Rake task error

hi friend,
             If i am running the rake task in my rails 3 application
i am getting execution expired.How to resolve this error

You will have to give us a few more clues. Which OS are you using?
Which versions of Ruby and Rails? Does rake go away for a long time
before showing the error (how long)? Try adding the --trace option to
rake to see if you get any useful information. If that does not help
post the exact command you are entering and the *full* text of what