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"java.net.UnknownHostException: servername" error with SQL Server JDBC driver when using LDAP server

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Title"java.net.UnknownHostException: servername" error with SQL Server JDBC driver when using LDAP server
URL Namejava-net-UnknownHostException-servername-error-with-SQL-Server-JDBC-driver-when-using-LDAP-server
Article Number000179002
EnvironmentProduct: Connect for JDBC SQl Server driver
Version: 5.1
OS: java
Database: SQL Server
Application: all supported applications
Question/Problem Description
The below error is seen when using an LDAP server.
Steps to Reproduce
Clarifying Information
The error is seen when using the JNDI_LDAP_Example.java application, that is found in the <driver install directory>\Examples\JNDI directory.
Error MessageTrying to create the naming service initial context
javax.naming.CommunicationException: servername:389 [Root exception is java.net.UnknownHostException: servername]
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.getUsingURLs(Unknown Source)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(Unknown Source)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(Unknown Source)
at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
at javax.naming.InitialContext.init(Unknown Source)
at javax.naming.InitialContext.<init>(Unknown Source)
at test.CreateDataSource.main(CreateDataSource.java:66)
Caused by: java.net.UnknownHostException: servername
at java.net.AbstractPlainSocketImpl.connect(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)
Defect Number
Enhancement Number
Cause
Resolution
Make sure that the correct LDAP server name is specified in the URL in the code:

env.put(Context.PROVIDER_URL, "ldap://servername/ou=orgUnit,o=org"); 
Workaround
Notes
Last Modified Date11/30/2016 8:04 AM
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