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https://issues.apache.org/jira/browse/NET-291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12887427#action_12887427
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Sebb commented on NET-291:
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The call to __initiDefaults() has been present since the original code was
imported.
Presumably at least some of the fields do need to be reset as part of the
connectAction method, but it's not immediately obvious which ones do need to be
reset.
__initDefaults() is also called from the ctor, disconnect() and reinitialize().
Makes sense for the ctor and re-init; not sure whether disconnect() should
reset everything.
Unfortunately changing this might cause some applications to break.
> enterLocalPassiveMode is set back to Active on connect
> ------------------------------------------------------
>
> Key: NET-291
> URL: https://issues.apache.org/jira/browse/NET-291
> Project: Commons Net
> Issue Type: Bug
> Components: FTP
> Affects Versions: 2.0
> Reporter: Kevin Brown
>
> enterLocalPassiveMode (exhibit A) docs claim that mode will be set to
> PASSIVE_LOCAL_DATA_CONNECTION_MODE "some other method such as"
> enterLocalActiveMode is called (exhibit B). However, active mode is being
> entered after connect is called. This behavior can be easily observed by
> modifying FtpExample by moving ftp.enterLocalPassiveMode() to before
> ftp.connect(server).
> Perhaps either the code or docs could be updated to remedy this. Versions
> prior to 2.0 behaved as documented.
>
> exhibit A:
> /***
> * Set the current data connection mode to
> * <code> PASSIVE_LOCAL_DATA_CONNECTION_MODE </code>. Use this
> * method only for data transfers between the client and server.
> * This method causes a PASV command to be issued to the server
> * before the opening of every data connection, telling the server to
> * open a data port to which the client will connect to conduct
> * data transfers. The FTPClient will stay in
> * <code> PASSIVE_LOCAL_DATA_CONNECTION_MODE </code> until the
> * mode is changed by calling some other method such as
> * {...@link #enterLocalActiveMode enterLocalActiveMode() }
> ***/
> public void enterLocalPassiveMode()
> {
> __dataConnectionMode = PASSIVE_LOCAL_DATA_CONNECTION_MODE;
> // These will be set when just before a data connection is opened
> // in _openDataConnection_()
> __passiveHost = null;
> __passivePort = -1;
> }
> exhibit B
> @Override
> protected void _connectAction_() throws IOException
> {
> super._connectAction_();
> __initDefaults();
> }
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