samba - Mar 2008 - Samba Share Mounts with Java

Hello,

      I am developing a Java application that requires me to read from and write
to a samba share. When developing in a windows environment this was not a
problem. I mounted the share as "M:/", built a path to a file, checked
if the file exists using the Java function file.exists(), and went on my merry
way. Now I am developing in a Linux environment(SuSE 10). I mount the samba
share to a folder and when I build the path it will find and display the image,
however the check in Java(file.exists()) does not function properly. I ALWAYS
get a return value of false. Any help with this issue would be appreciated.
Thanks!!!

                               Joe

On Thu, 2008-03-27 at 08:05 -0600, josgreen@idoc.idaho.gov
wrote:
> Hello,
> 
>       I am developing a Java application that requires me to read from
>  and write to a samba share. When developing in a windows environment
>  this was not a problem. I mounted the share as "M:/", built a
path to
>  a file, checked if the file exists using the Java function
>  file.exists(), and went on my merry way. Now I am developing in a
>  Linux environment(SuSE 10). I mount the samba share to a folder and
>  when I build the path it will find and display the image, however the
>  check in Java(file.exists()) does not function properly. I ALWAYS get
>  a return value of false. Any help with this issue would be
>  appreciated. Thanks!!!
please show the contents of file.getAbsolutePath() resp.
file.getRelativePath() and how you mounted the share (mount options).

What I could think of are two things:

1. upper/lowercasing problem
-------
eg. when you told samba to ignore the case, but (maybe) Java doesn't
handle it correctly when using file.exists()

2. wrong path separators
?-------
What kind of path separators do you use (backslash vs. forwardslash)?

-- 
?Udo Rader

bestsolution.at EDV Systemhaus GmbH
http://www.bestsolution.at

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On Thu, 2008-03-27 at 12:66 -0600, josgreen@idoc.idaho.gov
wrote:
> 
> >>> Udo Rader <udo.rader@bestsolution.at> 03/27/08 8:37 AM
>>>
> On Thu, 2008-03-27 at 08:05 -0600, josgreen@idoc.idaho.gov wrote:
> > Hello,
> > 
> >       I am developing a Java application that requires me to read
> from
> >  and write to a samba share. When developing in a windows
> environment
> >  this was not a problem. I mounted the share as "M:/", built
a path
> to
> >  a file, checked if the file exists using the Java function
> >  file.exists(), and went on my merry way. Now I am developing in a
> >  Linux environment(SuSE 10). I mount the samba share to a folder and
> >  when I build the path it will find and display the image, however
> the
> >  check in Java(file.exists()) does not function properly. I ALWAYS
> get
> >  a return value of false. Any help with this issue would be
> >  appreciated. Thanks!!!
> Udo,
> 
> Thanks for taking a look at my issue. I used the following command to
> mount the share...
> 
> mount -t smbfs -o username=mediauser,password-med08cis
> //132.32.43.11/media
> /home/josgreen/tools/jakarto-tomcat-5.0.19/webapps/associate/media
> 
> file.getAbsolutePath - /media/associate/9782/facial/9782_f.jpg
> file.getPath - /media/associate/9782/facial/9782_f.jpg
> 
> As just another FYI I should also mention that I am running tomcat as
> my application server. Thanks again!
Hmm, your samba mount is in 

/home/josgreen/tools/jakarto-tomcat-5.0.19/webapps/associate/media

but the file you are looking for is in 

/media/associate/9782/facial/9782_f.jpg

so that cannot work at all.

Either mount your samba share like this

% mount -t smbfs -o username=mediauser,password-med08cis
//132.32.43.11/media /media

or correct the path of your file object

or maybe symlink the directory like this:

% ln
-s /home/josgreen/tools/jakarto-tomcat-5.0.19/webapps/associate/media /media

This is by no means a samba problem :-)

Please update your samba password now, because everybody on this list
knows it now :-)

-- 
Udo Rader

bestsolution.at EDV Systemhaus GmbH
http://www.bestsolution.at
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