better error message

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1088620 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/proxy/mod_proxy_balancer.c b/modules/proxy/mod_proxy_balancer.c
index f59bd0b6b11b7bd036c89ce28acb686211b635d8..c85579aaad8caced910a734616425bd1e6a92087 100644 (file)
--- a/modules/proxy/mod_proxy_balancer.c
+++ b/modules/proxy/mod_proxy_balancer.c
@@ -706,7 +706,8 @@ static int balancer_post_config(apr_pool_t *pconf, apr_pool_t *plog,
     storage = ap_lookup_provider(AP_SLOTMEM_PROVIDER_GROUP, "shared", "0");
     if (!storage) {
         ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_EMERG, 0, s,
-                     "ap_lookup_provider %s failed", AP_SLOTMEM_PROVIDER_GROUP);
+                     "ap_lookup_provider %s failed: is mod_slotmem_shm loaded??",
+                     AP_SLOTMEM_PROVIDER_GROUP);
         return !OK;
     }