Javax.naming.NoInitialContextException! Urgent help needed

Hi All
I'm using Oracle Application Server(OC4J) for J2EE. i created an application of Stateless Session Bean & tested on j2sdkee1.3.1, & it is working fine on it. Same Application (an .ear file) i deployed on OC4J. But it is giving an error NoInitialContextException, lookup fails here.
Application contains method getEchoString(String):String & a index.jsp page calling a bean's method.
Can anybody tell me the solution to get handle of beans home interface for calling method.
Already i've wasted many days for this. Plz help. It's urgent
Thanks in Advance

To the best of my knowledge, the 'javax.naming.ldap' package is fairly new, and is only included in the most recent distributions of the JNDI API. I know that this package is included with J2SDK 1.3, and I can also confirm that the very latest JNDI distribution (from http://java.sun.com/products/jndi/#download) contains the package.
Good luck,
-Derek

Similar Messages

Exception in thread "main" javax.naming.NoInitialContextException: Need to

Hey,
I am exploring the technique 'JMS'. I found an sample code on the Internet (https://www.redhat.gl/docs/manuals/jboss/jboss-eap-4.2/doc/Server_Configuration_Guide/JMS_Examples-A_Point_To_Point_Example.html).
But unfortunately, by running the code on my local computer, I got an NoInitialContextException (Exception in thread "main" javax.naming.NoInitialContextException: Need to ...Application resource file: java.naming.factory.initial). After searching on the Internet, I discovered I need to configure some JNDI values. But, also after passing on the variables to the class by parameter (-Djava.naming.factory.initial=com.sun.enterprise.naming.SerialInitContextFactory), I still get the same error.
What have I forgotten? Hope someone can help. Thanks!
Tongue78.
public void setupPTP()
throws JMSException,
NamingException
InitialContext iniCtx = new InitialContext();
Object tmp = iniCtx.lookup("ConnectionFactory"); // exception occurs here..
QueueConnectionFactory qcf = (QueueConnectionFactory) tmp;
conn = qcf.createQueueConnection();
que = (Queue) iniCtx.lookup("queue/testQueue");
session = conn.createQueueSession(false,
QueueSession.AUTO_ACKNOWLEDGE);
conn.start();
....

Refer to the Sun App Server documentation.
http://docs.sun.com/source/819-0079/dgacc.htmlIt lists down the steps you need to follow.

Javax.naming.NoInitialContextException: Need to specify class name...

Hello,
I am trying to use a Database Connection Pool.
Here is the test class am using to verify the connection pool:
public static void main(String[] args) { Connection connection = null; try { InitialContext initialContext = new InitialContext(); DataSource dataSource = (DataSource)initialContext.lookup("jdbc/<alias>"); connection= dataSource.getConnection(); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (NamingException e) { // TODO Auto-generated catch block e.printStackTrace(); } Statement stmt = null; try { String query = ""; stmt = connection.createStatement(); ResultSet resultSet = null; query = "SELECT <column> ...'"; resultSet = stmt.executeQuery(query); while(resultSet.next()){ System.out.println(resultSet.getString(<column>)); } stmt.close(); stmt = null; connection.close(); connection = null; } catch (SQLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); }finally{ if (stmt != null) { try { stmt.close(); } catch (SQLException sqlex) { // ignore -- as we can't do anything about it here } stmt = null; } if (connection != null) { try { connection.close(); } catch (SQLException sqlex) { // ignore -- as we can't do anything about it here } connection = null; } } }
I get following exception..
javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:640) at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243) at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:280) at javax.naming.InitialContext.lookup(InitialContext.java:347) at com.internal.test.TestRun.main(TestRun.java:53) java.lang.NullPointerException at com.internal.test.TestRun.main(TestRun.java:66) Exception in thread "main"
The exception points to
DataSource dataSource = (DataSource)initialContext.lookup("jdbc/OrderStatus");
Is this the correct way to test...?
Thanks
Srinivas

java_2006 wrote:
You can't access a jdbc pool like that (simply with a main method).
The Database connection pool must be managed by a container (a servlet or application server) like tomcat.
That is not entirely true but it certainly helps and is generally the only way it is used anyway so one might as well do it.

