MaxScale crashes on startup.

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Starting a total of 4 services...

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Listening for connections at [::]:3307 with protocol MySQL

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Service 'pam-service' started (1/4)

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Listening for connections at [/var/run/maxscale/maxadmin.sock]:0 with protocol MaxScale Admin

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Service 'MaxAdmin-Service' started (2/4)

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: [Splitter-Pers-Service] Loaded 58 MySQL users for listener Splitter-Pers-Listener.

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Listening for connections at [::]:3309 with protocol MySQL

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Service 'Splitter-Pers-Service' started (3/4)

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: [Splitter-Service] Loaded 58 MySQL users for listener Splitter-Listener.

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Listening for connections at [::]:3306 with protocol MySQL

Apr 22 14:48:26 prvlopsmsc01 maxscale[18373]: Service 'Splitter-Service' started (4/4)

Apr 22 14:48:27 prvlopsmsc01 maxscale[18373]: Started REST API on [127.0.0.1]:8989

Apr 22 14:48:27 prvlopsmsc01 maxscale[18373]: MaxScale started with 2 worker threads, each with a stack size of 8388608 bytes.

Apr 22 14:48:27 prvlopsmsc01 systemd: Started MariaDB MaxScale Database Proxy.

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) Fatal: MaxScale 2.3.5 received fatal signal 11. Attempting backtrace.

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) Commit ID: 758fec5e2f11dc078a8ca1530305dd5539c302a1 System name: Linux Release string: Red Hat Enterprise Linux Server release 7.6 (Maipo)

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/bin/maxscale(_ZN7maxbase15dump_stacktraceESt8functionIFvPKcS2_EE+0x2b) [0x40cbab]: /home/vagrant/MaxScale/maxutils/maxbase/src/stacktrace.cc:130

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/bin/maxscale(_ZN7maxbase15dump_stacktraceEPFvPKcS1_E+0x4e) [0x40cf0e]: /usr/include/c++/4.8.2/functional:2029

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/bin/maxscale() [0x4095b9]: ??:0

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /lib64/libpthread.so.0(+0xf5d0) [0x7f87ac2b25d0]: sigaction.c:?

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNK8maxscale14SessionCommand12get_positionEv+0x1) [0x7f87aca31581]: /home/vagrant/MaxScale/server/core/session_command.cc:29

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession23process_sescmd_responseERSt10shared_ptrIN8maxscale9RWBackendEEPP5gwbuf+0x428) [0x7f87a51a6ee8]: /home/vagrant/MaxScale/server/modules/routing/readwritesplit/rwsplit_session_cmd.cc:177

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession11clientReplyEP5gwbufP3dcb+0x4df) [0x7f87a519c3af]: /home/vagrant/MaxScale/server/modules/routing/readwritesplit/rwsplitsession.cc:708

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE11clientReplyEP10mxs_routerP18mxs_router_sessionP5gwbufP3dcb+0x24) [0x7f87a5198714]: /home/vagrant/MaxScale/include/maxscale/router.hh:206

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libmariadbbackend.so(+0x43a7) [0x7f87a49663a7]: /home/vagrant/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.cc:1041

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x7c777) [0x7f87ac9de777]: /home/vagrant/MaxScale/server/core/dcb.cc:3136

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x7c911) [0x7f87ac9de911]: /home/vagrant/MaxScale/server/core/dcb.cc:3228

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x1b5) [0x7f87aca3a545]: /home/vagrant/MaxScale/maxutils/maxbase/src/worker.cc:844

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x51) [0x7f87aca3a741]: /home/vagrant/MaxScale/maxutils/maxbase/src/worker.cc:545

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/bin/maxscale(main+0x2019) [0x4087f9]: /home/vagrant/MaxScale/server/core/gateway.cc:2259

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f87aa1ae3d5]: ??:?

Apr 22 14:48:28 prvlopsmsc01 maxscale[18373]: (8) /usr/bin/maxscale() [0x409022]: ??:0

Apr 22 14:48:28 prvlopsmsc01 abrt-hook-ccpp: Process 18373 (maxscale) of user 996 killed by SIGSEGV - ignoring (repeated crash)

Apr 22 14:48:28 prvlopsmsc01 systemd: maxscale.service: main process exited, code=dumped, status=11/SEGV

Apr 22 14:48:28 prvlopsmsc01 systemd: Unit maxscale.service entered failed state.

Apr 22 14:48:28 prvlopsmsc01 systemd: maxscale.service failed.