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From jbre...@wi.rr.com (Jeffrey D. Brekke)
Subject Re: [NET FTPClient] MalformedPatternException when trying to listFile s()
Date Fri, 28 May 2004 12:35:14 GMT

A few questions:

Do you have the jakarta oro jar in your classpath? 
What is the host type that the ftp server is on ( nt, unix, etc )?


>>>>> On Fri, 28 May 2004 11:46:24 +0200, Hermann.Pruem@f-it.de said:

> Hello All, I am having problems with the FTPClient class of
> commons.net (1.2.1). When I do

> FTPFile[] f = ftpClient.listFiles(filename);

> a runtime exception is thrown (the file really exists on the server,
> the ftp connection is working correctly).


> java.lang.NoClassDefFoundError:
> org/apache/oro/text/regex/MalformedPatternException at
> org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory.createUni
> xFTPEntryParser(DefaultFTPFileEntryParserFactory.java:121) at
> org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory.createFil
> eEntryParser(DefaultFTPFileEntryParserFactory.java:84) at
> org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2306
> ) at
> org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2055)
> at
> org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2106)
> at
> de.freudenberg.it.ssts.liet.FTPConnection.getFileSize(FTPConnection.java:80)
> at
> de.freudenberg.it.ssts.liet.ProcessingThread.processOutFile(ProcessingThread
> .java:184) at
> de.freudenberg.it.ssts.liet.ProcessingThread.run(ProcessingThread.java:131)
> at java.lang.Thread.run(Thread.java:484)



> I have managed to trace this down as follows: Obviously, a
> UnixFTPEntryParser is created (the server is identified as "UNIX
> Type: L8 Version: BSD-44"). On this creation, a
> RegexFTPFileEntryParserImpl is created with a regex pattern given in
> the libraries source code. A Perl5Matcher and a Perl5Compiler() are
> created and the regex pattern is used to compile().

> And now things are getting weird: Problem 1: compile() throws a
> MalformedPatternException in case the regex pattern is not
> correct. Here, compile() tries to throw it, so there seems to be
> something wrong with the pattern. Is this a known issue?  Or am I
> really the first one to have this problem? Or have I simply done
> something wrong?

> Problem 2: compile() does not even manage to throw this exception,
> so there must be some library files missing. I am a bit at a loss
> with this.

> Can anybody help?

> Hermann

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-- 
=====================================================================
Jeffrey D. Brekke                                   jbrekke@wi.rr.com
Wisconsin,  USA                                     brekke@apache.org
                                                    ekkerbj@yahoo.com


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