maxscale 6.1.2 killed by SystemD watchdog

MariaDB MaxScale  /var/log/maxscale/maxscale.log  Tue Sep 28 15:20:39 2021

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2021-09-28 15:20:39   notice : The systemd watchdog is Enabled. Internal timeout = 30s

2021-09-28 15:20:39   notice : Worker message queue size: 1MiB

2021-09-28 15:20:39   notice : The logging of info messages has been disabled.

2021-09-28 15:20:39   notice : Using up to 2.32GiB of memory for query classifier cache

2021-09-28 15:20:39   notice : syslog logging is enabled.

2021-09-28 15:20:39   notice : maxlog logging is enabled.

2021-09-28 15:20:39   notice : Host: 'ip-172-31-16-68' OS: Linux@5.11.0-1016-aws, #17~20.04.1-Ubuntu SMP Thu Aug 12 05:39:36 UTC 2021, x86_64 with 4 processor cores.

2021-09-28 15:20:39   notice : Total usable main memory: 15.5GiB.

2021-09-28 15:20:39   notice : MariaDB MaxScale 6.1.2 started (Commit: 1479685b53546a0758137c81b864539a80b13bbc)

2021-09-28 15:20:39   notice : MaxScale is running in process 110746

2021-09-28 15:20:39   notice : Configuration file: /etc/maxscale.cnf

2021-09-28 15:20:39   notice : Log directory: /var/log/maxscale

2021-09-28 15:20:39   notice : Data directory: /var/lib/maxscale

2021-09-28 15:20:39   notice : Module directory: /usr/lib/x86_64-linux-gnu/maxscale

2021-09-28 15:20:39   notice : Service cache: /var/cache/maxscale

2021-09-28 15:20:39   notice : Working directory: /var/log/maxscale

2021-09-28 15:20:39   notice : Module 'qc_sqlite' loaded from '/usr/lib/x86_64-linux-gnu/maxscale/libqc_sqlite.so'.

2021-09-28 15:20:39   notice : Query classification results are cached and reused. Memory used per thread: 595.02MiB

2021-09-28 15:20:39   notice : Using encrypted passwords. Encryption key read from '/var/lib/maxscale/.secrets'.

2021-09-28 15:20:39   notice : MaxScale started with 4 worker threads.

2021-09-28 15:20:39   notice : Loading /etc/maxscale.cnf.

2021-09-28 15:20:39   notice : /etc/maxscale.cnf.d does not exist, not reading.

2021-09-28 15:20:39   notice : Runtime configuration changes have been done to MaxScale. Loading persisted configuration files and applying them on top of the main configuration file. These changes can overri

de the values of the main configuration file: To revert them, remove all the files in '/var/lib/maxscale/maxscale.cnf.d'.

2021-09-28 15:20:39   notice : Loading /var/lib/maxscale/maxscale.cnf.d/MariaDB-Monitor.cnf.

2021-09-28 15:20:39   warning: Found static and runtime configurations for [MariaDB-Monitor], ignoring static configuration. Move the runtime changes into the static configuration file and remove the generate

d file in '/var/lib/maxscale/maxscale.cnf.d' to remove this warning.

2021-09-28 15:20:39   notice : Loading /var/lib/maxscale/maxscale.cnf.d/Write-Service.cnf.

2021-09-28 15:20:39   warning: Found static and runtime configurations for [Write-Service], ignoring static configuration. Move the runtime changes into the static configuration file and remove the generated file in '/var/lib/maxscale/maxscale.cnf.d' to remove this warning.

2021-09-28 15:20:39   notice : Loading /var/lib/maxscale/maxscale.cnf.d/Read-Write-Service.cnf.

2021-09-28 15:20:39   warning: Found static and runtime configurations for [Read-Write-Service], ignoring static configuration. Move the runtime changes into the static configuration file and remove the generated file in '/var/lib/maxscale/maxscale.cnf.d' to remove this warning.

2021-09-28 15:20:39   notice : Module 'readwritesplit' loaded from '/usr/lib/x86_64-linux-gnu/maxscale/libreadwritesplit.so'.

2021-09-28 15:20:39   notice : Module 'readconnroute' loaded from '/usr/lib/x86_64-linux-gnu/maxscale/libreadconnroute.so'.

2021-09-28 15:20:39   notice : Module 'mariadbmon' loaded from '/usr/lib/x86_64-linux-gnu/maxscale/libmariadbmon.so'.

2021-09-28 15:20:39   warning: The MaxScale GUI is enabled but encryption for the REST API is not enabled, the GUI will not be enabled. Configure `admin_ssl_key` and `admin_ssl_cert` to enable HTTPS or add `admin_secure_gui=false` to allow use of the GUI without encryption.

