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http://issues.apache.org/bugzilla/show_bug.cgi?id=29699 ftp task erronously assumes FTPClient.listFiles() returns an array of length > 0 Summary: ftp task erronously assumes FTPClient.listFiles() returns an array of length > 0 Product: Ant Version: 1.6.1 Platform: All OS/Version: All Status: NEW Severity: Normal Priority: Other Component: Optional Tasks AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] Please see http://issues.apache.org/bugzilla/show_bug.cgi?id=29650 That bug was originally about a defect that had already been addressed in commons-net and so it was marked as a duplicate of another bug. However, in the process of discussion, a different issue was raised for which I am creating a separate bug. This ant script Ant script: <ftp action="list" server="${ftp.host}" userid="${ftp.login}" password="${ftp.password}" verbose="yes" listing="xsl/listing.txt" > <fileset> <include name="**/*"/> </fileset> </ftp> produces this output: BUILD FAILED java.lang.ArrayIndexOutOfBoundsException: 0 at org.apache.tools.ant.taskdefs.optional.net.FTP.listFile(FTP.java:1856 ) at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java :1345) at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java :1388) at org.apache.tools.ant.taskdefs.optional.net.FTP.execute(FTP.java:2016) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269) at org.apache.tools.ant.Task.perform(Task.java:364) at org.apache.tools.ant.Target.execute(Target.java:301) at org.apache.tools.ant.Target.performTasks(Target.java:328) at org.apache.tools.ant.Project.executeTarget(Project.java:1215) at org.apache.tools.ant.Project.executeTargets(Project.java:1063) at org.apache.tools.ant.Main.runBuild(Main.java:632) at org.apache.tools.ant.Main.startAnt(Main.java:183) at org.apache.tools.ant.launch.Launcher.run(Launcher.java:197) at org.apache.tools.ant.launch.Launcher.main(Launcher.java:56) Total time: 1 minute 16 seconds java.lang.ArrayIndexOutOfBoundsException: 0 at org.apache.tools.ant.taskdefs.optional.net.FTP.listFile(FTP.java:1856 ) at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java :1345) at org.apache.tools.ant.taskdefs.optional.net.FTP.transferFiles(FTP.java :1388) at org.apache.tools.ant.taskdefs.optional.net.FTP.execute(FTP.java:2016) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:269) at org.apache.tools.ant.Task.perform(Task.java:364) at org.apache.tools.ant.Target.execute(Target.java:301) at org.apache.tools.ant.Target.performTasks(Target.java:328) at org.apache.tools.ant.Project.executeTarget(Project.java:1215) at org.apache.tools.ant.Project.executeTargets(Project.java:1063) at org.apache.tools.ant.Main.runBuild(Main.java:632) at org.apache.tools.ant.Main.startAnt(Main.java:183) at org.apache.tools.ant.launch.Launcher.run(Launcher.java:197) at org.apache.tools.ant.launch.Launcher.main(Launcher.java:56) What I think is happening is that there are some empty directories to be found under the tree when **/* is the specified filelist. Since commons-net list files does not handle recursive listings, ant must be processing each directory found under the root of this tree separately. The Ant code FTPFile ftpfile = ftp.listFiles(resolveFile(filename))[0]; seems to be making an assumption that an array with a length of at least 1 will be returned, but in actuality it is quite possible for a 0-length array to be returned by listFiles(). --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
