[Dovecot] fts_lucene crashing

[Joe Beaubien]

I found this in mail.err. Anyone ever experience this?

May 22 14:51:51 mba dovecot: imap(formulaire): Panic: file
lucene-wrapper.cc: line 196: unreached
May 22 14:51:51 mba dovecot: imap(formulaire): Error: Raw backtrace:
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(+0x4200a)
[0x7f7e0edfd00a] ->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(+0x4204e)
[0x7f7e0edfd04e] ->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(i_fatal+0)
[0x7f7e0edd43c0] ->
/opt/dovecot/lib/dovecot/lib21_fts_lucene_plugin.so(+0x850e)
[0x7f7e0d57a50e] ->
/opt/dovecot/lib/dovecot/lib21_fts_lucene_plugin.so(+0xa7be)
[0x7f7e0d57c7be] ->
/opt/dovecot/lib/dovecot/lib21_fts_lucene_plugin.so(+0xa952)
[0x7f7e0d57c952] ->
/opt/dovecot/lib/dovecot/lib21_fts_lucene_plugin.so(lucene_index_lookup+0x7b)
[0x7f7e0d57ce0b] ->
/opt/dovecot/lib/dovecot/lib21_fts_lucene_plugin.so(+0x73a7)
[0x7f7e0d5793a7] ->
/opt/dovecot/lib/dovecot/lib20_fts_plugin.so(fts_backend_lookup+0x63)
[0x7f7e0d98ece3] -> /opt/dovecot/lib/dovecot/lib20_fts_plugin.so(+0xa32d)
[0x7f7e0d99232d] ->
/opt/dovecot/lib/dovecot/lib20_fts_plugin.so(fts_search_lookup+0xa6)
[0x7f7e0d992a26] -> /opt/dovecot/lib/dovecot/lib20_fts_plugin.so(+0xba25)
[0x7f7e0d993a25] ->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot-storage.so.0(mailbox_search_next_nonblock+0x27)
[0x7f7e0f0c1957] -> dovecot/imap() [0x4158a7] -> dovecot/imap() [0x415c62]
->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(io_loop_handle_timeouts+0xc4)
[0x7f7e0ee09cd4] ->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x5b)
[0x7f7e0ee0ac2b] ->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(io_loop_run+0x28)
[0x7f7e0ee09998] ->
/opt/dovecot-2.1.6-lucene/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
[0x7f7e0edf6233] -> dovecot/imap(main+0x285) [0x4086e5] ->
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f7e0ea1f76d] ->
dovecot/imap() [0x40885d]
May 22 14:51:51 mba dovecot: imap(formulaire): Fatal: master:
service(imap): child 32761 killed with signal 6 (core dumped)


I get these errors very very often. When I look at lucene-wrapper.cc source
code I see the following 196:

        if (uni_utf8_to_ucs4(str, &dest_arr) < 0)
                i_unreached();


Any ideas?

-Joe