Pascal Castéran created BEAM-2605:
-------------------------------------
Summary: Exception raised when using MongoDBIO.Write in streaming
mode
Key: BEAM-2605
URL: https://issues.apache.org/jira/browse/BEAM-2605
Project: Beam
Issue Type: Bug
Components: sdk-java-extensions
Affects Versions: 2.0.0
Reporter: Pascal Castéran
Assignee: Davor Bonaci
In org.apache.beam.sdk.io.mongodb.MongoDbIO.Write.WriteFn#flush(), no check is
done on the size of the batch list of documents before executing the
_*insertMany*_ operation.
In streaming mode, when processing an empty pane, an empty list of documents in
passed to the MongoDB client which results in the following exception:
{quote}java.lang.IllegalArgumentException: state should be: writes is not an
empty list
at com.mongodb.assertions.Assertions.isTrueArgument(Assertions.java:99)
at
com.mongodb.operation.MixedBulkWriteOperation.<init>(MixedBulkWriteOperation.java:95)
at
com.mongodb.MongoCollectionImpl.insertMany(MongoCollectionImpl.java:323)
at
com.mongodb.MongoCollectionImpl.insertMany(MongoCollectionImpl.java:311)
at
org.apache.beam.sdk.io.mongodb.MongoDbIO$Write$WriteFn.flush(MongoDbIO.java:513)
at
org.apache.beam.sdk.io.mongodb.MongoDbIO$Write$WriteFn.finishBundle(MongoDbIO.java:506){quote}
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