Shantanu Gontia [https://community.jboss.org/people/imshaan] created the discussion "javax.naming.CommunicationException: Could not obtain connection to any of these urls" To view the discussion, visit: https://community.jboss.org/message/647290#647290 -------------------------------------------------------------- I am getting this error when i am trying to open a JNDi connection with Jboss. When i am clicking on the URL: https://localhost:9580 https://localhost:9580 it is opening the jboss server but in program it is showing below error. Exception in thread "main" javax.naming.CommunicationException: Could not obtain connection to any of these urls: http://localhost:9580 http://localhost:9580 and discovery failed with error: javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out] [Root exception is javax.naming.CommunicationException: Failed to connect to server http://localhost:9580:1099 http://localhost:9580:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server http://localhost:9580:1099 http://localhost:9580:1099 [Root exception is java.net.UnknownHostException: http://localhost:9580 http://localhost:9580]]]     at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1763)     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:693)     at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:686)     at javax.naming.InitialContext.lookup(InitialContext.java:392)     at queue.QueueExample.example(QueueExample.java:25)     at queue.QueueExample.main(QueueExample.java:99) Caused by: javax.naming.CommunicationException: Failed to connect to server http://localhost:9580:1099 http://localhost:9580:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server http://localhost:9580:1099 http://localhost:9580:1099 [Root exception is java.net.UnknownHostException: http://localhost:9580 http://localhost:9580]]     at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:335)     at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1734)     ... 5 more Caused by: javax.naming.ServiceUnavailableException: Failed to connect to server http://localhost:9580:1099 http://localhost:9580:1099 [Root exception is java.net.UnknownHostException: http://localhost:9580 http://localhost:9580]     at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:305)     ... 6 more Caused by: java.net.UnknownHostException: http://localhost:9580 http://localhost:9580     at java.net.InetAddress.getAllByName0(InetAddress.java:1157)     at java.net.InetAddress.getAllByName(InetAddress.java:1083)     at java.net.InetAddress.getAllByName(InetAddress.java:1019)     at java.net.InetAddress.getByName(InetAddress.java:969)     at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:81)     at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:301)     ... 6 more Please help what can be done to solve this. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/647290#647290] Start a new discussion in JNDI and Naming at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]