IMAP server dying

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cartel
Posts: 54
Joined: Tue May 08, 2007 10:52 pm
Location: Auckland, New Zealand

IMAP server dying

Postby cartel » Tue Nov 20, 2007 4:43 pm

Hi all,

Im running 11.2 on Fedora and this is the second time the IMAP service has died in 2 weeks.

Below are the relevant entries in omlog, where else might I find IMAP logs that could help fix this bug?


WARNING IMAP Server Da(IMAP Server Pr) 11.21.07 04:57:04
[OM.DMON 2107] Maximum number of IMAP connections exceeded

ERROR IMAP Server Da(IMAP Server Pr) 11.21.07 09:21:25
[OM 24070] Debug message for Lab use :
imapSatServer: Connect to Core socket FAILED: Connection refused
Satellite aborting ...
User Name: REDACTED / scalix/CN=REDACTED

WARNING IMAP Server Da(IMAP Server Pr) 11.21.07 09:21:25
[OM.DMON 2115] Could not connect to socket.
User Name: REDACTED / scalix/CN=REDACTED
-> imapConnectToCore
-> imapFormSockName
<- imapFormSockName
-> imapCheckAndCreateCore
-> imapCreateCoreSocket
<- imapCreateCoreSocket
<- imapCheckAndCreateCore
-> imapSatServer
-> imap_getTweaks
-> imap_parseCapabilities
-> imaplex_setUnsyncLiterals
<- imaplex_setUnsyncLiterals
-> imaplex_setLogging
<- imaplex_setLogging
<- imap_getTweaks
<- /build/11.2.0/src/bin/imap41/imap41_coreSvr.c:1262[116,2115]

SERIOUS ERROR Administration(Scalix Admin C) 11.21.07 09:27:08
[OM 10270] Process about to terminate due to error.
Signal (Segmentation Violation) trapped by process 19784
Procedure trace follows:
-> dr_ACIModContextFlags
<- dr_ACIModContextFlags
<- ul_getBySXUID
<- sis_create
-> sis_create
-> ul_getBySXUID
<- ul_getBySXUID
<- sis_create
-> sis_connect
<- sis_connect
-> sis_reflist
-> sis_disconnect
<- sis_disconnect
<- sis_reflist
-> sis_free
-> sis_free


SERIOUS ERROR Administration(Scalix Admin C) 11.21.07 09:27:08
[OM 10272] BACKTRACE:
/opt/scalix/lib/libom_er.so(er_add_backtrace+0xb3)[0x465b03]
/opt/scalix/lib/libom_er.so[0x465df3]
/opt/scalix/lib/libom_er.so(er_DumpProcAndExit+0x1f)[0x465f7f]
/lib/libpthread.so.0[0xc87298]
/lib/libc.so.6[0x4db138]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0c8]
/lib/libc.so.6[0x4db0c8]
/lib/libc.so.6[0x4db0c8]
/lib/libc.so.6[0x4db0c8]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0c8]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6[0x4db0e3]
/lib/libc.so.6(qsort+0x85)[0x4db2b5]
/opt/scalix/bin/sxmkindex[0x804958c]
/opt/scalix/bin/sxmkindex[0x804a261]
/opt/scalix/bin/sxmkindex[0x804a306]
/opt/scalix/bin/sxmkindex[0x804aa7b]
/lib/libc.so.6(__libc_start_main+0xe0)[0x4c5f70]

stephan.klein
Posts: 68
Joined: Thu Feb 22, 2007 1:10 pm
Location: Germany

Postby stephan.klein » Tue Nov 20, 2007 7:50 pm

Hi,

try to put

Code: Select all

IMAP_CONNECTION_LIMIT=500


in general.cfg. and restart scalix.

Hope this fixes the 'Maximum number of IMAP connections exceeded'.

For more tuning have a look at http://www.scalix.com/wiki/index.php?ti ... stallation (section 'Tweak settings').

Regards
Stephan

cartel
Posts: 54
Joined: Tue May 08, 2007 10:52 pm
Location: Auckland, New Zealand

Postby cartel » Wed Nov 21, 2007 10:35 pm

But surely the IMAP_CONNECTION_LIMIT option wouldnt cause the server to crash if it went over the limit?


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