2021-09-28 15:20:39   notice : Started REST API on [127.0.0.1]:8989

 2021-09-28 15:20:39   notice : 'db-rep02' sent version string '10.5.9-6-MariaDB-enterprise-log'. Detected type: 'MariaDB', version: 10.5.9.

2021-09-28 15:20:39   notice : 'db-rep03' sent version string '10.5.10-7-MariaDB-enterprise-log'. Detected type: 'MariaDB', version: 10.5.10.

2021-09-28 15:20:39   notice : Server 'db-rep02' charset: utf8mb4

2021-09-28 15:20:39   notice : Server 'db-rep03' charset: utf8mb4

2021-09-28 15:20:39   notice : [mariadbmon] 'MariaDB-Monitor' acquired the exclusive lock on a majority of its servers. Automatic cluster manipulation operations such as failover will be enabled in 5 monitor ticks.

2021-09-28 15:20:39   notice : Starting a total of 3 services...

2021-09-28 15:20:39   notice : (Read-Only-Listener); Listening for connections at [0.0.0.0]:4008

2021-09-28 15:20:39   notice : Service 'Read-Only-Service' started (1/3)

2021-09-28 15:20:39   notice : (Write-Listener); Listening for connections at [0.0.0.0]:4006

2021-09-28 15:20:39   notice : Service 'Write-Service' started (2/3)

2021-09-28 15:20:39   notice : (Read-Write-Listener); Listening for connections at [0.0.0.0]:4007

2021-09-28 15:20:39   notice : Service 'Read-Write-Service' started (3/3)

2021-09-28 15:20:40   notice : Read 247 user@host entries from 'db-rep02' for service 'Write-Service'.

2021-09-28 15:20:40   notice : Read 247 user@host entries from 'db-rep03' for service 'Read-Only-Service'.

2021-09-28 15:20:40   notice : Read 247 user@host entries from 'db-rep02' for service 'Read-Write-Service'.

alert  : MaxScale 6.1.2 received fatal signal 6. Commit ID: 1479685b53546a0758137c81b864539a80b13bbc System name: Linux Release string: Ubuntu 20.04.3 LTS

nm: /lib/x86_64-linux-gnu/libc.so.6: no symbols

alert  :   /lib/x86_64-linux-gnu/libpthread.so.0(+0x133f4): ??:?

  /lib/x86_64-linux-gnu/libpthread.so.0(+0x134e8): ??:?

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZNK7maxbase9Semaphore4waitENS0_17signal_approach_tE+0x1f): maxutils/maxbase/include/maxbase/semaphore.hh:144

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN8maxscale13RoutingWorker16execute_seriallyERN7maxbase10WorkerTaskE+0x143): server/core/routingworker.cc:1132

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_Z11dcb_foreachPFbP3DCBPvES1_+0xdf): server/core/dcb.cc:2096

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_Z20session_list_to_jsonPKcb+0x42): server/core/session.cc:463

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(+0x53514a): server/core/resource.cc:755

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZNK8Resource4callERK11HttpRequest+0x2f): server/core/resource.cc:152

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(+0x539f18): server/core/resource.cc:1541 (discriminator 1)

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(+0x53b751): server/core/resource.cc:1739

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(+0x53be57): server/core/resource.cc:1801 (discriminator 1)

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(+0x53c3b6): /usr/include/c++/9/bits/std_function.h:302

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZNKSt8functionIFvvEEclEv+0x36): /usr/include/c++/9/bits/std_function.h:688

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(+0x662904): maxutils/maxbase/src/worker.cc:495

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker14handle_messageERNS_12MessageQueueERKNS_19MessageQueueMessageE+0x122): maxutils/maxbase/src/worker.cc:656

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase12MessageQueue18handle_poll_eventsEPNS_6WorkerEj+0x1f1): maxutils/maxbase/src/messagequeue.cc:307

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase12MessageQueue12poll_handlerEP13MXB_POLL_DATAP10MXB_WORKERj+0x35): maxutils/maxbase/src/messagequeue.cc:343

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x4fc): maxutils/maxbase/src/worker.cc:863

  /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x12d): maxutils/maxbase/src/worker.cc:560

  /usr/bin/maxscale(_ZN7maxbase6Worker3runEv+0x21): maxutils/maxbase/include/maxbase/worker.hh:451

  /usr/bin/maxscale(main+0x172d): server/core/gateway.cc:2213

  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3): ??:0

  /usr/bin/maxscale(_start+0x2e): ??:?

alert  : Writing core dump.