java vs. procfs (was: consolekit/polkit problem)

Joe Marcus Clarke marcus at marcuscom.com
Fri Mar 28 14:48:15 PDT 2008


On Fri, 2008-03-28 at 14:36 -0700, Kevin Downey wrote:
> On Fri, Mar 28, 2008 at 2:20 PM, Joe Marcus Clarke <marcus at marcuscom.com> wrote:
> > On Fri, 2008-03-28 at 13:38 -0700, Kevin Downey wrote:
> >  > >  That said, I do see the JVM access /proc/curproc/file.  Right after
> >  > >  this, it tries to access /usr/local/jdk1.5.0/lib/i386/libjava.so which
> >  > >  fails.  But then right after that, it successfully
> >  > >  accesses /usr/local/jdk1.5.0/jre/lib/i386/libjava.so.  I'd be interested
> >  > >  to see what your ktrace -d -i looks like.
> >  > >
> >  > >
> >  > >
> >  > >  Joe
> >  > >
> >  > >  --
> >  > >  PGP Key : http://www.marcuscom.com/pgp.asc
> >  > >
> >  > http://www.thelastcitadel.com/lab/java-ktrace.txt
> >  > here is the last bit:
> >  >
> >  >
> >  >   7578 java     CALL  readlink(0x80515e5,0xbfbfdd68,0x400)
> >  >   7578 java     NAMI  "/proc/curproc/file"
> >  >   7578 java     RET   readlink 7
> >
> >  That's weird.  readlink() returns a 28-byte path for me
> >  (/usr/local/jdk1.5.0/bin/java).  When you run "java" what command is
> >  that actually running?  My "java" points to /usr/local/bin/java which is
> >  actually javawrapper.sh.  I suspect your "java" is either a link or an
> >  alias to something else which is causing the file symlink not to point
> >  to the fully-qualified path to the VM.
> >
> >  Joe
> >
> >  --
> >  PGP Key : http://www.marcuscom.com/pgp.asc
> >
> 
> % file /usr/local/bin/java
> /usr/local/bin/java: symbolic link to `/usr/local/bin/javavm'
> % file /usr/local/bin/javavm
> /usr/local/bin/javavm: Bourne shell script text executable
> % pkg_info -W /usr/local/bin/javavm
> /usr/local/bin/javavm was installed by package javavmwrapper-2.3

But what about "which java"?

Joe

> 
-- 
PGP Key : http://www.marcuscom.com/pgp.asc
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