EJB ERR: Namingexception caught:javax.naming.NoInitialContextException

Hi,
I am trying to deploy a sample ejb on Jboss and trying to call it from a client.
I am getting the following error.
*********Before LookUP*********
Namingexception caught:javax.naming.NoInitialContextException: Need to specify c
lass name in environment or system property, or as an applet parameter, or in an
application resource file: java.naming.factory.initial
This is my client code for the ejb where I have specified the INITIAL_CONTEXT_FACTORY and PROVIDER_URL..
Am I missing something here?
Is there any other way to go about this. Any help would be greatly appreciated.
Thanks and Regards,
Ajith
THE CLIENT CODE IS AS GIVEN BELOW
package simple_bean_client;
import javax.ejb.*;
import simpleBean.*;
import javax.naming.Context;
import java.util.Properties;
import java.util.Hashtable;
import javax.naming.InitialContext;
class SalaryClient
     public static void main(String args[])
          Hashtable env = new Hashtable();
          env.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
          env.put(Context.PROVIDER_URL, "localhost:1099");
          env.put("java.naming.factory.url.pkgs", "org.jboss.naming:org.jnp.interfaces");
     /*Properties pro = System.getProperties();
     pro.put( "java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory" );
     pro.put( "java.naming.provider.url","localhost:1099" );*/
          try{
               InitialContext ctx=new InitialContext();
               System.out.println("*********Before LookUP*********");
               Object objRef=ctx.lookup("SalaryHome");
               System.out.println("*********After LookUP*********");
               SalaryHome home=(SalaryHome)javax.rmi.PortableRemoteObject.narrow(
               objRef,SalaryHome.class);
               Salary bean=home.create();
               System.out.println("monthly net salary:"+bean.calculateSalary(28000,2,500));
          }catch(javax.naming.NamingException ne){
               System.out.println("Namingexception caught:"+ne);
          }catch(javax.ejb.CreateException ce){
               System.out.println("Create exeption caught:"+ce);
          }catch(java.rmi.RemoteException re){
               System.out.println("Remote Exception caught:"+re);
     }//closing main
}//closing the class

Found this . . .
The following works for JBOSS, jndi.properties -file:
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.provider.url=jnp://your.host.com:1099
The client code is as follows:
Properties prop = new Properties();
InputStream is = this.getClass().getClassLoader().getResourceAsStream(jndi_property_file);
prop.load(is);
Context ctx = new InitialContext(prop);
anEJBHome =(EJBHome)PortableRemoteObject.narrow(ctx.lookup(homeClass.getName()),homeClass);

Naming error: javax.naming.NoInitialContextException

I get the below error message when I try to run the testing class below that. I googled the exception and read:
This exception is thrown when no initial context implementation can be created. The policy of how an initial context implementation is selected is described in the documentation of the InitialContext class.
// then I read this: http://publib.boulder.ibm.com/infocenter/adiehelp/index.jsp?topic=/com.sun.api.doc/javax/naming/NoInitialContextException.html
This exception can be thrown during any interaction with the InitialContext, not only when the InitialContext is constructed. For example, the implementation of the initial context might lazily retrieve the context only when actual methods are invoked on it.
I really dont understand what I read. Could someone please explain what my issue is and why it is occurring and how I could fix it.
Thank you in advance,
Crystal
Naming error: javax.naming.NoInitialContextException: Need to specify class name
in environment or system property, or as an applet parameter, or in an applicat
ion resource file: java.naming.factory.initial
Exception in thread "main" java.lang.NullPointerException
        at notifier.notifierMethod.SiteManager(notifierMethod.java:230)
        at notifier.testing.main(testing.java:22)
testing.java
class testing {
    public static void main(String[] args) {
        //Display "Hello World!"
        System.out.println("Hello World!");
        notifier notifierInformation = new notifier();
        //session.setAttribute("notifier", notifierInformation);
        //get db connection
        database.DataFactory dbf = database.DataFactory.getDataFactory(database.DataFactory.sybase);
        notifierInterface notifierDB = dbf.getNotifierInterface();
        notifier sitemanager = notifierDB.SiteManager(newID, notifierInformation); // LINE 22
notifierMethod
public notifier SiteManager(String newID, notifier notifierInformation) {
        try {
            ArrayList sitemgrList = new ArrayList();
            this.conn = database.SybaseDAO.grabConnection();
            cs = conn.prepareCall("{call mt."+newID+"_Notifier_SiteManager()}"); // LINE 230
            rs = cs.executeQuery();
            while(rs.next()) {
                String owner = rs.getString(1);
                    sitemgrList.add(owner);
            notifierInformation.setSitemgrList(sitemgrList);
}

