Github user ijokarumawak commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1974#discussion_r126053317
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/util/FileTransfer.java
---
@@ -39,6 +39,8 @@
void flush() throws IOException;
+ boolean flush(FlowFile flowFile) throws IOException;
--- End diff --
Similar to `flush()`, other methods those use `getClient` (in FTPTransfer)
or `getChannel` (in SFTPTransfer) should pass incoming FlowFile in order to
evaluate EL properly.
[NIFI-3590](https://issues.apache.org/jira/browse/NIFI-3590) is essentially the
same to NIFI-3281 which is caused by not passing FlowFile.
Do we want to address it, too? Ideally, the codes `getClient(null)` and
`getChannel(null)` should be removed completely.
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