In addition to the above, try loading your module before using it as a handler. This will cause Apache to not even start if there are problems with it and thus catch your problem (with a better error message) earlier. 
  PerlModule pl::Hello

[download]
or in a startup.pl 
  use pl::Hello;

[download]

-- More people are killed every year by pigs than by sharks, which shows you how good we are at evaluating risk. -- Bruce Schneier

In reply to Re^2: Apache/mod_perl2 : "failed to resolve handler" by mpeters
in thread Apache/mod_perl2 : "failed to resolve handler" by jpeg

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