diff -r 4cfaa02055cd -r fd5765c5068c src/server/plugins/postgresql/resource.c
--- a/src/server/plugins/postgresql/resource.c	Sat Jan 22 19:13:40 2022 +0100
+++ b/src/server/plugins/postgresql/resource.c	Tue Jan 25 17:45:56 2022 +0100
@@ -51,10 +51,10 @@
     
     // test connection
     PGconn *test_connection = PQconnectdb(connection);
-    if(pg_check_connection(rpname, test_connection)) {
-        return NULL; // error, pg_check_connection does the logging
+    if(pg_check_connection(LOG_WARN, rpname, test_connection)) {
+        log_ereport(LOG_WARN, "Resource pool %s: Connection check failed", rpname);
     }
-    PQfinish(test_connection);
+    if(test_connection) PQfinish(test_connection);
     
     PgResourcePool *pg = pool_malloc(pool, sizeof(PgResourcePool));
     if(!pg) {
@@ -68,9 +68,9 @@
     
 }
 
-int pg_check_connection(const char *rpname, PGconn *connection) {
+int pg_check_connection(int loglevel, const char *rpname, PGconn *connection) {
     if(!connection) {
-        log_ereport(LOG_FAILURE, "Resource pool %s: Cannot create PQ connection", rpname);
+        log_ereport(loglevel, "Resource pool %s: Cannot create PQ connection", rpname);
         return 1;
     }
     if(PQstatus(connection) != CONNECTION_OK) {
@@ -82,7 +82,7 @@
                 errlen--;
             }
         }
-        log_ereport(LOG_FAILURE, "Resource pool %s: Failed to connect to database: %.*s", rpname, errlen, err);
+        log_ereport(loglevel, "Resource pool %s: Failed to connect to database: %.*s", rpname, errlen, err);
         PQfinish(connection);
         return 1;
     }
@@ -96,7 +96,7 @@
     
 void * pg_resourcepool_createresource(PgResourcePool *pg) {
     PGconn *connection = PQconnectdb(pg->connection);
-    if(pg_check_connection(pg->name, connection)) {
+    if(pg_check_connection(LOG_FAILURE, pg->name, connection)) {
         return NULL;
     }