Aleen - Thank you for your help but I just dont get what you are saying at all! I am reading through all the links and its just not clicking with me. Is it possible for you to show me a vague example of what you mean?
What do you mean by system properties/enviroment parameters? Do you mean what is in my web.xml/server.xml, like so?
public static Connection grabConnection() {
        Connection conn = null;
        try {
            Context ctx = (Context)new InitialContext().lookup("java:comp/env");
            DataSource ds = (DataSource)ctx.lookup("jdbc/connectDB");
            conn = ds.getConnection();
        } catch(SQLException e) { System.err.println("SQL error: " + e);
        } catch(NamingException n) { System.err.println("Naming error: " + n);
        return conn;
web.xml
<description>MySQL Test App</description>
<resource-ref>
      <description>DB Connection</description>
      <res-ref-name>jdbc/connectDB</res-ref-name>
      <res-type>javax.sql.DataSource</res-type>
      <res-auth>Container</res-auth>
</resource-ref>
server.xml
<Context path="/appName" docBase="/appName"
        debug="5" reloadable="true" crossContext="true">
<Logger className="org.apache.catalina.logger.FileLogger"
             prefix="localhost_DBPool_log" suffix=".log"
             timestamp="true"/>
<Resource name="jdbc/connectDB" auth="Container" type="javax.sql.DataSource"
               maxActive="5" maxIdle="1" maxWait="10000" removeAbandoned="true"
            removeAbandonedTimeout="60" logAbandoned="true"
               username="myName" password="myPass" driverClassName="sun.jdbc.odbc.JdbcOdbcDriver"
               url="jdbc:odbc:webdev"/>
</Context>I just dont understand why if I have this code in a servlet it works fine but when I try to put it in a java class it doesnt work. And I am sorry in advance, I am not trying to be a pain in the a55 to you.. and I will keep reading
Thanks - Crystal

Jndi.properties - javax.naming.NoInitialContextException

hi
i'm new to netbeans (5.5) and the Sun 9 appserver. I've been using JBoss & Eclipse to date.
I'm getting the javax.naming.NoInitialContextException and I believe it's because I'm not using jndi.properties like in jboss.
The problem is that I cannot seem to find where it should go and what it should look like.
Can someone please help ?
Thanks

All the documentation you need is here:
http://docs.sun.com/app/docs/coll/1343.3
I would particularly point you to http://docs.sun.com/app/docs/doc/819-3659/6n5s6m5bn?a=view

Javax.naming.NoInitialContextException when invoking an EJB

Hi,
I've deployed a stateless session EJB in oc4j and invoking it thru a Java client. I'm using Eclipse. I've a jndi.properties in config folder of my application which is in the classpath of the client code.
The jndi.properties has :
java.naming.factory.initial=com.evermind.server.rmi.RMIInitialContextFactory
java.naming.provider.url=ormi://<localhost>:12401/OC4JEJB
java.naming.security.principal=oc4jadmin
java.naming.security.credentials=oc4jadmin
where OC4JEJB is the application name deployed in oc4j.
This jndi.properties file is in the classpath.
My client code is :
Server server = null; //interface
ServerHome testSessionBean; //implementation of methods in Server interface
try {
Context ctx = new InitialContext();
Object objref = ctx.lookup("EJBServer"); //JNDI name
Object obj = PortableRemoteObject.narrow(objref, ServerHome.class);
testSessionBean = (ServerHome) PortableRemoteObject.narrow(objref,
                         ServerHome.class);
server = testSessionBean.create();
} catch (...) { }
When i set the properties and do a look up
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY,
          "com.evermind.server.rmi.RMIInitialContextFactory");
env.put(Context.SECURITY_PRINCIPAL, "oc4jadmin");//oc4jadmin
env.put(Context.SECURITY_CREDENTIALS, "oc4jadmin");
env.put(Context.PROVIDER_URL,
     "ormi://<localhost>:12401/OC4JEJB");
InitialContext ctx = new InitialContext(env);
it works perfectly fine.
But when i use the jndi.properties it gives the following exception.
javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
     at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
     at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
     at javax.naming.InitialContext.getURLOrDefaultInitCtx(Unknown Source)
     at javax.naming.InitialContext.lookup(Unknown Source)
     at client.ORION_EJB_Util.getServer(ORION_EJB_Util.java:203)
     at client.ORION_EJB_Util.<init>(ORION_EJB_Util.java:90)
     at client.TestClient.main(TestClient.java:26)
client.exception.EJBUtilException
     at client.ORION_EJB_Util.getServer(ORION_EJB_Util.java:248)
     at client.ORION_EJB_Util.<init>(ORION_EJB_Util.java:90)
     at client.TestClient.main(TestClient.java:26)
Invoking the server
Inside getServer method
Obtained Initial Context javax.naming.InitialContext@422ede
Exception null
I've tried placing the jndi.properties in j2ee/home/applib too. Where shud i place this jndi.properties and invoke the EJB?
Could anyone help resolve this issue?
Thanks in advance,
Sprightee

