public void setSystemPassword(String systemPassword) {
        this.systemPassword = systemPassword;
    }
Sets the password of the {@link #setSystemUsername(String) systemUsername} that will be used when creating an
LDAP connection used for authorization queries.
<p/>
Note that setting this property is not required if the calling LDAP Realm does not perform authorization
checks.

@param systemPassword the password of the {@link #setSystemUsername(String) systemUsername} that will be used
                      when creating an LDAP connection used for authorization queries.
core/src/main/java/org/apache/shiro/realm/ldap/JndiLdapContextFactory.java