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-rw-r--r--src/backend/access/transam/xlog.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index c255691918d..b22e498f8b5 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -6616,7 +6616,12 @@ StartupXLOG(void)
if (reachedStopPoint) /* stopped because of stop request */
ereport(FATAL,
(errmsg("requested recovery stop point is before consistent recovery point")));
- else /* ran off end of WAL */
+ /* ran off end of WAL */
+ if (!XLogRecPtrIsInvalid(ControlFile->backupStartPoint))
+ ereport(FATAL,
+ (errmsg("WAL ends before end of online backup"),
+ errhint("Online backup started with pg_start_backup() must be ended with pg_stop_backup(), and all WAL up to that point must be available at recovery.")));
+ else
ereport(FATAL,
(errmsg("WAL ends before consistent recovery point")));
}