[jira] [Commented] (NIFI-6266) FTP processors do not honor Proxy settings

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-6266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17483464#comment-17483464 ] 

ASF subversion and git services commented on NIFI-6266:
-------------------------------------------------------

Commit 95abc35463d43ea9ee62dc041f85dca38579fec2 in nifi's branch refs/heads/main from David Handermann
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=95abc35 ]

NIFI-6266 Corrected proxy FTP connect handling

- Added ProxyFTPClient with connect method supporting unresolved hosts
- Added FTPClientProvider with implementation handling configuration and connection
- Added support for SOCKS with authentication in FTP components
- Refactored FTPTransfer using FTPClientProvider

Signed-off-by: Nathan Gough <th...@gmail.com>

This closes #5655.


> FTP processors do not honor Proxy settings 
> -------------------------------------------
>
>                 Key: NIFI-6266
>                 URL: https://issues.apache.org/jira/browse/NIFI-6266
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.9.2, 1.11.4, 1.15.2
>            Reporter: Steven Arnott
>            Assignee: David Handermann
>            Priority: Major
>         Attachments: image-2019-05-06-10-34-04-951.png
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Trying to use GetFTP to download a file via our company proxy.  But the processor does not seem to honor the proxy settings in any way.
> The GetFTP issues a connection timeout error:
> {code:java}
> 2019-05-06 10:32:17,065 ERROR [Timer-Driven Process Thread-10] o.apache.nifi.processors.standard.GetFTP GetFTP[id=7f520fd2-016a-1000-5012-ae01d3493bfa] Unable to fetch listing from remote server due to java.net.ConnectException: Connection timed out (Connection timed out): java.net.ConnectException: Connection timed out (Connection timed out)
> java.net.ConnectException: Connection timed out (Connection timed out)
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:589)
> at org.apache.commons.net.SocketClient._connect(SocketClient.java:243)
> at org.apache.commons.net.SocketClient.connect(SocketClient.java:181)
> at org.apache.nifi.processors.standard.util.FTPTransfer.getClient(FTPTransfer.java:585)
> at org.apache.nifi.processors.standard.util.FTPTransfer.getListing(FTPTransfer.java:228)
> at org.apache.nifi.processors.standard.util.FTPTransfer.getListing(FTPTransfer.java:191)
> at org.apache.nifi.processors.standard.GetFileTransfer.fetchListing(GetFileTransfer.java:284)
> at org.apache.nifi.processors.standard.GetFileTransfer.onTrigger(GetFileTransfer.java:127)
> at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1162)
> at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:209)
> at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117)
> at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> {code}
> The process is configured thus to hit a netcat process to see if any connection is made
> !image-2019-05-06-10-34-04-951.png!
> When I change the target of the FTP to this debug endpoint it does shows it connecting to my listener for the FTP server but not to the proxy.
> Running 1.9.2 in a Docker container.
>  



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