in_winevtlog: Notify error code when a subscription is entered an inv…

…alid status Signed-off-by: Hiroshi Hatake <[email protected]>
fluent · Mar 14, 2024 · acc1805 · acc1805
1 parent f81b738
commit acc1805
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/plugins/in_winevtlog/winevtlog.c b/plugins/in_winevtlog/winevtlog.c
@@ -506,7 +506,7 @@ static int winevtlog_next(struct winevtlog_channel *ch, int hit_threshold)
 
     wait = WaitForSingleObject(ch->signal_event, 0);
     if (wait == WAIT_FAILED) {
-        flb_error("subscription is invalid");
+        flb_error("subscription is invalid. err code = %d", GetLastError());
         return FLB_FALSE;
     }
     else if (wait != WAIT_OBJECT_0) {