Also, there are a few disturbing messages in the log about some filters being not registered:
2021-10-19 15:22:32.353 INFO 4092 --- [http-nio-8400-exec-231] ru.tern.apt2.ServletInitializer : Starting ServletInitializer v0.0.1-SNAPSHOT using Java 1.8.0_221 on AZGLRUNEVDD02 with PID 4092 (C:\Program Files\Apache Software Foundation\Tomcat 9.0_Tomcat9_APT\webapps\apt3\WEB-INF\classes started by SVC-BO01-RU in C:\Program Files\Apache Software Foundation\Tomcat 9.0_Tomcat9_APT)
2021-10-19 15:22:32.368 INFO 4092 --- [http-nio-8400-exec-231] ru.tern.apt2.ServletInitializer : No active profile set, falling back to default profiles: default
2021-10-19 15:22:37.698 INFO 4092 --- [http-nio-8400-exec-231] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 5158 ms
2021-10-19 15:22:38.167 INFO 4092 --- [http-nio-8400-exec-231] w.s.s.SecurityFilterProviderCollection : using 'waffle.servlet.spi.NegotiateSecurityFilterProvider'
2021-10-19 15:22:38.182 INFO 4092 --- [http-nio-8400-exec-231] w.s.s.SecurityFilterProviderCollection : using 'waffle.servlet.spi.BasicSecurityFilterProvider'
2021-10-19 15:22:39.323 INFO 4092 --- [http-nio-8400-exec-231] o.s.boot.web.servlet.RegistrationBean : Filter negotiateSecurityFilter was not registered (disabled)
2021-10-19 15:22:39.323 INFO 4092 --- [http-nio-8400-exec-231] o.s.boot.web.servlet.RegistrationBean : Filter negotiateSecurityFilter was not registered (disabled)