title: SCDF server failing to start with the k8s version 1.20
body: <p>We recently upgraded to k8s version 1.20.9 and not sure if that is the root cause but SCDF server pod fails to come up with the error below.</p>
  <p>I usually deploy scdf server using kubectl based deployment.</p>
  <p>Anyone has any idea ? Attached error below.</p>
  <blockquote>
  <p>2022-01-05 05:08:56.207  INFO 1 --- [           main]
  o.a.coyote.http11.Http11NioProtocol      : Starting ProtocolHandler
  [&quot;http-nio-80&quot;] 2022-01-05 05:08:56.300  WARN 1 --- [           main]
  ConfigServletWebServerApplicationContext : Exception encountered
  during context initialization - cancelling refresh attempt:
  org.springframework.context.ApplicationContextException: Failed to
  start bean 'webServerStartStop'; nested exception is
  org.springframework.boot.web.server.WebServerException: Unable to
  start embedded Tomcat server 2022-01-05 05:08:56.798  INFO 1 --- [<br />
  main] j.LocalContainerEntityManagerFactoryBean : Closing JPA
  EntityManagerFactory for persistence unit 'default' 2022-01-05
  05:08:56.893  INFO 1 --- [           main]
  com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown
  initiated... 2022-01-05 05:08:57.194  INFO 1 --- [           main]
  com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown
  completed. 2022-01-05 05:08:57.197  INFO 1 --- [           main]
  o.a.coyote.http11.Http11NioProtocol      : Pausing ProtocolHandler
  [&quot;http-nio-80&quot;] 2022-01-05 05:08:57.197  INFO 1 --- [           main]
  o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
  2022-01-05 05:08:57.292  INFO 1 --- [           main]
  o.a.coyote.http11.Http11NioProtocol      : Stopping ProtocolHandler
  [&quot;http-nio-80&quot;] 2022-01-05 05:08:57.293  INFO 1 --- [           main]
  o.a.coyote.http11.Http11NioProtocol      : Destroying ProtocolHandler
  [&quot;http-nio-80&quot;] 2022-01-05 05:08:57.793 ERROR 1 --- [           main]
  o.s.boot.SpringApplication               : Application run failed</p>
  <p>org.springframework.context.ApplicationContextException: Failed to
  start bean 'webServerStartStop'; nested exception is
  org.springframework.boot.web.server.WebServerException: Unable to
  start embedded Tomcat server Caused by:
  org.springframework.boot.web.server.WebServerException: Unable to
  start embedded Tomcat server Caused by:
  java.lang.IllegalArgumentException:
  standardService.connector.startFailed Caused by:
  org.apache.catalina.LifecycleException: Protocol handler start failed
  Caused by: java.net.SocketException: Permission denied</p>
  </blockquote>