I got the following output message when I try to search the iTRAQ data. There is no more message I could trace the cause. I here attach my setting.xml for your investigation.
Using output fileformat .mzid
Using output folder '../RAW/mgf'
Reading settings file...
Settings file successfully read.
Perform Search
Input files contain 446604 ms2 spectra
Searching file 'Orbi - 091229_A549_8plex_IPG100_45min_fr_62.mgf'...
Searching spectra 1 - 4000 of 446604 spectra
Starting search against fwd database...
Search against fwd database finished.
Starting search against decoy database...
Search against decoy database finished.
Search failed.