Try add your jndi.properties to your CLASSPATH.
See this doc for more details of RMI.
http://download-east.oracle.com/docs/cd/B31017_01/web.1013/b28958/rmi.htm#i1084792

How to get rid of "javax.naming.NoInitialContextException"

Hi,
Iam learning ejb. I was practicing the stateless session bean. I wrote a sample hello world application. While executing the client am getting the following error.
{color:#ff0000}Exception in thread "main" javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
at javax.naming.InitialContext.getURLOrDefaultInitCtx(Unknown Source)
at javax.naming.InitialContext.lookup(Unknown Source)
at hw.HelloClient.main(HelloClient.java:20){color}
My Client program:
{color:#ff0000}package hw;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.*;
import java.util.*;
public class HelloClient {
public static void main(String[] args)throws Exception {
Properties prop = System.getProperties();
Context ctx= new InitialContext(prop); {color}{color:#ff0000}{color:#800000}// (Line no :20) here only error is pointing
{color:#ff0000}Object obj = ctx.lookup("HelloHome");
HelloHome home = (HelloHome)javax.rmi.PortableRemoteObject.narrow(obj,HelloHome.class);
Hello hello = home.create();
System.out.println(hello.hello());
hello.remove();
}{color}{color}
{color}
please suggest me a solution. what has gone wrong!!

At a guess, I would say you "Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file". But I'm just guessing.

Error in EJB client program (javax.naming.NoInitialContextException)

Hi folks ,
I'm new to j2ee programming and using Netbeans 5.5 , i created a session bean program and deployed successfully in JOnAS application server but i'm not able to run the client program which invokes session bean (EJB module ).
when i run client program i'm getting the following error .
javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
        at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:645)
        at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:247)
        at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:284)
        at javax.naming.InitialContext.lookup(InitialContext.java:351)
        at SimpleSessionClient.Main.main(Main.java:33)
BUILD SUCCESSFUL (total time: 21 seconds)
but the same program runnig perfectly when i deploy in Java System Application Server(8.2(JSAS))
I included j2ee.jar and appserv-rt jar in classpath of client program for JSAS i don't know what are the jar files (which does the same function as j2ee.ar,appserv-rt.jar ) which is to be included for JOnAS .
i'm struggling with this for the past two weeks . please tell me the solution .
Thanks in advance

Thanks for the suggestion artntek.
I located the jndi.properties file in the %J2EE_HOME%\lib\classes folder, and I copied it to the %J2EE_HOME%\bin directory, but nothing seems to have changed.
does anyone know what value should be associated with Context.INITIAL_CONTEXT_FACTORY in the properties for the InitialContext object? More specifically, what value should be used for the reference install of the 1.3 j2ee release from sun?
This error suggests to me that a class name must be specified for the initial naming context factory - but I don't know what to use.

