Log LDAP errors

server/ldap.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"io/ioutil"
+	"log"
 	"strings"
 
 	ldaputil "git.autistici.org/ai3/go-common/ldap"
@@ -240,6 +241,7 @@ func (b *ldapBackend) GetUser(ctx context.Context, spec *BackendSpec, name strin
 
 	result, err := b.pool.Search(ctx, serviceConfig.searchRequest(name))
 	if err != nil {
+		log.Printf("LDAP error: %v", err)
 		return nil, false
 	}
 	return serviceConfig.userFromResponse(name, result)