#vulnerable code 
                                protected void reset() {
        useBetaVersions = getBoolean("wdm.useBetaVersions");
        mirrorLog = false;
        isForcingCache = false;
        isForcingDownload = false;
        listVersions = null;
        architecture = null;
        driverUrl = null;
        versionToDownload = null;
        version = null;
        proxyValue = null;
        binaryPath = null;
        proxyUser = null;
        proxyPass = null;
        ignoredVersions = null;
    } 
                            #location 12 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                protected void reset() {
        useBetaVersions = false;
        mirrorLog = false;
        isForcingCache = false;
        isForcingDownload = false;
        listVersions = null;
        architecture = null;
        driverUrl = null;
        version = null;
        proxyValue = null;
        proxyUser = null;
        proxyPass = null;
        ignoredVersions = null;
    }