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* httpd GzipFilter::zflush error, anyone else seen this?
@ 2022-08-02  6:54 Eric Wong
  0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2022-08-02  6:54 UTC (permalink / raw)
  To: meta

I'm getting this from inside the PublicInbox::GzipFilter::zflush error:
forward ->close error: Can't call method "flush" on an undefined value at ../PublicInbox/

I'm not concerned for the error itself, really; it's that I'm
more surprised I haven't seen it in the past.

A backtrace confirms it's triggered by a DS->write failure,
which is common for network servers facing the Internet.

Of course, I haven't paid much attention to syslog in ages and
don't store logs for long; so I just noticed it a few times
since I've started running -netd (and moving away from separate

Anyways, I think the following should quiet the error message:

diff --git a/lib/PublicInbox/ b/lib/PublicInbox/
index e37f1f76..6a25fb8d 100644
--- a/lib/PublicInbox/
+++ b/lib/PublicInbox/
@@ -153,6 +153,7 @@ sub zflush ($;$) {
 		$err = $gz->deflate($_[1], $zbuf);
 		die "gzip->deflate: $err" if $err != Z_OK;
+	$gz // return; # recursing on DS->write failure
 	$err = $gz->flush($zbuf);
 	die "gzip->flush: $err" if $err != Z_OK;

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2022-08-02  6:54 httpd GzipFilter::zflush error, anyone else seen this? Eric Wong

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