FlowFile content.
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