How the issue manifests
On Ubuntu 18.04, the following error is displayed:
java.security.InvalidAlgorithmParameterException:
the trustAnchors parameter must be non-empty
Cause
Java does not have a valid truststore (certificates) available for SSL communication.
👉 this is typically a Java configuration issue on the given system
Solution
Edit the configuration file:
/etc/default/flexibee
and add the following parameter:
FLEXIBEE_ARGS="-Djavax.net.ssl.trustStorePassword=changeit"
Steps
edit the file
/etc/default/flexibeesave the changes
restart the ABRA Flexi service