3311091 - LDAP connection check fails after upgrading Cloud Connector to version 2.15.1

After upgrading SAP Cloud Connector to version 2.15.1, you noticed that "connection check" feature for LDAP connections is not working. 

In the ljs_trace.log, the following information can be seen:

2023-01-27 13:33:30,865 -0800#INFO#com.sap.scc.rt#AccessControl connection checker#          #ldap://xxxxx.xxx:xxxx is unavailable
javax.naming.CommunicationException: xxxxx.xxx:xxxx
    at com.sun.jndi.ldap.Connection.<init>(Connection.java:245)
    at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:137)
    at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1615)
    at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2847)
    at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:348)
    at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxFromUrl(LdapCtxFactory.java:225)
    at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:189)
    at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:243)
    at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:154)
    at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:84)

SAP Cloud Connector version 2.15.1

2.15.1, connection check, ldap , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem