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From "Rory Winston (JIRA)" <j...@apache.org>
Subject [jira] Closed: (NET-193) FTP throw NullPointerException when enountering 02-29-2008 (leap year bug)
Date Sat, 08 Mar 2008 19:51:46 GMT

     [ https://issues.apache.org/jira/browse/NET-193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rory Winston closed NET-193.
----------------------------

       Resolution: Fixed
    Fix Version/s: 2.0
                   1.5

> FTP throw NullPointerException when enountering 02-29-2008 (leap year bug)
> --------------------------------------------------------------------------
>
>                 Key: NET-193
>                 URL: https://issues.apache.org/jira/browse/NET-193
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 1.4
>         Environment: Ant 1.7 
> commons-net-1.4.1
> java 1.6.0_01
> Windows 2003 (build machine)
> Windows 2003 FTP server
>            Reporter: j burtram
>             Fix For: 1.5, 2.0
>
>
> ant FTP task blowing up when parsing directories containing ANY items dated (created/modified)
February 29 2008.
> There may be a workaround using defaultDateFormatConfig or recentDateFormatConfig - but
I didn't find it (actually by messing with some of the ftp attributes my build finally stopped
throwing NullPointerExceptions, but refused to list or get any files!!  Always came back with
0 files found)
> Not sure the date format used by Windows FTP server - One thing I am sure of:  tasks
that once worked stopped working on Friday - it took all weekend and most of today to figure
it out.  By updating files and folders, magically ftp task begins working agains and I slowly
begin regain my sanity 
> Here's the exception:
> D:\builds\build.xml:23: java.lang.NullPointerException
>         at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:115)
>         at org.apache.tools.ant.Task.perform(Task.java:348)
>         at org.apache.tools.ant.Target.execute(Target.java:357)
>         at org.apache.tools.ant.Target.performTasks(Target.java:385)
>         at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
>         at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
>         at org.apache.tools.ant.Main.runBuild(Main.java:698)
>         at org.apache.tools.ant.Main.startAnt(Main.java:199)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
> Caused by: java.lang.NullPointerException
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.scandir(FTP.java:374)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.accountForIncludedDir(FTP.java:459)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.scandir(FTP.java:383)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.checkIncludePatterns(FTP.java:270)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.scan(FTP.java:233)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java:1570)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java:1683)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP.execute(FTP.java:2373)
>         at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
>         ... 11 more
> --- Nested Exception ---
> java.lang.NullPointerException
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.scandir(FTP.java:374)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.accountForIncludedDir(FTP.java:459)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.scandir(FTP.java:383)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.checkIncludePatterns(FTP.java:270)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP$FTPDirectoryScanner.scan(FTP.java:233)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java:1570)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java:1683)
>         at org.apache.tools.ant.taskdefs.optional.net.FTP.execute(FTP.java:2373)
>         at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
>         at org.apache.tools.ant.Task.perform(Task.java:348)
>         at org.apache.tools.ant.Target.execute(Target.java:357)
>         at org.apache.tools.ant.Target.performTasks(Target.java:385)
>         at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
>         at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
>         at org.apache.tools.ant.Main.runBuild(Main.java:698)
>         at org.apache.tools.ant.Main.startAnt(Main.java:199)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)

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