Active Directory Issue

[James Winfrey]

Hi Guys

I am trying to retrive the list of all groups from ActiveDirectory(LDAP) using Java. I am getting the list of groups followed by the below exception. Please do let me know the reason for the exception.

  javax.naming.PartialResultException [Root exception is javax.naming.CommunicationException: abcdomain.com:389 [Root   exception is java.net.ConnectException: Connection timed out: connect]]
	at com.sun.jndi.ldap.LdapNamingEnumeration.hasMoreImpl(Unknown Source)
	at com.sun.jndi.ldap.LdapNamingEnumeration.hasMore(Unknown Source)
	at com.hcl.cob.dataaccesslayer.authmodule.LDAPAuthentication.ldapAuthenticate(LDAPAuthentication.java:87)
	at com.hcl.cob.dataaccesslayer.authmodule.LDAPAuthentication.main(LDAPAuthentication.java:48)
Caused by: javax.naming.CommunicationException: abcdomain.com:389 [Root exception is java.net.ConnectException: Connection timed out: connect]
	at com.sun.jndi.ldap.LdapReferralContext.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapReferralException.getReferralContext(Unknown Source)
	at com.sun.jndi.ldap.LdapNamingEnumeration.hasMoreReferrals(Unknown Source)
	... 4 more
Caused by: java.net.ConnectException: Connection timed out: connect
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.PlainSocketImpl.doConnect(Unknown Source)
	at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.SocksSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at java.net.Socket.<init>(Unknown Source)
	at java.net.Socket.<init>(Unknown Source)
	at com.sun.jndi.ldap.Connection.createSocket(Unknown Source)
	at com.sun.jndi.ldap.Connection.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapClient.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapClient.getInstance(Unknown Source)
	at com.sun.jndi.ldap.LdapCtx.connect(Unknown Source)
	at com.sun.jndi.ldap.LdapCtx.<init>(Unknown Source)
	at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(Unknown Source)
	at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(Unknown Source)
	at com.sun.jndi.url.ldap.ldapURLContextFactory.getObjectInstance(Unknown Source)
	at javax.naming.spi.NamingManager.getURLObject(Unknown Source)
	at javax.naming.spi.NamingManager.processURL(Unknown Source)
	at javax.naming.spi.NamingManager.processURLAddrs(Unknown Source)
	at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)