[https://api.zakaria.website/users/hi@zakaria.website/
93a7c86643fb0f320d86b8aea5e11a59@zakaria.website/34cdf46754fd29d0e3cb0b.png]
Oh I just realised it now. Thanks for it.

Zak

On 2025-03-26 08:26, Aki Tuomi wrote:
> Hi!
>
> This is a known bug, and fixed with https://github.com/dovecot/core/commit/
6540d557d2bb249be1e6b91602d47499261b8157.patch which will be on 2.4.1.
>
> Aki
>
>> On 25/03/2025 16:01 EET Zakaria via dovecot
dovecot.org> wrote:
>>
>>
>> Hi there,
>>
>> I'm reporting what I think is a bug.
>>
>> I just configured dovecot 2.4 with fts_solr plugin running on solr 9.8
>> release and it throws this panic and sigfaults one after another.
>>
>> Mar 24 11:58:48 server dovecot: indexer-worker(hi@zakaria.website):
>> Panic: settings_get() - event has no SETTINGS_EVENT_ROOT
>> Mar 24 11:58:48 server dovecot: indexer-worker(hi@zakaria.website):
>> Error: Raw backtrace: libdovecot.so.0(backtrace_append+0x39)
>> [0x7f2fe692e549] -> libdovecot.so.0(backtrace_get+0x22) [0x7f2fe692e682]
>> -> libdovecot.so.0(+0x13ccbc) [0x7f2fe693ccbc] ->
>> libdovecot.so.0(+0x13cd51) [0x7f2fe693cd51] -> libdovecot.so.0(+0x6bfff)
>> [0x7f2fe686bfff] -> libdovecot.so.0(+0x5ed08) [0x7f2fe685ed08] ->
>> libdovecot.so.0(+0xba555) [0x7f2fe68ba555] ->
>> libdovecot.so.0(settings_get+0x46) [0x7f2fe68bb576] ->
>> libdovecot.so.0(ssl_client_settings_get+0x66) [0x7f2fe69196e6] ->
>> libdovecot.so.0(http_client_init_ssl_ctx+0xa9) [0x7f2fe68d40a9] ->
>> libdovecot.so.0(http_client_host_submit_request+0x9d) [0x7f2fe68d37dd]
>> -> libdovecot.so.0(http_client_request_submit+0x34) [0x7f2fe68c70c4] ->
>> libdovecot.so.0(+0xc7cf0) [0x7f2fe68c7cf0] ->
>> libdovecot.so.0(http_client_request_send_payload+0x2e) [0x7f2fe68c7d3e]
>> -> lib21_fts_solr_plugin.so(solr_connection_post_more+0x39)
>> [0x7f2fe6e3af89] -> lib21_fts_solr_plugin.so(+0x4469) [0x7f2fe6e38469]
>> -> lib20_fts_plugin.so(fts_backend_update_build_more+0x4a)
>> [0x7f2fe6e5930a] -> lib20_fts_plugin.so(+0xa419) [0x7f2fe6e5a419] ->
>> lib20_fts_plugin.so(+0xae8a) [0x7f2fe6e5ae8a] ->
>> lib20_fts_plugin.so(fts_build_mail+0x57) [0x7f2fe6e5b827] ->
>> lib20_fts_plugin.so(+0x119e1) [0x7f2fe6e619e1] ->
>> libdovecot-storage.so.0(mail_precache+0x2c) [0x7f2fe6cd6b1c] ->
>> indexer-worker(+0x3b8a) [0x559c6212fb8a] -> indexer-worker(+0x44b5)
>> [0x559c621304b5] -> indexer-worker(+0x466b) [0x559c6213066b] ->
>> libdovecot.so.0(connection_input_default+0x199) [0x7f2fe6933439] ->
>> libdovecot.so.0(io_loop_call_io+0x67) [0x7f2fe69534d7] ->
>> libdovecot.so.0(io_loop_handler_run_internal+0x12a) [0x7f2fe6954c0a] ->
>> libdovecot.so.0(io_loop_handler_run+0x50) [0x7f2fe6953580] ->
>> libdovecot.so.0(io_loop_run+0x48) [0x7f2fe6953758]
>> Mar 24 11:58:48 server dovecot: indexer-worker(hi@zakaria.website):
>> Fatal: master: service(indexer-worker): child 28216 killed with signal 6
>> (core dumps disabled - https://dovecot.org/bugreport.html#coredumps)
>> Mar 24 11:59:13 server dovecot: decode2text: Error: cat: write error:
>> Broken pipe
>> Mar 24 11:59:13 server dovecot: decode2text: Error:
>> /usr/libexec/dovecot/decode2text.sh: line 59: 29469 Done find . -name
>> "$name" -print0
>> Mar 24 11:59:13 server dovecot: decode2text: Error: 29470 Done(123) |
>> xargs -0 cat
>> Mar 24 11:59:13 server dovecot: decode2text: Error: 29471 Segmentation
>> fault | $libexec_dir/xml2text
>> Mar 24 12:00:40 server dovecot: decode2text: Error:
>> /usr/libexec/dovecot/decode2text.sh: line 59: 32540 Done find . -name
>> "$name" -print0
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32541 | xargs -0 cat
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32542 Segmentation
>> fault | $libexec_dir/xml2text
>> Mar 24 12:00:40 server dovecot: decode2text: Error:
>> /usr/libexec/dovecot/decode2text.sh: line 59: 32555 Done find . -name
>> "$name" -print0
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32556 | xargs -0 cat
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32557 Segmentation
>> fault | $libexec_dir/xml2text
>> Mar 24 12:00:49 server dovecot: decode2text: Error: cat: write error:
>> Broken pipe
>> Mar 24 12:00:49 server dovecot: decode2text: Error:
>> /usr/libexec/dovecot/decode2text.sh: line 59: 32832 Done find . -name
>> "$name" -print0
>> Mar 24 12:00:49 server dovecot: decode2text: Error: 32833 Done(123) |
>> xargs -0 cat
>> Mar 24 12:00:49 server dovecot: decode2text: Error: 32834 Segmentation
>> fault | $libexec_dir/xml2text
>> Mar 24 12:00:52 server dovecot: imap-login: Login aborted: Connection
>> closed (disconnected during TLS handshake) (tls_handshake_not_finished):
>> user=, rip=20.65.195.124, lip=77.68.117.221, TLS handshaking: Connection
>> closed, session=
>> Mar 24 12:00:53 server dovecot: decode2text: Error: cat: write error:
>> Broken pipe
>> Mar 24 12:00:53 server dovecot: decode2text: Error:
>> /usr/libexec/dovecot/decode2text.sh: line 59: 32955 Done find . -name
>> "$name" -print0
>> Mar 24 12:00:53 server dovecot: decode2text: Error: 32956 Done(123) |
>> xargs -0 cat
>> Mar 24 12:00:53 server dovecot: decode2text: Error: 32957 Segmentation
>> fault | $libexec_dir/xml2text
>> Mar 24 12:00:57 server dovecot: decode2text: Error: cat: write error:
>> Broken pipe
>> Mar 24 12:00:57 server dovecot: decode2text: Error:
>> /usr/libexec/dovecot/decode2text.sh: line 59: 33039 Done find . -name
>> "$name" -print0
>> Mar 24 12:00:57 server dovecot: decode2text: Error: 33040 Done(123) |
>> xargs -0 cat
>> Mar 24 12:00:57 server dovecot: decode2text: Error: 33041 Segmentation
>> fault | $libexec_dir/xml2text
>>
>> These are my relevant fts configuration:-
>>
>> mail_plugins = mail_compress fts fts_solr
>> fts_autoindex = yes
>> fts solr {
>> url = SOLR_URL
>> batch_size = 1000
>> }
>> fts_decoder_driver = script
>> fts_decoder_script_socket_path = decode2text
>> service indexer-worker {
>> vsz_limit = 4G
>> }
>> service decode2text {
>> executable = script /usr/libexec/dovecot/decode2text.sh
>> user = dovecot
>> unix_listener decode2text {
>> mode = 0666
>> }
>> }
>> language "en" {
>> default = yes
>> }
>>
>> I think anyone can reproduce the panic using following commands while
>> targeting a mailbox which contains as many emails as possible maybe 20K.
>>
>> Commit and optimise dovecot core.
>> /opt/solr-9.8.1/bin/solr api --solr-url
>> "..../solr/dovecot/update?commit=true"
>> /opt/solr-9.8.1/bin/solr api --solr-url
>> "..../solr/dovecot/update?optimize=true"
>>
>> Rescan and index the mailbox.
>> doveadm fts rescan -u hi@zakaria.website
>> doveadm index -u hi@zakaria.website -q "*"
>>
>> I tested this on dovecot released solrconfig.xml for solr 9.
>>
>> Note, current solr 9 has breaking changes to the config, I rectified
>> using the following, please refer to
>> https://solr.apache.org/guide/solr/latest/upgrade-notes/major-changes-in-
solr-9.html.
>>
>> Appending n solr deployment configuration following two lines:-
>> SOLR_OPTS="$SOLR_OPTS -Dsolr.config.lib.enabled=true"
>> SOLR_MODULES=extraction,ltr,analysis-extras
>>
>> Also, additional note there are some other minor log warning, but
>> weren't problematic.
