Hi,
I tried to use FTP in my Ant task, so I downloaded the latest
commons-net-1.4.0.jar and jakarta-oro-2.0.8.jar, however, I got the
following error:
org.apache.commons.net.ftp.parser.ParserInitializationException: Error
initializing parser
I downloaded the source code and found the problem. It's in getSystemName
method of FTPClient class in Commons Net project. The reason is that for
some system, such as HP's NonStop (Tandem) platform, "SYST" command is not
understood, so __systemName will be null thus causing the error above.
I am enclosing the modified method below:
public String getSystemName() throws IOException
{
//if (syst() == FTPReply.NAME_SYSTEM_TYPE)
// Technically, we should expect a NAME_SYSTEM_TYPE response, but
// in practice FTP servers deviate, so we soften the condition to
// a positive completion.
if (__systemName != null) {
return __systemName;
}
if (__systemName == null && FTPReply.isPositiveCompletion(syst()))
{
__systemName =
((String)_replyLines.elementAt(0)).substring(4);
}
else {
//For some system, such as HP's NonStop (Tandem) platform, we
get:
//500 'SYST': command not understood. Defaults to UNIX for the
case.
__systemName = "UNIX";
}
return __systemName;
}
If anybody can take a look to see if it's appropriate to include the fix
to the project, that'll be greatly appreciated.
BTW, I sent to the group for three times with an attachment of
FTPClient.java and all three emails got bounced back. It seems we can't
use attachment.
Thanks!
Bing
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