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Posted to jira@kafka.apache.org by "Caio Boratto (JIRA)" <ji...@apache.org> on 2018/10/03 13:18:00 UTC
[jira] [Commented] (KAFKA-7157) Connect TimestampConverter SMT
doesn't handle null values
[ https://issues.apache.org/jira/browse/KAFKA-7157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16636931#comment-16636931 ]
Caio Boratto commented on KAFKA-7157:
-------------------------------------
Is there any workaround that we can use while the bug has not been fixed?
> Connect TimestampConverter SMT doesn't handle null values
> ---------------------------------------------------------
>
> Key: KAFKA-7157
> URL: https://issues.apache.org/jira/browse/KAFKA-7157
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 0.10.2.0
> Reporter: Randall Hauch
> Priority: Major
>
> TimestampConverter SMT is not able to handle null values (in any versions), so it's always trying to apply the transformation to the value. Instead, it needs to check for null and use the default value for the new schema's field.
> {noformat}
> [2018-07-03 02:31:52,490] ERROR Task MySourceConnector-2 threw an uncaught and unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask)
> java.lang.NullPointerException
> at org.apache.kafka.connect.transforms.TimestampConverter$2.toRaw(TimestampConverter.java:137)
> at org.apache.kafka.connect.transforms.TimestampConverter.convertTimestamp(TimestampConverter.java:440)
> at org.apache.kafka.connect.transforms.TimestampConverter.applyValueWithSchema(TimestampConverter.java:368)
> at org.apache.kafka.connect.transforms.TimestampConverter.applyWithSchema(TimestampConverter.java:358)
> at org.apache.kafka.connect.transforms.TimestampConverter.apply(TimestampConverter.java:275)
> at org.apache.kafka.connect.runtime.TransformationChain.apply(TransformationChain.java:38)
> at org.apache.kafka.connect.runtime.WorkerSinkTask.convertMessages(WorkerSinkTask.java:435)
> at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:264)
> at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:182)
> at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:150)
> at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:146)
> at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:190)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> [2018-07-03 02:31:52,491] ERROR Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask)
> {noformat}
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