>>
>> With thanks.
>>
>> Zak.[https://api.zakaria.website/users/hi@zakaria.website/
>> f6ebf9ed031e93b5ed35f78ceb338278@zakaria.website/30db6adddb640dbc14bfad.png]
>> Hi there,
>>
>> I'm reporting what I think is a bug.
>>
>> I just configured dovecot 2.4 with fts_solr plugin running on solr 9.8
release
>> and it throws this panic and sigfaults one after another.
>>
>> Mar 24 11:58:48 server dovecot: indexer-worker(hi@zakaria.website)<28216>:
>> Panic: settings_get() - event has no SETTINGS_EVENT_ROOT
>> Mar 24 11:58:48 server dovecot: indexer-worker(hi@zakaria.website)<28216>:
>> Error: Raw backtrace: libdovecot.so.0(backtrace_append+0x39)
[0x7f2fe692e549] -
>> > libdovecot.so.0(backtrace_get+0x22) [0x7f2fe692e682] -> libdovecot.so.0
>> (+0x13ccbc) [0x7f2fe693ccbc] -> libdovecot.so.0(+0x13cd51) [0x7f2fe693cd51]
-
>> > libdovecot.so.0(+0x6bfff) [0x7f2fe686bfff] -> libdovecot.so.0(+0x5ed08)
>> [0x7f2fe685ed08] -> libdovecot.so.0(+0xba555) [0x7f2fe68ba555] -
>> > libdovecot.so.0(settings_get+0x46) [0x7f2fe68bb576] -> libdovecot.so.0
>> (ssl_client_settings_get+0x66) [0x7f2fe69196e6] -> libdovecot.so.0
>> (http_client_init_ssl_ctx+0xa9) [0x7f2fe68d40a9] -> libdovecot.so.0
>> (http_client_host_submit_request+0x9d) [0x7f2fe68d37dd] -> libdovecot.so.0
>> (http_client_request_submit+0x34) [0x7f2fe68c70c4] -> libdovecot.so.0
(+0xc7cf0)
>> [0x7f2fe68c7cf0] -> libdovecot.so.0(http_client_request_send_payload+0x2e)
>> [0x7f2fe68c7d3e] -> lib21_fts_solr_plugin.so(solr_connection_post_more+0x39)
>> [0x7f2fe6e3af89] -> lib21_fts_solr_plugin.so(+0x4469) [0x7f2fe6e38469] -
>> > lib20_fts_plugin.so(fts_backend_update_build_more+0x4a) [0x7f2fe6e5930a] -
>> > lib20_fts_plugin.so(+0xa419) [0x7f2fe6e5a419] -> lib20_fts_plugin.so
(+0xae8a)
>> [0x7f2fe6e5ae8a] -> lib20_fts_plugin.so(fts_build_mail+0x57)
[0x7f2fe6e5b827] -
>> > lib20_fts_plugin.so(+0x119e1) [0x7f2fe6e619e1] -> libdovecot-storage.so.0
>> (mail_precache+0x2c) [0x7f2fe6cd6b1c] -> indexer-worker(+0x3b8a)
>> [0x559c6212fb8a] -> indexer-worker(+0x44b5) [0x559c621304b5] -> indexer-
worker
>> (+0x466b) [0x559c6213066b] -> libdovecot.so.0
(connection_input_default+0x199)
>> [0x7f2fe6933439] -> libdovecot.so.0(io_loop_call_io+0x67) [0x7f2fe69534d7] -
>> > libdovecot.so.0(io_loop_handler_run_internal+0x12a) [0x7f2fe6954c0a] -
>> > libdovecot.so.0(io_loop_handler_run+0x50) [0x7f2fe6953580] -
> libdovecot.so.0
>> (io_loop_run+0x48) [0x7f2fe6953758]
>> Mar 24 11:58:48 server dovecot: indexer-worker(hi@zakaria.website)<28216>:
>> Fatal: master: service(indexer-worker): child 28216 killed with signal 6
(core
>> dumps disabled - https://dovecot.org/bugreport.html#coredumps)
>> Mar 24 11:59:13 server dovecot: decode2text: Error: cat: write error: Broken
>> pipe
>> Mar 24 11:59:13 server dovecot: decode2text: Error: /usr/libexec/dovecot/
>> decode2text.sh: line 59: 29469 Done find . -name "$name" -print0
>> Mar 24 11:59:13 server dovecot: decode2text: Error: 29470 Done(123) | xargs
-
>> 0 cat
>> Mar 24 11:59:13 server dovecot: decode2text: Error: 29471 Segmentation fault
|
>> $libexec_dir/xml2text
>> Mar 24 12:00:40 server dovecot: decode2text: Error: /usr/libexec/dovecot/
>> decode2text.sh: line 59: 32540 Done find . -name "$name" -print0
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32541 | xargs -0 cat
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32542 Segmentation fault
|
>> $libexec_dir/xml2text
>> Mar 24 12:00:40 server dovecot: decode2text: Error: /usr/libexec/dovecot/
>> decode2text.sh: line 59: 32555 Done find . -name "$name" -print0
