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https://issues.apache.org/jira/browse/NET-158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12489702
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Rory Winston commented on NET-158:
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HI Gilles
Thanks for the submission. What FTP server (version, OS ) is this happening
with? Would you be able to include a trace of the server/client conversation
(by using the PrintCommandListener) e.g.
client.addProtocolCommandListener(new PrintCommandListener(new
PrintWriter(System.out)));
Thanks,
Rory
> login in FTPClient does not always read the complete server response
> --------------------------------------------------------------------
>
> Key: NET-158
> URL: https://issues.apache.org/jira/browse/NET-158
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.4
> Reporter: Gilles Gaillard
> Priority: Trivial
>
> When a password is required to connect the FTP server, the implementation of
> method login in class FTPClient ends with:
> return FTPReply.isPositiveCompletion(pass(password))
> which returns false for any code >= 300.
> However, some servers send a code 451 before returning the code 530
> (NOT_LOGGED_IN). Ignoring this addtional answer,
> leads to desynch the client with the server, hence leading to unexpected
> behaviors in next exchanges.
> Threfore i propose to replace the above code in the end of the method with:
> _replyCode = p_Client.pass(p_Password);
> boolean result = FTPReply.isPositiveCompletion(_replyCode);
> if (!result && _replyCode==FTPReply.ACTION_ABORTED){
> try {
> _replyCode = p_Client.getReply();
> } catch (Exception e){
> e.printStackTrace();
> }
> }
> return result;
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