Javax.naming.NoInitialContextException ERROR

I get the following error:
Naming exception Error while connecting to the database : javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
I created a Java class which has a method which connects to the database using:
InitialContext ctx = new InitialContext();
javax.sql.DataSource ds = (javax.sql.DataSource)ctx.lookup("jdbc/TMBLDB01CoreDS");
m_connection = ds.getConnection();
It errored out on the second line with the above error. I am using JDeveloper 10.1.3.
I got it to work with a JDBC connection but prefer to use JNDI with JDBC.
I started the Oracle AS Containers for J2EE (OC4J) by double clicking start_oc4j.bat.
What is missing to make this work?

Yes by adding the following solved that issue.
env.put(JboContext.DEPLOY_PLATFORM, JboContext.PLATFORM_LOCAL);Another thing is I have added BC4J Client as library to my project. When I run I am getting
javax.naming.NamingException: oracle.jbo.server.InitialContextImpl [Root exception is java.lang.ClassNotFoundException: oracle.jbo.server.InitialContextImpl]
     at oracle.jbo.common.JboInitialContextFactory.getInitialContext(JboInitialContextFactory.java:65)
     at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:667)
     at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:247)
     at javax.naming.InitialContext.init(InitialContext.java:223)
     at javax.naming.InitialContext.<init>(InitialContext.java:197)Do I need any other libraries?
Thanks

Javax.naming.NoInitialContextException - jndi.properties

I created an Enterprise application and deployed an Ejb project to the JBoss server.When I try to connect to the JNDI like this:
Object o = initialContext.lookup(JNDI_NAME); I get this exception:
javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
I put the jndi.properties file both into the client app and the bean project, near the .java files.
here is the jndi.properties file:
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.provider.url=http://localhost:1099
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
I'm really confused...
thanks..

xyzt wrote:
I put the jndi.properties file both into the client app and the bean project, near the .java files.
here is the jndi.properties file:
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.provider.url=http://localhost:1099
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
I think that goes in
${JBOSS_HOME}/server/default/deploy/jms/jms-ds.xml

Javax.naming.NoInitialContextException: Cannot instantiate class:

I have written a client for my statleless ejb bean.The bea is deployed on weblogic server.when i am trying to access the bean through client with code
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
env.put(Context.PROVIDER_URL, "t3://localhost:8001");
InitialContext ic = new InitialContext(env);
following Exception is being thrown at runtime
E:\EJBTest>java example.Client
Exception in thread "main" javax.naming.NoInitialContextException: Cannot instantiate class: weblogic.jndi.WLInitial
ContextFactory [Root exception is java.lang.ClassNotFoundException: weblogic.jndi.WLInitialContextFactory]
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 example.Client.main(Client.java:23)
Caused by: java.lang.ClassNotFoundException: weblogic.jndi.WLInitialContextFactory
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.sun.naming.internal.VersionHelper12.loadClass(Unknown Source)
... 5 more
the Same program was woking fine earlier ..
Unable to locate the problem

Can anyone help on this ..
Thanks in advance..

Javax.naming.NoInitialContextException: Failed to create InitialContext usi

Hi All,
we are passing few messages from Peoplesoft--Weblogic----Notes, and then it returns from Lotus Notes---Weblogic---peoplesoft, but we're getting few java exceptions on the lotus notes side..........
can anyone help me out.
Java Exception Thrown
javax.naming.NoInitialContextException: Failed to create InitialContext using factory specified in hashtable {java.naming.provider.url=t3://managedserver1:8001, java.naming.factory.initial=weblogic.jndi.WLInitialContextFactory} [Root exception is java.lang.NullPointerException]
     at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:243)
     at javax.naming.InitialContext.initializeDefaultInitCtx(InitialContext.java:327)
     at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:357)
     at javax.naming.InitialContext.internalInit(InitialContext.java:295)
     at javax.naming.InitialContext.<init>(InitialContext.java:212)
     at DominoJMSQMessagePump.<init>(DominoJMSQMessagePump.java:43)
     at JavaAgent.NotesMain(JavaAgent.java:29)
     at lotus.domino.AgentBase.runNotes(Unknown Source)
     at lotus.domino.NotesThread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:235)

java_2006 wrote:
You can't access a jdbc pool like that (simply with a main method).
The Database connection pool must be managed by a container (a servlet or application server) like tomcat.
That is not entirely true but it certainly helps and is generally the only way it is used anyway so one might as well do it.

