The connector starts but fails to connect to OpenSearch nodes

[eaudet]

I POST the following json configuration:

{
    "name": "elastic-source",
    "config": {
        "connector.class": "com.github.dariobalinzo.ElasticSourceConnector",
        "tasks.max": "1",
        "es.host": "opensearch-node1;opensearch-node2",
        "es.port": "9200",
        "es.scheme": "https",
        "es.password": "********",
        "es.user": "admin",
        "es.tls.keystore.location": "/usr/share/confluent-hub-components/cacerts",
        "es.tls.keystore.password": "********",
        "index.prefix": "contacts",
        "topic.prefix": "es_",
        "incrementing.field.name": "@timestamp"
    }
}

The connector starts but fails to connect to OpenSearch nodes

Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
2022-09-28T01:16:00.729008620Z 	at java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
2022-09-28T01:16:00.729011206Z 	at java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
2022-09-28T01:16:00.729019382Z 	at java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)
2022-09-28T01:16:00.729022276Z 	at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:434)
2022-09-28T01:16:00.729024846Z 	... 25 more