On Sat, Feb 4, 2012 at 4:56 AM, Martin Grigorov <[email protected]>wrote:
> On Fri, Feb 3, 2012 at 5:53 AM, abhisheks <[email protected]> wrote: > > i am developing a web application using apache wickets. I need to call a > > shell script residing on my local disk from java code. > > > > this is the section of code under concern : > > > > ProcessBuilder builder = new > > > ProcessBuilder("sh","/media/drive_/MtechDocuments/ProgramingNOTES/RunShellfromJAVA/test.sh"); > > builder.redirectErrorStream(true); > > final Process process = > builder.start(); > > } > > process.waitFor(); > > > > ------ > > > > This is piece of code successfully runs fine and execute a shell when > this > > code is a part of java prgram residing anywhere on my laal disk. However, > > when i make a jar file of a progeam , put in webapps folder , and start > the > > web application , it reports permission denied error on test.sh script. > > > > I then modify the line as : > > > > ProcessBuilder builder = new ProcessBuilder("sudo", "-A", > > > "sh","/media/drive_/MtechDocuments/ProgramingNOTES/RunShellfromJAVA/test.sh"); > > and set the SUDO_ASKPASS env variable to script returning my sudo > password , > > then it reports the following error : > > sudo: 3 incorrect password attempts and script calling is failed. Again > this > > works correctly when i run the program outside the web development > > environment , it is able to read my sudo password correctly at run time > with > > -A option. Why is it failing when running the same program from web > > application ? please help !! > > Maybe your web server runs with a user which has no permissions to > become different user (via sudo). > When you run it as a normal Java program you run it with your user > which has this permission. > > In any case it has nothing to do with Wicket. > And if your webapp *is* running as a user with sudo access you're just asking for trouble. -- Jeremy Thomerson http://wickettraining.com *Need a CMS for Wicket? Use Brix! http://brixcms.org*
