sqlmapproject/sqlmap · error · SqlmapGenericException

function 'preprocess(req)' in preprocess script '%s' had iss

Error message

function 'preprocess(req)' in preprocess script '%s' had issues in a test run ('%s'). You can find a template script at '%s'

What it means

Error "function 'preprocess(req)' in preprocess script '%s' had issues in a test run ('%s'). You can find a template script at '%s'" thrown in sqlmapproject/sqlmap.

Source

Thrown at lib/core/option.py:1052

                try:
                    function(_urllib.request.Request("http://localhost"))
                except Exception as ex:
                    tbMsg = traceback.format_exc()

                    if conf.debug:
                        dataToStdout(tbMsg)

                    handle, filename = tempfile.mkstemp(prefix=MKSTEMP_PREFIX.PREPROCESS, suffix=".py")
                    os.close(handle)

                    openFile(filename, "w+").write("#!/usr/bin/env\n\ndef preprocess(req):\n    pass\n")
                    openFile(os.path.join(os.path.dirname(filename), "__init__.py"), "w+").write("pass")

                    errMsg = "function 'preprocess(req)' "
                    errMsg += "in preprocess script '%s' " % script
                    errMsg += "had issues in a test run ('%s'). " % getSafeExString(ex)
                    errMsg += "You can find a template script at '%s'" % filename
                    raise SqlmapGenericException(errMsg)

def _setPostprocessFunctions():
    """
    Loads postprocess function(s) from given script(s)
    """

    if conf.postprocess:
        for script in re.split(PARAMETER_SPLITTING_REGEX, conf.postprocess):
            found = False
            function = None

            script = safeFilepathEncode(script.strip())

            try:
                if not script:
                    continue

                if not os.path.exists(script):

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at lib/core/option.py:1052 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sqlmapproject/sqlmap@0a35b20e39 (2026-08-26). Data as JSON: /api/errors/09747837e6185da2. Report an issue: GitHub.