Sonarqube failes on LDAP test connection

Hi!
I try to deploy Sonarqube to my K8s-cluster.

Sonarqube image tag: 8.4.2-community

To configure LDAP connection I use env. variables:

        - name: SONAR_SECURITY_REALM
          value: "LDAP"
        - name: LDAP_URL
          value: "ldap://<myAD_URL>:636"
        - name: LDAP_BINDDN
          value: "cn=<name_of_user>,ou=users,dc=<my_organization>,dc=org"
        - name: LDAP_BINDPASSWORD
          valueFrom:
            secretKeyRef:
              name: ldap-passwd
              key: password
        - name: LDAP_AUTHENTICATION
          value: "simple"
        - name: LDAP_REALM
          value: "<organization>"
        - name: LDAP_USER_BASEDN
          value: "cn=users,dc=<organization>,dc=org"
        - name: LDAP_USER_REQUEST
          value: "(&(objectClass=user)(sAMAccountName={login}))"
        - name: LDAP_USER_REALNAMEATTRIBUTE
          value: "userPrincipalName"
        - name: LDAP_USER_EMAILATTRIBUTE
          value: "mail"
        - name: LDAP_GROUP_BASEDN
          value: "cn=groups,dc=<organization>,dc=org"
        - name: LDAP_GROUP_REQUEST
          value: "(&(objectClass=group)(member={dn}))"
        - name: LDAP_GROUP_IDATTRIBUTE
          value: "sAMAccountName"
        - name: SONAR_WEB_JAVAADDITIONALOPTS
          value: "-Dcom.sun.jndi.ldap.connect.pool.timeout=3600000 -Dcom.sun.jndi.ldap.connect.pool.prefsize=0"

And when application starts I get Java exception:

2020.09.22 15:31:09 ERROR web[][o.s.s.p.Platform] Background initialization failed. Stopping SonarQube
org.sonar.api.utils.SonarException: Security realm fails to start: Unable to open LDAP connection
at org.sonar.server.user.SecurityRealmFactory.start(SecurityRealmFactory.java:93)
at org.sonar.core.platform.StartableCloseableSafeLifecyleStrategy.start(StartableCloseableSafeLifecyleStrategy.java:40)
at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84)
at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169)
at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132)
at org.picocontainer.behaviors.Stored.start(Stored.java:110)
at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:1016)
at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:1009)
at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:767)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.server.platform.platformlevel.PlatformLevel.start(PlatformLevel.java:90)
at org.sonar.server.platform.platformlevel.PlatformLevel4.start(PlatformLevel4.java:555)
at org.sonar.server.platform.PlatformImpl.start(PlatformImpl.java:213)
at org.sonar.server.platform.PlatformImpl.startLevel34Containers(PlatformImpl.java:187)
at org.sonar.server.platform.PlatformImpl.access$500(PlatformImpl.java:46)
at org.sonar.server.platform.PlatformImpl$1.lambda$doRun$0(PlatformImpl.java:120)
at org.sonar.server.platform.PlatformImpl$AutoStarterRunnable.runIfNotAborted(PlatformImpl.java:370)
at org.sonar.server.platform.PlatformImpl$1.doRun(PlatformImpl.java:120)
at org.sonar.server.platform.PlatformImpl$AutoStarterRunnable.run(PlatformImpl.java:354)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: org.sonar.auth.ldap.LdapException: Unable to open LDAP connection
at org.sonar.auth.ldap.LdapContextFactory.testConnection(LdapContextFactory.java:214)
at org.sonar.auth.ldap.LdapRealm.init(LdapRealm.java:63)
at org.sonar.server.user.SecurityRealmFactory.start(SecurityRealmFactory.java:87)
... 19 common frames omitted
Caused by: javax.naming.NamingException: LDAP response read timed out, timeout used:-1ms.
at java.naming/com.sun.jndi.ldap.Connection.readReply(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapClient.ldapBind(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapClient.authenticate(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapCtx.connect(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapCtx.<init>(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(Unknown Source)
at java.naming/com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(Unknown Source)
at java.naming/javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
at java.naming/javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
at java.naming/javax.naming.InitialContext.init(Unknown Source)
at java.naming/javax.naming.ldap.InitialLdapContext.<init>(Unknown Source)
at org.sonar.auth.ldap.LdapContextFactory.createInitialDirContext(LdapContextFactory.java:137)
at org.sonar.auth.ldap.LdapContextFactory.createBindContext(LdapContextFactory.java:95)
at org.sonar.auth.ldap.LdapContextFactory.testConnection(LdapContextFactory.java:210)
... 21 common frames omitted

As you see I tried even set timeout to 1 hour but didn’t succeed.

Please, help me get connected to my LDAP. What do I do in a wrong way?