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From "andreiv3103" <andr...@ubm.ro>
Subject Re: DELETE task fails
Date Thu, 10 Jul 2003 05:50:22 GMT
This is a general bug in Windows XP. The same thing happed to me 
while trying to delete from Windows Explorer. If you don't find 
another solution, try runnig your ANT on another Windows (say 2000)


--- In apache-ant@yahoogroups.com, Michael.Giroux@B... wrote:
> Problem: DELETE task fails because it is unable to delete a 
directory.
> 
> I have an ANT target that includes a delete task to remove an entire
> directory.  The directory contains several subdirectories of java 
class
> files that have been collected into a jar.
> 
> Using -debug option, and verbose='yes' on the delete task, I have
> determined that the failure occurs when deleting a directory that 
becomes
> empty as a result of deleting all subordinate files and directories.
> 
> I have confirmed that there are no command windows, or other 
processes
> accessing the directory.  Following the ANT failure, I am able to 
delete
> the directory manually using 'rmdir /s' command from the same 
command
> window.
> 
> I am providing a portion of the build.xml to illustrate the 
relavent tasks.
> 
> 1. in the server target, the delete task always fails.  With 
failonerror
> ='false' ANT will usually report 12 "Unable to delete" messages.  
However,
> I have seen as many as 18, and as few as three.
> 2. in the client target, the first delete task always succeeds.  
This
> confirms that no other processes have an open reference to the 
classes
> directory.
> 3. in the client target, the second delete task always reports two 
or three
> Unable to delete messages.
> 
> I moved the project to a network drive, and the ANT INSTALL task 
runs
> successfully with no errors reported by any of the delete tasks.
> 
> I turned OFF disk cache for WRITES, and this caused the number of 
Unable to
> delete messages to increase.  This led me to suspect that the 
problem is OS
> related.
> 
> In all cases, the error appears to occur following the delete of 
the last
> file within a directory, and the attempt to delete the empty 
directory.
> When ANT terminates, the only thing left in the classes directory 
is empty
> sub-directories.
> 
> All of this leads me to suspect that the reference to the directory 
is
> actually held by ANT itself, and ANT needs to have a small delay 
between
> the delete of the last file, and the attempt to delete the empty 
folder.
> Or perhaps there is an system call that will flush the file system 
buffers
> prior to attempting the delete.
> 
> Config:
> Windows XP
> 512 MB memory
> 
> 
> ------- Ant diagnostics report -------
> Apache Ant version 1.5.3 compiled on April 16 2003
> 
> -------------------------------------------
>  Implementation Version (JDK1.2+ only)
> -------------------------------------------
> core tasks     : 1.5.3
> optional tasks : 1.5.3
> 
> -------------------------------------------
>  ANT_HOME/lib jar listing
> -------------------------------------------
> ant.home: C:\java\apache-ant-1.5.3-1
> ant.jar (737884 bytes)
> bcel.jar (491551 bytes)
> optional.jar (671546 bytes)
> xercesImpl.jar (885250 bytes)
> xml-apis.jar (108484 bytes)
> 
> -------------------------------------------
>  Tasks availability
> -------------------------------------------
> stlist : Missing dependency com.starbase.starteam.Item
> telnet : Missing dependency com.oroinc.net.SocketClient
> ftp : Missing dependency com.oroinc.net.ftp.FTP
> jdepend : Missing dependency jdepend.xmlui.JDepend
> script : Missing dependency com.ibm.bsf.BSFException
> junit : Missing dependency junit.framework.TestListener
> stcheckin : Missing dependency com.starbase.starteam.Item
> stcheckout : Missing dependency com.starbase.starteam.Item
> 
> -------------------------------------------
>  org.apache.env.Which diagnostics
> -------------------------------------------
> Not available.
> Download it at http://xml.apache.org/commons/
> 
> -------------------------------------------
>  System properties
> -------------------------------------------
> java.runtime.name : Java(TM) 2 Runtime Environment, Standard Edition
> sun.boot.library.path : c:\java\j2sdk1.4.2\jre\bin
> java.vm.version : 1.4.2-b28
> java.vm.vendor : Sun Microsystems Inc.
> 
> -- build.xml extract --
> 
> <project name="jonas" default="install"  basedir=".">
> 
>   <target name="client"  >
>     <delete dir="classes" />
>     <mkdir dir="classes" />
>     <jar jarfile="lib/client.jar" update="true" basedir="classes">
>       <fileset dir="${jonas.root}/conf">
>         <include name="carol.properties"/>
>         <include name="jonathan.xml"/>
>         <include name="traceclient.properties"/>
>       </fileset>
> 
>       <manifest>
>       <attribute name="Main-Class" value
> ="org.objectweb.jonas.client.ClientContainer"/>
>       </manifest>
>     </jar>
> 
>     <delete dir="classes"  failonerror="false" 
includeEmptyDirs="true" />
>   </target>
> 
> 
> <target name="server" >
>     <jar jarfile="lib/jonas.jar" basedir="classes"/>
>     <delete dir="classes"  failonerror="false" 
includeEmptyDirs="true" />
>   </target>
> 
>   <target name="install"
>       description="build all"
>       depends="server,client">
>   </target>
> 
> </project>
> 
> 
> 
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