jashan07 [https://community.jboss.org/people/jashan07] created the discussion "javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory]" To view the discussion, visit: https://community.jboss.org/message/829512#829512 -------------------------------------------------------------- Hi, I am trying to run my application on 6.0.1 EAP and m getting the following error: javax.naming.NoInitialContextException Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException I found from some forums that i have to add jbossall-client.jar file but jboss 6.0.1 doesnt contain any jar like this. Can any one help me to get out of this problem? my BookClient code: *public* *class* BookClient { *public static void* *main(String z[]) {* *try* *{* *int* *choice = 1;**Properties p =* *new* *Properties();**p.put(Context.* ++*INITIAL_CONTEXT_FACTORY*++*,* *"org.jnp.interfaces.NamingContextFactory"**);**p.put(Context.* ++*URL_PKG_PREFIXES*++*,* *"org.jboss.naming:org.jnp.interfaces"**);**p.put(Context.* ++*PROVIDER_URL*++*, "localhost:4447"**);**InitialContext ctx =* *new* *InitialContext(p);* *BookHome home = (BookHome) ctx.lookup(* *"BK"**);* *Book bean = home.create();* *Scanner sc =* *new Scanner(System.+*+in+*+**);* *while* *(choice != 2) {**String bname;* *System.* ++*out*++*.println("Enter choice 1. Add 2. Over"**);**choice = sc.nextInt();* *if* *(choice == 1) {**System.* ++*out*++*.println("Enter book name"**);**bname = sc.next();* *bean.addBook(bname);* *}* *else if* *(choice == 2) {* *break**;**}* *}* *Vector v = bean.getBooks();* *System.* ++*out*++*.println("Size of vector \t"* *+ v.size());* *for (int* *i = 0; i < v.size(); ++i) {**System.* ++*out*++*.println((String) v.elementAt(i));**}* *}* *catch* *(Exception e) {**System.* ++*out*++*.println(e);**}* *}* *where is the error or which jar file i need to add or modification i need to do?* *Thanks,* -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/829512#829512] Start a new discussion in JNDI and Naming at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]