Till Rohrmann created FLINK-20197:
-------------------------------------
Summary: FileSink fails with UnsupportedOperationException when
using default values
Key: FLINK-20197
URL: https://issues.apache.org/jira/browse/FLINK-20197
Project: Flink
Issue Type: Bug
Components: API / DataStream, Connectors / FileSystem
Affects Versions: 1.12.0
Reporter: Till Rohrmann
Fix For: 1.12.0
When using the default values for the new {{FileSink}}, it fails with
{code}
Caused by: java.lang.UnsupportedOperationException: not supported
at
org.apache.flink.connector.file.sink.writer.FileWriter$BucketerContext.currentProcessingTime(FileWriter.java:296)
~[flink-connector-files-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.api.functions.sink.filesystem.bucketassigners.DateTimeBucketAssigner.getBucketId(DateTimeBucketAssigner.java:111)
~[flink-file-sink-common-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.api.functions.sink.filesystem.bucketassigners.DateTimeBucketAssigner.getBucketId(DateTimeBucketAssigner.java:55)
~[flink-file-sink-common-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.connector.file.sink.writer.FileWriter.write(FileWriter.java:189)
~[flink-connector-files-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.operators.sink.AbstractSinkWriterOperator.processElement(AbstractSinkWriterOperator.java:80)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:71)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:46)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:26)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:52)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:30)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.api.operators.StreamGroupedReduceOperator.processElement(StreamGroupedReduceOperator.java:68)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:193)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.processElement(StreamTaskNetworkInput.java:179)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:152)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:67)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:372)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:574)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:538)
~[flink-streaming-java_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722)
~[flink-runtime_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547)
~[flink-runtime_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
at java.lang.Thread.run(Thread.java:834) ~[?:?]
{code}
The problem seems that the {{FileWriter.BucketerContext.currentProcessingTime}}
throws an {{UnsupportedOperationException}}. This feels not correct. A job for
reproducing the problem can be found
[here|https://github.com/tillrohrmann/flink-streaming-batch-execution/tree/file-sink-fails-with-default-bucket-assigner].
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