java.net.ConnectException : Connection refused: while connecting to Ldap

Question

我尝试通过 java 代码连接 LDAP，但出现以下异常。有人能告诉我我错过了什么吗？这是我的代码-

 initialProperties = new Properties();
        initialProperties.put(Context.INITIAL_CONTEXT_FACTORY, initialContextFactory);
        initialProperties.put(Context.PROVIDER_URL, providerURL);
        initialProperties.put(Context.SECURITY_PRINCIPAL, securityPrincipal);
        initialProperties.put(Context.SECURITY_CREDENTIALS, securityCredentials);
        initialProperties.put(Context.SECURITY_AUTHENTICATION, authentication);
        try {
        context = new InitialDirContext(initialProperties);
        }
        catch(Exception e)
        {e.printStackTrace();}

Answer 1

我稍微改变了你的代码，它在我的代码中有效。

public class LdapTest {

public static void main(String[] args) {

    Properties initialProperties = new Properties();
    initialProperties.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    initialProperties.put(Context.PROVIDER_URL, "ldap://192.168.0.179:389");
    initialProperties.put(Context.SECURITY_PRINCIPAL, "cn=Directory Manager");
    initialProperties.put(Context.SECURITY_CREDENTIALS, "dirmanager");
    initialProperties.put(Context.SECURITY_AUTHENTICATION, "simple");

    try {
    InitialDirContext context = new InitialDirContext(initialProperties);
    System.out.println(context);
    }
    catch(Exception e)
    {e.printStackTrace();}
    }
}

不要忘记首先启动 LDAP 服务器。