On Fri, Feb 13, 2015 at 01:21:13PM -0500, Christopher Schultz wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Mark, > > On 2/13/15 1:02 PM, Mark H. Wood wrote: > > On Fri, Feb 13, 2015 at 11:46:37AM -0500, Christopher Schultz > > wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 > >> > >> Alexander, > >> > >> On 2/12/15 2:26 PM, Alexander Johnson wrote: > >>> It looks like that's true. It turns out this wasn't a > >>> permissions issue at all. For some reason copying the JAR > >>> files out of the directory and back into it caused them to be > >>> picked up (I read this in a suggestion somewhere). Reading the > >>> 'man' entry for cp I see that it doesn't preserve "Access > >>> Control Lists (ACLs) and Extended Attributes (EAs), including > >>> resource forks" unless the -p flag is set (this is on by > >>> default when using mv). My guess is that removing this "access > >>> control" information somehow made the files accessible to the > >>> tomcat7-maven-plugin. It seems a little sketchy that I don't > >>> really know the root cause of the problem, but I'm happy that > >>> it's now fixed. > >> > >> Aah, yes: the ACL. That's one of those super-fun *NIX-isms that > >> can ruin your day. > >> > >> $ ls -l > >> > >> - -rwxrwxrwx chris chris 100 a_file > >> > >> $ cat a_file > >> > >> cat: a_file: Permission denied > >> > >> *grumble* > >> > >> The best part is that 'ls' doesn't show you there is a problem, > >> at least not directly. Everyone always forgets about the other > >> commands. > > > > The 'ls' that comes as part of Gnu Coreutils will, when built that > > way, add a "+" to the mask to show that there is an ACL on the > > object. (But that's all it does -- I still have to remember to > > use 'getfacl' to see what the ACL actually *says*.) > > Yep. > > - From Alexander's previous message, it did not seem like 'ls' was > notifying him about the presence of the acl. I checked the > gnu-coreutils man pages and info pages, and neither mention ACLs. Can > you give me a reference for the "+" thing?
coreutils.info v8.21, section 10.1.2: "What information is listed". About 52% down the page: "[f]ollowing the file mode bits is a singe character that specifies whether an alternate access method such as an access control list applies to the file." You could just search for "alternate access method". -- Mark H. Wood Lead Technology Analyst University Library Indiana University - Purdue University Indianapolis 755 W. Michigan Street Indianapolis, IN 46202 317-274-0749 www.ulib.iupui.edu
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