[ http://issues.apache.org/jira/browse/NET-39?page=all ]
Rory Winston resolved NET-39.
-----------------------------
Fix Version/s: 2.0
Resolution: Fixed
Added to 2.0 branch
> [net] Solution for ant ftp fails with Nullpointerexception when a symlink is
> evaluated in method checkRemoteSensitivity in FTP.java for a z/OS ftp server
> ---------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NET-39
> URL: http://issues.apache.org/jira/browse/NET-39
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.4 Final
> Environment: Operating System: Windows 2000
> Platform: PC
> Reporter: Denis Gaebler
> Fix For: 2.0
>
> Attachments: FTP.diffs, UnixFTPEntryParser.diffs
>
>
> The following code is trying to download a file from a z/OS FTP server:
> <ftp action="get" server="${server}" userid="${userid}" password="${password}"
> remotedir="/usr/lpp/ims/imsjava91">
> <fileset dir="C:\temp">
> <include name="imsjava.jar"/>
> </fileset>
> </ftp>
> The directory in my case also contains symlinks to non Unix File Systems. For
> those symlinks somehow the FTP classes are not able to obtain file
> information,
> e.g. the following listing prints String target and array[pcounter] from
> method
> checkRemoteSensitivity in org/apache/tools/ant/taskdefs/optional/net/FTP.java:
> [ftp] getting files
> [ftp] ibm drwxr-xr-x 2 OMVSKERN SYS1 8192 Feb 14 2005 IBM
> [ftp] ibm -rw-r--r-- 2 OMVSKERN SYS1 1963 Feb 14 2005 README
> [ftp] ibm drwxr-xr-x 3 OMVSKERN SYS1 8192 Feb 14 2005 cics
> [ftp] ibm drwxr-xr-x 4 OMVSKERN SYS1 8192 Jun 16 13:50 dlimodel
> [ftp] ibm -rw-r--r-- 2 OMVSKERN SYS1 267217 Jun 16 13:50
> imsjava.ja
> r
> [ftp] ibm -rw-r--r-- 2 OMVSKERN SYS1 5545 Jun 16 13:50
> imsjava91.
> rar
> [ftp] ibm drwxr-xr-x 3 OMVSKERN SYS1 8192 Feb 14 2005 lib
> [ftp] ibm null
> In FTP.java at line 536 it is not checked if array[pcounter] is null.
> Commons-net is at 1.4.0. Apache Ant version is 1.6.2 compiled on July 16
> 2004. I
> did not try to research the cause in the code, why the file information is
> null.
> For me I added an if clause around lines 536-538 to check if array[pcounter]
> is
> null and this worked great.
> So I replaced lines:
> if (array[pcounter].getName().equals(target) &&
> pcounter != icounter) {
> candidateFound = false;
> }
> with:
> if (array[pcounter] != null) {
> if (array[pcounter].getName().equals(target) &&
> pcounter != icounter) {
> candidateFound = false;
> }
> }
> I would highly appreciate to add that code to Ant, otherwise my customers will
> not be able to use any Ant version for some z/OS directories.
> Thank you in advance.
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