Keycloak LDAPS does not find valid certification path to requested target in Production

Getting advice
1

I have deployed Keycloak 20 as a kubernetes pod and tried to synchronize all the users from LDAPS.
Below are the list of steps followed:

  1. Created a truststore (truststore.jks) file using the root and domain certificates by running keytool command.
keytool -import -alias vxx.xxxxx.com -keystore /opt/keycloak/data/keystore/truststore.jks -file /opt/keycloak/data/keystore/domain.cer
keytool -import -alias root -keystore /opt/keycloak/data/keystore/truststore.jks -file /opt/keycloak/data/keystore/root.cer
  1. Ran the kc.sh start script with the truststore (truststore.jks) file as mentioned in the official documentation,
bin/kc.sh start --spi-truststore-file-file=truststore.jks --spi-truststore-file-password=changeit --spi-truststore-file-hostname-verification-policy=ANY

NOTE: The above command is passed as arguments in the deployment.yaml. The truststore.jks and certificates are persisted in the persistent volume.
3. Now updated the User federation section of the Keycloak dashboard with all the details like the LDAPS endpoint, User DN, Bind DN and Bind Password.
4. After clicking the “Test Connection” button, it fails and prompts to check through the logs for test connection failure. The logs shows 2 to 3 types of errors as mentioned below

1. Could not negotiate TLS
[keycloak_ldaps_error.log](https://github.com/keycloak/keycloak/files/10330397/keycloak_ldaps_error.log)
[keycloak_ldaps_error.log](https://github.com/keycloak/keycloak/files/10330403/keycloak_ldaps_error.log)

2. PKIX path building failed. Unable to find valid certification path to requested target. (javax.namingCommunication Exception)
3. Connection or Outbound has closed.

NOTE: Repeated the step-2 with standard java truststore configuration,

keytool -import -alias vxx.xxxxx.com -keystore /etc/java/java-11-openjdk/java-11-openjdk-11.0.17.0.8-2.el8_6.x86_64/lib/security/cacerts -file /opt/keycloak/data/keystore/domain.cer
keytool -import -alias root -keystore /etc/java/java-11-openjdk/java-11-openjdk-11.0.17.0.8-2.el8_6.x86_64/lib/security/cacerts -file /opt/keycloak/data/keystore/root.cer

There are no issues with the certificates because the same LDAPS is properly integrated in another setup without keycloak and by using the same commercial certificates.

Please help me if there are any issues with the current procedure or anything is missing.