Hm, so it is: http://docs.oracle.com/javase/tutorial/deployment/jar/downman.html
I'm sure I've done this before though and thought is was this mechanism. It must be something custom. What's the Hadoop jar structure in question then? Is it something special like a WAR file? I confess I had never heard of this so thought this was about generic JAR stuff. Is the question about a lib dir in the Hadoop home dir? On Sep 10, 2014 11:34 PM, "Marcelo Vanzin" <van...@cloudera.com> wrote: > On Mon, Sep 8, 2014 at 11:15 PM, Sean Owen <so...@cloudera.com> wrote: > > This structure is not specific to Hadoop, but in theory works in any > > JAR file. You can put JARs in JARs and refer to them with Class-Path > > entries in META-INF/MANIFEST.MF. > > Funny that you mention that, since someone internally asked the same > question, and I spend some time looking at it. > > That's not actually how Class-Path works in the manifest. You can't > have jars inside other jars; the Class-Path items reference things in > the filesystem itself. So that solution doesn't work. > > It would be nice to add the feature Steve is talking about, though. > > -- > Marcelo >
