Github user vegaed commented on a diff in the pull request: https://github.com/apache/nifi/pull/1034#discussion_r80254681 --- Diff: nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/s3/PutS3Object.java --- @@ -132,6 +132,19 @@ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) .build(); + public static final PropertyDescriptor CONTENT_TYPE = new PropertyDescriptor.Builder() + .name("Content Type") + .description("Sets the Content-Type HTTP header indicating the type of content stored in the associated " + + "object. The value of this header is a standard MIME type.\n" + + "AWS S3 Java client will attempt to determine the correct content type if one hasn't been set" + + " yet. Users are responsible for ensuring a suitable content type is set when uploading streams. If " + + "no content type is provided and cannot be determined by the filename, the default content type " + + "\"application/octet-stream\" will be used.") --- End diff -- Well if I do that then the default behavior will not kick in. This is an optional property. In our case the client couldn't figure out the type so we needed to tell it.
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