Github user jvwing commented on the issue:
https://github.com/apache/nifi/pull/1537
I also recommend running a full build with `mvn clean install
-Pcontrib-check`. It looks like several of the QueryDatabaseTableTest unit
tests are failing:
>Tests run: 11, Failures: 8, Errors: 0, Skipped: 0, Time elapsed: 1.006 sec
<<< FAILURE! - in org.apache.nifi.processors.standard.QueryDatabaseTableTest
testWithRuntimeException(org.apache.nifi.processors.standard.QueryDatabaseTableTest)
Time elapsed: 0.388 sec <<< FAILURE!
java.lang.AssertionError:
org.apache.nifi.processor.exception.FlowFileHandlingException: Cannot commit
session because the following FlowFiles have not been removed or transferred:
[0]
My quick take is that the happy-path works fine with your code, but paths
that do not result in a flowfile output are failing because the session is not
cleaned up. How about moving the call to `session.putAttribute` down to line
~300 by where RESULT_ROW_COUNT is added? A viable output flowfile is being
formatted here, and being in the same neighborhood with other attribute
assignments might be easier to understand. What do you think?
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