[求助]JNDI相关!
package jndi;import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.DirContext;
import javax.naming.directory.Attributes;
import javax.naming.NamingException;
/**
*
* @author Administrator
*/
public class NewClass {
public static void main(String[] args) {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");
try {
// Create the initial directory context
DirContext ctx = new InitialDirContext(env);
// Ask for all attributes of the object
Attributes attrs = ctx.getAttributes("cn=Ted Geisel, ou=People");
// Find the surname attribute ("sn") and print it
System.out.println("sn: " + attrs.get("sn").get());
} catch (NamingException e) {
e.printStackTrace();
}
}
}
/**************************************************************************
下面的是产生的异常,请问各位大哥大姐,该怎么解决?
javax. localhost:389 [Root exception is Connection refused: connect]
at com.sun.jndi.ldap.Connection.<init>(Connection.java:207)
at com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:118)
at com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1580)
at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2616)
at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:287)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:175)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:193)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:136)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:66)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:667)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:288)
at javax.naming.InitialContext.init(InitialContext.java:223)
at javax.naming.InitialContext.<init>(InitialContext.java:197)
at javax.naming.directory.InitialDirContext.<init>(InitialDirContext.java:82)
at jndi.NewClass.main(NewClass.java:28)
Caused by: Connection refused: connect
at (Native Method)
at (PlainSocketImpl.java:333)
at (PlainSocketImpl.java:195)
at (PlainSocketImpl.java:182)
at (SocksSocketImpl.java:366)
at (Socket.java:519)
at (Socket.java:469)
at (Socket.java:366)
at (Socket.java:180)
at com.sun.jndi.ldap.Connection.createSocket(Connection.java:349)
at com.sun.jndi.ldap.Connection.<init>(Connection.java:184)
... 14 more
*********************************************************************************/