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https://issues.apache.org/jira/browse/FLINK-16684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann reassigned FLINK-16684:
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Assignee: Till Rohrmann
> StreamingFileSink builder does not work with Scala
> --------------------------------------------------
>
> Key: FLINK-16684
> URL: https://issues.apache.org/jira/browse/FLINK-16684
> Project: Flink
> Issue Type: Bug
> Components: API / Scala, Connectors / FileSystem
> Affects Versions: 1.10.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Critical
> Fix For: 1.10.1, 1.11.0
>
>
> The {{StreamingFileSink}} builders don't work with Scala as they lose with
> every {{with*}} method more type information. For example, the following
> example does not compile:
> {code}
> val sink = StreamingFileSink.forRowFormat(new Path("s3a://123"), new
> Encoder[String] {
> override def encode(element: String, stream: OutputStream): Unit = ???
> }).withRollingPolicy(
> DefaultRollingPolicy.builder()
> .withRolloverInterval(TimeUnit.MINUTES.toMinutes(5))
> .withInactivityInterval(TimeUnit.MINUTES.toMinutes(5))
> .withMaxPartSize(128 * 1024 * 1024)
> .build()
> ).withBucketAssigner(
> new BucketAssigner[String, String] {
> override def getBucketId(element: String, context:
> BucketAssigner.Context): String = ???
> override def getSerializer: SimpleVersionedSerializer[String] = ???
> }
> ).build();
> {code}
> The problem seems to be that Scala does type inference slightly differently
> than Java. I believe that the unspecified {{RowFormatBuilder}} type cannot be
> properly resolved.
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