URGENT HELP NEEDED ... Tomcat Realm and JRE1.4 plug-in problem

I have tried the Security Realm of Tomcat. Since I do not have
an LDAP server, I decided to use the Tomcat-users.xml file in
Tomcat\conf directory.
I added the following lines of code in the web.xml file.
<security-constraint>
<web-resource-collection>
<web-resource-name>Entire Application</web-resource-name>
<url-pattern>/*</url-pattern>
</web-resource-collection>
<auth-constraint>

<role-name>webviewer</role-name>
</auth-constraint>
</security-constraint>
<login-config>
<auth-method>BASIC</auth-method>
<realm-name>Tomcat Manager Application</realm-name>
</login-config>
The <role-name> "webviewer" is added into "Tomcat-Users.xml" as the following:
<tomcat-users>
<user name="test" password="password" roles="webviewer" />
</tomcat-users>
So, now when we type the url: http://localhost:8080/adbpdbre/default.htm, TOMCAT shows a dialog box asking for UserName: and Password:Now, only when we give the username and password, it shows the page. This is exactly what we want.
But the problem now is, this default.htm page, has 5 links to 5 applets. The first time that I click on one of these links, the JRE plug of 1.4 shows a dialog again asking for the username and password. Till I dont provide the username and password the system doesnt go ahead and applet doesnt load. I do not want the JRE to ask me for the username/passwords again..How to avoid this ?
Can you give me some more information on this. Ultimately in the production usage, we will be using LDAP and not Tomcat's memory realm.
URGENT HELP NEEDED ... I need to get back to my client on this.
Help would be v. much appreciated.

In the config file, you 're essentially saying that you want Tomcat to prompt for usr/passw on every request (url-pattern = /*) made by a 'webviewer', and that's exactly what Tomcat is doing.
Consider using specific url-patterns & roles for resources to be protected. If for now, all you need is to protect the first page, use a more specific url-pattern.
Just an advice : if you'll be using LDAP in production, do not waste time with Tomcat's Security Realm and the BASIC authentication type, since the two have not much in common. Start reading doc on LDAP, and code a prototype, or even better, a vertical slice of the app (i.e a proof of concept).

URGENT HELP NEEDED - iPhone 3Gs no longer detected or charged by MacBook

My iPhone 3Gs (3.1) has been running fine, until several hours ago today, when I plugged it to my MacBook, the iPhone is no longer detected - it doesn't show up in iTunes, nor it is charged. I tried opening iPhoto, and it wasn't there too. Not with Image Capture too. I tried charging it using the out-of-box wall charger using the same out-of-box USB cable I use for MacBook, and it can be charged without any problem. Then I put it into Recovery mode, and there iTunes can see it. I don't want to restore it before I figure out exactly what went wrong, as I don't want the restore process somehow gets stuck in the middle that the connection is lost again.
I've tried reinstalled iTunes, including completely removal of Apple Mobile Device Support, as instructed by Apple. But still no luck.
I've tried switching to another USB port of my MacBook. No luck.
My iTunes is the latest 9.0.1, and my Mac OSX is 10.6.1. My iPhone is on 3.1, upgraded from 3.0.
I've read from web that it seems I'm not the only one out there having this problem. But none of them seem having any real working solution.
Urgent help needed & appreciated. Millions of thanks in advance.
Gary

1. I used both cables - theirs & mine ... and on several macs
2. yes, same cable for wall & mac
3. as said, i did completely remove & install itunes (incl. apple mobile device support), as instructed on the apple webpage
anyway, did a restore just now. it seems okay now. but the problem is i have no idea what cause this, and i can't replicate the problem. so i don't know when it will happen again ... maybe a bug with os 3.1 ... others on web said os 3.1 is quite buggy ...

Urgent help needed, can I restore N900 Backup file...

i owned a N900 (now sold out)
before selling i took backup of contacts from backup restore option in application section
now i bought a N8 but i m not able to restore my contacts
1. is there any way to restore them in N8?
2. if not, can i convert them in TEXT or any readable format
urgent help needed
thanks in advance

The backup procedures built into the phone are only designed for restoring to the same phone (ie: in case or data corruption, software update or repair etc.), they can't usually be used to restore to a phone with a different operating system.
You should have backed up with Ovi Suite before selling the N900, that would have been able to restore to the N8.

Javax.naming.NoInitialContextException! Urgent help needed

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