Indexer error after upgrade to 2.3.11.3

[Patrik Peng]

On 19.08.20 17:37, Josef 'Jeff' Sipek wrote:

> On Wed, Aug 19, 2020 at 17:03:57 +0200, Alessio Cecchi wrote:
>> Hi,
>>
>> after the upgrade to Dovecot 2.3.11.3, from 2.3.10.1, I see frequently
>> these errors from different users:
> It looks like this has been around for a while and you just got unlucky and
> started seeing this now.  Here's a quick & dirty patch that should fix this.
> If you can try it, let us know how it went.
>
> Jeff.
>
>
> diff --git a/src/plugins/fts-solr/solr-connection.c b/src/plugins/fts-solr/solr-connection.c
> index ae720b5e2870a852c1b6c440939e3c7c0fa72b5c..9d364f93e2cd1b716b9ab61bd39656a6c5b1ea04 100644
> --- a/src/plugins/fts-solr/solr-connection.c
> +++ b/src/plugins/fts-solr/solr-connection.c
> @@ -103,7 +103,7 @@ int solr_connection_init(const struct fts_solr_settings *solr_set,
>   		http_set.ssl = ssl_client_set;
>   		http_set.debug = solr_set->debug;
>   		http_set.rawlog_dir = solr_set->rawlog_dir;
> -		solr_http_client = http_client_init(&http_set);
> +		solr_http_client = http_client_init_private(&http_set);
>   	}
>
>   	*conn_r = conn;
> diff --git a/src/plugins/fts/fts-parser-tika.c b/src/plugins/fts/fts-parser-tika.c
> index a4b8b5c3034f57e22e77caa759c090da6b62f8ba..b8b57a350b9a710d101ac7ccbcc14560d415d905 100644
> --- a/src/plugins/fts/fts-parser-tika.c
> +++ b/src/plugins/fts/fts-parser-tika.c
> @@ -77,7 +77,7 @@ tika_get_http_client_url(struct mail_user *user, struct http_url **http_url_r)
>   		http_set.request_timeout_msecs = 60*1000;
>   		http_set.ssl = &ssl_set;
>   		http_set.debug = user->mail_debug;
> -		tika_http_client = http_client_init(&http_set);
> +		tika_http_client = http_client_init_private(&http_set);
>   	}
>   	*http_url_r = tuser->http_url;
>   	return 0;
>
Greetings

I'm also experiencing these issues while running Dovecot 2.3.11.3 with 
Solr 8.6.3 on FreeBSD 11.4. As mentioned in a previous mail, the above 
patch is already applied to Dovecot's FreeBSD Port, confirmed by the 
patches being present in the portstree 
(https://svnweb.freebsd.org/ports/branches/2020Q3/mail/dovecot/files/).

In a FreeBSD VM with the official image 
(https://download.freebsd.org/ftp/releases/VM-IMAGES/12.1-RELEASE/amd64/Latest/) 
I compiled dovecot from git and was able to reproduce the error with the 
patch mentioned above applied and also without any patches at all. From 
these results i conclude, that neither the patches applied in FreeBSDs 
portstree or the patch above have any influence.

I also managed to reproduce the same results on a Debian 10 machine 
(also with and without the patch):

doveadm(some.user at example.com): Panic: file http-client-request.c: line 1232 (http_client_request_send_more): assertion failed: (req->payload_input != NULL)
doveadm(some.user at example.com): Error: Raw backtrace: /usr/local/lib/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f093f7fc3c2]
-> /usr/local/lib/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f093f7fc4ce] -> /usr/local/lib/dovecot/libdovecot.so.0(+0xea341) [0x7f093f807341]
-> /usr/local/lib/dovecot/libdovecot.so.0(+0xea381) [0x7f093f807381] -> /usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f093f75c074]
-> /usr/local/lib/dovecot/libdovecot.so.0(http_client_request_send_more+0x378) [0x7f093f7a47a8]
-> /usr/local/lib/dovecot/libdovecot.so.0(http_client_connection_output+0xe4) [0x7f093f7a90f4]
-> /usr/local/lib/dovecot/libssl_iostream_openssl.so(+0x8bff) [0x7f093ec71bff]
-> /usr/local/lib/dovecot/libdovecot.so.0(+0x1148b0) [0x7f093f8318b0]
-> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f093f820259]
-> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x11b) [0x7f093f821b6b]
-> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x59) [0x7f093f820369]
-> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f093f820598]
-> /usr/local/lib/dovecot/libdovecot.so.0(+0x86d1e) [0x7f093f7a3d1e]
-> /usr/local/lib/dovecot/libdovecot.so.0(http_client_request_finish_payload+0x2e) [0x7f093f7a407e]
-> /usr/local/lib/dovecot/lib21_fts_solr_plugin.so(solr_connection_post_end+0x32) [0x7f093b8492c2]
-> /usr/local/lib/dovecot/lib21_fts_solr_plugin.so(+0x3a45) [0x7f093b844a45]
-> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0x94cc) [0x7f093e1104cc]
-> /usr/local/lib/dovecot/lib20_fts_plugin.so(fts_backend_update_deinit+0x23) [0x7f093e110503]
-> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0x10a9b) [0x7f093e117a9b]
-> /usr/local/lib/dovecot/lib20_fts_plugin.so(+0x119ca) [0x7f093e1189ca]
-> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit_get_changes+0x56) [0x7f093fb16076]
-> /usr/local/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit+0x1e) [0x7f093fb1615e]
-> doveadm(+0x31370) [0x5607cfa1f370] -> doveadm(+0x2b2a8) [0x5607cfa192a8]
-> doveadm(+0x2bfb2) [0x5607cfa19fb2] -> doveadm(doveadm_cmd_ver2_to_mail_cmd_wrapper+0x215) [0x5607cfa1ae05]
-> doveadm(doveadm_cmd_run_ver2+0x57c) [0x5607cfa2bbec] -> doveadm(doveadm_cmd_try_run_ver2+0x37) [0x5607cfa2bc37]
-> doveadm(main+0x1d2) [0x5607cfa09492]
Aborted

During my tests I also did notice, that the error appears more often 
depending of mail size and amount of mails in a folder:

Tested with: doveadm -v fts rescan -u some.user at example.com && doveadm -v index -u some.user at example.com '*'

1 Mail in INBOX with 9KB -> Error appeared 0 out of 20 times
1 Mail in INBOX with 136KB -> Error appeared 17 out of 20 times
3 Mails in INBOX with 408KB -> Error appeared 12 out of 20 times
20 Mails in INBOX with ~2MB -> Error appeared 0 out of 20 times

Maybe this info helps anyone.

Patrik

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