Hi, Wayne; this has nothing to do with the JDK and everything to do with Plexus.
http://plexus.codehaus.org/plexus-components/plexus-io/xref/org/codehaus/plexus/components/io/attributes/PlexusIoResourceAttributeUtils.html#255 Best, Laird On Thu, Jan 13, 2011 at 1:51 PM, Wayne Fay <wayne...@gmail.com> wrote: > > [ERROR] Failed to execute goal > > org.apache.maven.plugins:maven-jar-plugin:2.3.1:jar (default-jar) on > > project svnkit: Error assembling JAR: Failed to read filesystem > > attributes for: /dkb3/sw-projekte/asf/svnkit/tags/1_3_3/pom.xml: Failed > > to retrieve numeric file attributes using: '/bin/sh -c ls -1nlad > > /dkb3/sw-projekte/asf/svnkit/tags/1_3_3/pom.xml': Error while executing > > process. Child creation error: no such file or directory -> [Help 1] > > [ERROR] > > [ERROR] To see the full stack trace of the errors, re-run Maven with the > > -e switch. > > [ERROR] Re-run Maven using the -X switch to enable full debug logging. > > [ERROR] > > Well, what does it look like when you run with -e or -X? Don't send > the full output back to the list -- post it at pastebin.org and send > us a link, unless you can chop it down to the bare minimum of info > yourself. > > > How can java catch file system attributes better? > > > > Why do we use a Unix shell command to create a child prozess > > (sub-process in openvms) by Java just to catch a file system attribute? > > You'd have to ask the JDK folks these questions. What JDK are you > using, and from what vendor? > > > But it seems that on my OpenVMS with default DCL command language, the > > maven version 3 under java and a JVM attempts to place a command which > > should create a child process just to execute a ls command used to > > retrieve a file attribute. > > Most likely the Java code written by the Maven team (or Java code > being used in Maven that is actually from plexus-utils or another > library) is simply leveraging standard Java file io routines which > happen to use the child process to execute ls etc. If there was a > better way to get this information, I'd expect it would have been > implemented, or perhaps OpenVMS is just not very well supported by the > Java platform? Maybe you could dig deep into the code (debug Maven, > plexus, and the jdk itself in Netbeans or something), find where this > child process thing is coming from, and offer up a patch to the > appropriate party? > > > I call it a style break, we should not do it from Java and not assume > > Unix or the like shells avail, > > or we are at risk that over time fewer system will support what maven > > attempts to do. > > This has very little to do with Maven, and is primarily the "fault" of > the JDK on OpenVMS. I would assume that a better approach to finding > the file attributes is available, but no one cares enough about > OpenVMS to implement it or pay for it? You are literally the only > person I've seen post questions on this list about OpenVMS (Nabble > archives reveal 1 other person has posted about it minimally) so it > seems to be a pretty low-use OS, at least as far as Maven is > concerned. > > Wayne > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@maven.apache.org > For additional commands, e-mail: users-h...@maven.apache.org > >
