sqlmapproject/sqlmap · error · SqlmapConnectionException

problem occurred while resolving a host name '%s' ('%s')

Error message

problem occurred while resolving a host name '%s' ('%s')

What it means

Error "problem occurred while resolving a host name '%s' ('%s')" thrown in sqlmapproject/sqlmap.

Source

Thrown at lib/controller/checks.py:1763

    return kb.nullConnection in getPublicTypeMembers(NULLCONNECTION, True)

def checkConnection(suppressOutput=False):
    threadData = getCurrentThreadData()

    if not re.search(r"\A\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\Z", conf.hostname):
        if not any((conf.proxy, conf.tor, conf.dummy, conf.offline)):
            try:
                debugMsg = "resolving hostname '%s'" % conf.hostname
                logger.debug(debugMsg)
                socket.getaddrinfo(conf.hostname, None)
            except socket.gaierror:
                errMsg = "host '%s' does not exist" % conf.hostname
                raise SqlmapConnectionException(errMsg)
            except socket.error as ex:
                errMsg = "problem occurred while "
                errMsg += "resolving a host name '%s' ('%s')" % (conf.hostname, getSafeExString(ex))
                raise SqlmapConnectionException(errMsg)
            except UnicodeError as ex:
                errMsg = "problem occurred while "
                errMsg += "handling a host name '%s' ('%s')" % (conf.hostname, getSafeExString(ex))
                raise SqlmapDataException(errMsg)

    if not suppressOutput and not conf.dummy and not conf.offline:
        infoMsg = "testing connection to the target URL"
        logger.info(infoMsg)

    try:
        kb.originalPageTime = time.time()
        page, headers, _ = Request.queryPage(content=True, noteResponseTime=False)

        rawResponse = "%s%s" % (listToStrValue(headers.headers if headers else ""), page)

        if conf.string:
            infoMsg = "testing if the provided string is within the "
            infoMsg += "target URL page content"

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at lib/controller/checks.py:1763 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/5de396eb674dc4f9. Report an issue: GitHub.