nginx/nginx · error

NGX_LOG_EMERG

NGX_LOG_EMERG

Error message

invalid zone name \"%V\"

What it means

Error "invalid zone name \"%V\"" thrown in nginx/nginx.

Source

Thrown at src/http/modules/ngx_http_upstream_zone_module.c:94

    NGX_MODULE_V1_PADDING
};


static char *
ngx_http_upstream_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
    ssize_t                         size;
    ngx_str_t                      *value;
    ngx_http_upstream_srv_conf_t   *uscf;
    ngx_http_upstream_main_conf_t  *umcf;

    uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module);
    umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module);

    value = cf->args->elts;

    if (!value[1].len) {
        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                           "invalid zone name \"%V\"", &value[1]);
        return NGX_CONF_ERROR;
    }

    if (cf->args->nelts == 3) {
        size = ngx_parse_size(&value[2]);

        if (size == NGX_ERROR) {
            ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                               "invalid zone size \"%V\"", &value[2]);
            return NGX_CONF_ERROR;
        }

        if (size < (ssize_t) (8 * ngx_pagesize)) {
            ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                               "zone \"%V\" is too small", &value[1]);
            return NGX_CONF_ERROR;
        }

View on GitHub (pinned to 3f6f7824d4)

When it happens

Trigger: Thrown at src/http/modules/ngx_http_upstream_zone_module.c:94 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of nginx/nginx@3f6f7824d4 (2026-08-22). Data as JSON: /api/errors/ca871fd82af31829. Report an issue: GitHub.