--- modules/loggers/mod_log_config.c.logconfigtest	2006-07-11 22:38:44.000000000 -0500
+++ modules/loggers/mod_log_config.c	2009-02-19 08:38:41.000000000 -0600
@@ -1496,6 +1496,75 @@
 
     return OK;
 }
+static void log_configtest(apr_pool_t *p, server_rec *s)
+{
+    /* Iterate through all the virtual hosts
+    */
+    apr_status_t rc;
+    char *fname;
+    char *config_fname;
+    apr_file_t *logfile;
+    while (s) {
+        /* We check if we can at least open the error file.
+        */
+        if (s->defn_name) {
+            config_fname = s->defn_name;
+        } else {
+            config_fname = "main config file";
+        }
+        if (s->error_fname) {
+            fname = ap_server_root_relative(p, s->error_fname);
+            logfile = NULL;
+            if ((rc = apr_file_open(&logfile, fname, APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
+                            APR_OS_DEFAULT, p)) != APR_SUCCESS) {
+                ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
+                    "Could not open error log file %s for server defined in %s.",fname,config_fname);
+            } else {
+                apr_file_close(logfile);
+            }
+        }
+        /* We check if we can open the other files
+        */
+        multi_log_state *mls = ap_get_module_config(s->module_config, &log_config_module);
+        config_log_state *clsarray;
+        int i;
+
+        /*
+         * Log this transaction..
+         */
+        if (mls->config_logs->nelts) {
+            clsarray = (config_log_state *) mls->config_logs->elts;
+            for (i = 0; i < mls->config_logs->nelts; ++i) {
+                config_log_state *cls = &clsarray[i];
+                fname = ap_server_root_relative(p, cls->fname);
+                logfile = NULL;
+                if ((rc = apr_file_open(&logfile, fname, APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
+                                APR_OS_DEFAULT, p)) != APR_SUCCESS) {
+                    ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
+                        "Could not open log file %s for server defined in %s.",fname,config_fname);
+                } else {
+                    apr_file_close(logfile);
+                }
+            }
+        }
+        else if (mls->server_config_logs) {
+            clsarray = (config_log_state *) mls->server_config_logs->elts;
+            for (i = 0; i < mls->server_config_logs->nelts; ++i) {
+                config_log_state *cls = &clsarray[i];
+                fname = ap_server_root_relative(p, cls->fname);
+                logfile = NULL;
+                if ((rc = apr_file_open(&logfile, fname, APR_APPEND | APR_WRITE | APR_CREATE | APR_LARGEFILE,
+                                APR_OS_DEFAULT, p)) != APR_SUCCESS) {
+                    ap_log_error(APLOG_MARK, APLOG_STARTUP, rc, NULL,
+                        "Could not open log file %s for server defined in %s.",fname,config_fname);
+                } else {
+                    apr_file_close(logfile);
+                }
+            }
+        }
+        s = s->next;
+    }
+}
 
 static void register_hooks(apr_pool_t *p)
 {
@@ -1503,6 +1572,7 @@
     ap_hook_child_init(init_child,NULL,NULL,APR_HOOK_MIDDLE);
     ap_hook_open_logs(init_config_log,NULL,NULL,APR_HOOK_MIDDLE);
     ap_hook_log_transaction(multi_log_transaction,NULL,NULL,APR_HOOK_MIDDLE);
+    ap_hook_test_config(log_configtest,NULL,NULL,APR_HOOK_MIDDLE);
 
     /* Init log_hash before we register the optional function. It is
      * possible for the optional function, ap_register_log_handler,