question: returns the error message of the job . concode_field_sep Process proc concode_elem_sep String filename concode_elem_sep JobStatus status concode_elem_sep Logger log concode_elem_sep ArrayList<String> procCommands concode_elem_sep String error concode_elem_sep String description concode_elem_sep ProcessBuilder procBuilder concode_elem_sep int id concode_elem_sep ServerProperties jobProperties concode_field_sep String getFilename concode_elem_sep void setError concode_elem_sep void setError concode_elem_sep void run concode_elem_sep void setDescription concode_elem_sep JobStatus getStatus concode_elem_sep void done concode_elem_sep String getDescription concode_elem_sep void setStatus concode_elem_sep void setFilename
target: String function ( ) { return error ; }