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https://issues.apache.org/jira/browse/FLINK-16805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17067641#comment-17067641
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Chesnay Schepler commented on FLINK-16805:
------------------------------------------
By setting {{-Dpre-commit-tests}} we have enabled this test in all test runs.
If there is any that doesnt that distDir, that might explain it.
> StreamingKafkaITCase fails with "Could not instantiate instance using default
> factory."
> ---------------------------------------------------------------------------------------
>
> Key: FLINK-16805
> URL: https://issues.apache.org/jira/browse/FLINK-16805
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka, Tests
> Affects Versions: 1.11.0
> Reporter: Robert Metzger
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.11.0
>
>
> CI:
> https://dev.azure.com/rmetzger/Flink/_build/results?buildId=6654&view=logs&j=fc5181b0-e452-5c8f-68de-1097947f6483&t=27d1d645-cbce-54e2-51c4-d8b45fe24607
> {code}
> 2020-03-26T08:17:42.8881925Z [INFO] T E S T S
> 2020-03-26T08:17:42.8882791Z [INFO]
> -------------------------------------------------------
> 2020-03-26T08:17:43.6840472Z [INFO] Running
> org.apache.flink.tests.util.kafka.StreamingKafkaITCase
> 2020-03-26T08:17:43.6933052Z [ERROR] Tests run: 3, Failures: 0, Errors: 3,
> Skipped: 0, Time elapsed: 0.006 s <<< FAILURE! - in
> org.apache.flink.tests.util.kafka.StreamingKafkaITCase
> 2020-03-26T08:17:43.6934567Z [ERROR] testKafka[0:
> kafka-version:0.10.2.0](org.apache.flink.tests.util.kafka.StreamingKafkaITCase)
> Time elapsed: 0.004 s <<< ERROR!
> 2020-03-26T08:17:43.6935170Z java.lang.RuntimeException: Could not
> instantiate instance using default factory.
> 2020-03-26T08:17:43.6935702Z at
> org.apache.flink.tests.util.kafka.StreamingKafkaITCase.<init>(StreamingKafkaITCase.java:72)
> 2020-03-26T08:17:43.6936024Z
> 2020-03-26T08:17:43.6936691Z [ERROR] testKafka[1:
> kafka-version:0.11.0.2](org.apache.flink.tests.util.kafka.StreamingKafkaITCase)
> Time elapsed: 0 s <<< ERROR!
> 2020-03-26T08:17:43.6937288Z java.lang.RuntimeException: Could not
> instantiate instance using default factory.
> 2020-03-26T08:17:43.6937789Z at
> org.apache.flink.tests.util.kafka.StreamingKafkaITCase.<init>(StreamingKafkaITCase.java:72)
> 2020-03-26T08:17:43.6938113Z
> 2020-03-26T08:17:43.6938890Z [ERROR] testKafka[2:
> kafka-version:2.2.0](org.apache.flink.tests.util.kafka.StreamingKafkaITCase)
> Time elapsed: 0 s <<< ERROR!
> 2020-03-26T08:17:43.6939646Z java.lang.RuntimeException: Could not
> instantiate instance using default factory.
> 2020-03-26T08:17:43.6940153Z at
> org.apache.flink.tests.util.kafka.StreamingKafkaITCase.<init>(StreamingKafkaITCase.java:72)
> 2020-03-26T08:17:43.6940485Z
> 2020-03-26T08:17:44.0270048Z [INFO]
> 2020-03-26T08:17:44.0270457Z [INFO] Results:
> 2020-03-26T08:17:44.0270649Z [INFO]
> 2020-03-26T08:17:44.0270863Z [ERROR] Errors:
> 2020-03-26T08:17:44.0271847Z [ERROR] StreamingKafkaITCase.<init>:72 »
> Runtime Could not instantiate instance using ...
> 2020-03-26T08:17:44.0272651Z [ERROR] StreamingKafkaITCase.<init>:72 »
> Runtime Could not instantiate instance using ...
> 2020-03-26T08:17:44.0273487Z [ERROR] StreamingKafkaITCase.<init>:72 »
> Runtime Could not instantiate instance using ...
> 2020-03-26T08:17:44.0274218Z [INFO]
> 2020-03-26T08:17:44.0274517Z [ERROR] Tests run: 3, Failures: 0, Errors: 3,
> Skipped: 0
> {code}
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