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32556 | xargs -0 cat
>> Mar 24 12:00:40 server dovecot: decode2text: Error: 32557 Segmentation fault
|
>> $libexec_dir/xml2text
>> Mar 24 12:00:49 server dovecot: decode2text: Error: cat: write error: Broken
>> pipe
>> Mar 24 12:00:49 server dovecot: decode2text: Error: /usr/libexec/dovecot/
>> decode2text.sh: line 59: 32832 Done find . -name "$name" -print0
>> Mar 24 12:00:49 server dovecot: decode2text: Error: 32833 Done(123) | xargs
-
>> 0 cat
>> Mar 24 12:00:49 server dovecot: decode2text: Error: 32834 Segmentation fault
|
>> $libexec_dir/xml2text
>> Mar 24 12:00:52 server dovecot: imap-login: Login aborted: Connection closed
>> (disconnected during TLS handshake) (tls_handshake_not_finished): user=<>,
>> rip=20.65.195.124, lip=77.68.117.221, TLS handshaking: Connection closed,
>> session=
>> Mar 24 12:00:53 server dovecot: decode2text: Error: cat: write error: Broken
>> pipe
>> Mar 24 12:00:53 server dovecot: decode2text: Error: /usr/libexec/dovecot/
>> decode2text.sh: line 59: 32955 Done find . -name "$name" -print0
>> Mar 24 12:00:53 server dovecot: decode2text: Error: 32956 Done(123) | xargs
-
>> 0 cat
>> Mar 24 12:00:53 server dovecot: decode2text: Error: 32957 Segmentation fault
|
>> $libexec_dir/xml2text
>> Mar 24 12:00:57 server dovecot: decode2text: Error: cat: write error: Broken
>> pipe
>> Mar 24 12:00:57 server dovecot: decode2text: Error: /usr/libexec/dovecot/
>> decode2text.sh: line 59: 33039 Done find . -name "$name" -print0
>> Mar 24 12:00:57 server dovecot: decode2text: Error: 33040 Done(123) | xargs
-
>> 0 cat
>> Mar 24 12:00:57 server dovecot: decode2text: Error: 33041 Segmentation fault
|
>> $libexec_dir/xml2text
>>
>> These are my relevant fts configuration:-
>>
>> mail_plugins = mail_compress fts fts_solr
>> fts_autoindex = yes
>> fts solr {
>> url = SOLR_URL
>> batch_size = 1000
>> }
>> fts_decoder_driver = script
>> fts_decoder_script_socket_path = decode2text
>> service indexer-worker {
>> vsz_limit = 4G
>> }
>> service decode2text {
>> executable = script /usr/libexec/dovecot/decode2text.sh
>> user = dovecot
>> unix_listener decode2text {
>> mode = 0666
>> }
>> }
>> language "en" {
>> default = yes
>> }
>>
>> I think anyone can reproduce the panic using following commands while
targeting
>> a mailbox which contains as many emails as possible maybe 20K.
>>
>> Commit and optimise dovecot core.
>> /opt/solr-9.8.1/bin/solr api --solr-url "..../solr/dovecot/
update?commit=true"
>> /opt/solr-9.8.1/bin/solr api --solr-url "..../solr/dovecot/
>> update?optimize=true"
>>
>> Rescan and index the mailbox.
>> doveadm fts rescan -u hi@zakaria.website
>> doveadm index -u hi@zakaria.website -q "*"
>>
>> I tested this on dovecot released solrconfig.xml for solr 9.
>>
>> Note, current solr 9 has breaking changes to the config, I rectified using
the
>> following, please refer to https://solr.apache.org/guide/solr/latest/
upgrade-
>> notes/major-changes-in-solr-9.html.
>>
>> Appending n solr deployment configuration following two lines:-
>> SOLR_OPTS="$SOLR_OPTS -Dsolr.config.lib.enabled=true"
>> SOLR_MODULES=extraction,ltr,analysis-extras
>>
>> Also, additional note there are some other minor log warning, but weren't
>> problematic.
>>
>> With thanks.
>>
>> Zak.
>> _______________________________________________
>> dovecot mailing list -- dovecot@dovecot.org
>> To unsubscribe send an email to dovecot-le...@dovecot.org
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