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### Description

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### Troubleshooting

#### Reproduction

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#### Debugging Data

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``` (paste your debugging data here) ```

#### Log Messages

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#### SIP Traffic

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``` (paste your sip traffic here) ```

### Possible Solutions

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### Additional Information

* **Kamailio Version** - output of `kamailio -v`

``` (paste your output here) ```

* **Operating System**:

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``` (paste your output here) ``` Hello,

Scenario: step1: Helm install homer. homer goes well. step2: helm delete homer. step3: helm install homer. kamailio restarts twice, then kamailio goes well.

But Kamailio prints below log, why kamailio restarts and report the ERR logs?

Kamailio container detected MySQL is running & bootstrapped config file doesn't exist, may not connect to SMTP SERVER 0(19) INFO: <core> [core/sctp_core.c:75]: sctp_core_check_support(): SCTP API not enabled - if you want to use it, load sctp module 0(19) WARNING: <core> [core/socket_info.c:1314]: fix_hostname(): could not rev. resolve 0.0.0.0 config file ok, exiting... loading modules under config path: //usr/local/lib64/kamailio/modules/ Listening on udp: 0.0.0.0:9060 Aliases:

0(20) INFO: <core> [core/sctp_core.c:75]: sctp_core_check_support(): SCTP API not enabled - if you want to use it, load sctp module 0(20) WARNING: <core> [core/socket_info.c:1314]: fix_hostname(): could not rev. resolve 0.0.0.0 0(20) WARNING: <core> [core/socket_info.c:1314]: fix_hostname(): could not rev. resolve 0.0.0.0 0(20) INFO: <core> [core/tcp_main.c:4671]: init_tcp(): using epoll_lt as the io watch method (auto detected) loading modules under config path: //usr/local/lib64/kamailio/modules/ Listening on udp: 0.0.0.0:9060 tcp: 0.0.0.0:39060 Aliases:

0(20) INFO: sipcapture [sipcapture.c:459]: parse_table_names(): INFO: table name:sip_capture 0(20) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 0(20) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 0(20) INFO: <core> [core/udp_server.c:153]: probe_max_receive_buffer(): SO_RCVBUF is initially 212992 0(20) INFO: <core> [core/udp_server.c:203]: probe_max_receive_buffer(): SO_RCVBUF is finally 425984 4(24) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 4(24) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 3(23) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 4(24) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 3(23) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 2(22) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 2(22) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 2(22) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 2(22) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 2 rank: 2 desc: [udp receiver child=1 sock=0.0.0.0:9060]) 1(21) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 1(21) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 2(22) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 2, pid 22, "udp receiver child=1 sock=0.0.0.0:9060" 1(21) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 2(22) CRITICAL: <core> [main.c:1611]: main_loop(): Cannot fork 1(21) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 1 rank: 1 desc: [udp receiver child=0 sock=0.0.0.0:9060]) 1(21) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 1, pid 21, "udp receiver child=0 sock=0.0.0.0:9060" 1(21) CRITICAL: <core> [main.c:1611]: main_loop(): Cannot fork 4(24) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 4 rank: 4 desc: [udp receiver child=3 sock=0.0.0.0:9060]) 3(23) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 4(24) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 4, pid 24, "udp receiver child=3 sock=0.0.0.0:9060" 3(23) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 3 rank: 3 desc: [udp receiver child=2 sock=0.0.0.0:9060]) 7(27) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 7(27) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 5(25) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 7(27) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 7(27) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 7 rank: -1 desc: [timer]) 7(27) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 7, pid 27, "timer" 7(27) CRITICAL: <core> [main.c:1688]: main_loop(): cannot fork timer process 5(25) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 6(26) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 6(26) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 6(26) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 6(26) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 6 rank: -1 desc: [slow timer]) 6(26) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 6, pid 26, "slow timer" 6(26) CRITICAL: <core> [main.c:1672]: main_loop(): cannot fork "slow" timer process 5(25) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 5(25) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 5 rank: 5 desc: [udp receiver child=4 sock=0.0.0.0:9060]) 5(25) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 5, pid 25, "udp receiver child=4 sock=0.0.0.0:9060" 5(25) CRITICAL: <core> [main.c:1611]: main_loop(): Cannot fork 9(29) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 9(29) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 9(29) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 9(29) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 9 rank: -1 desc: [RTIMER EXEC child=0 timer=ta]) 8(28) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 9(29) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 9, pid 29, "RTIMER EXEC child=0 timer=ta" 9(29) ERROR: rtimer [rtimer_mod.c:171]: child_init(): failed to start timer routine as process 9(29) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module rtimer (//usr/local/lib64/kamailio/modules/rtimer.so) (idx: 9 rank: 0 desc: [RTIMER EXEC child=0 timer=ta]) 9(29) ERROR: <core> [main.c:1706]: main_loop(): error in init_child 8(28) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 8(28) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 8(28) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 8 rank: -1 desc: [secondary timer]) 8(28) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 8, pid 28, "secondary timer" 8(28) ERROR: <core> [core/timer_proc.c:418]: sr_wtimer_start(): wtimer starting failed 8(28) CRITICAL: <core> [main.c:1698]: main_loop(): Cannot start wtimer 3(23) ERROR: <core> [core/pt.c:340]: fork_process(): init_child failed for process 3, pid 23, "udp receiver child=2 sock=0.0.0.0:9060" 4(24) CRITICAL: <core> [main.c:1611]: main_loop(): Cannot fork 15(35) CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 6 15(35) CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 7 3(23) CRITICAL: <core> [main.c:1611]: main_loop(): Cannot fork 11(31) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 12(32) ERROR: db_mysql [km_my_con.c:129]: db_mysql_new_connection(): driver error: Lost connection to MySQL server at 'waiting for initial communication packet', system error: 110 "Connection timed out" 11(31) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool 0(20) ALERT: <core> [main.c:740]: handle_sigs(): child process 21 exited normally, status=255 0(20) ALERT: <core> [main.c:740]: handle_sigs(): child process 22 exited normally, status=255 12(32) ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool11(31) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 0(20) ALERT: <core> [main.c:740]: handle_sigs(): child process 26 exited normally, status=255 11(31) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 11 rank: 7 desc: [tcp receiver (generic) child=1]) 0(20) INFO: <core> [main.c:768]: handle_sigs(): terminating due to SIGCHLD 12(32) ERROR: sipcapture [sipcapture.c:1150]: child_init(): unable to connect to database [mysql://homer_user:homer_password@10.254.123.234:3306/homer_data] from capture_mode param. 11(31) ERROR: <core> [core/pt.c:477]: fork_tcp_process(): init_child failed for process 11, pid 31, "tcp receiver (generic) child=1" 12(32) ERROR: <core> [core/sr_module.c:925]: init_mod_child(): error while initializing module sipcapture (//usr/local/lib64/kamailio/modules/sipcapture.so) (idx: 12 rank: 8 desc: [tcp receiver (generic) child=2]) 4(24) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 8(28) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 13(33) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 3(23) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 7(27) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 15(35) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 14(34) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 10(30) INFO: <core> [main.c:823]: sig_usr(): signal 15 received 0(20) INFO: <core> [core/sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized