Jndi connection parameters for deplyoing ejb

Hi All,
I am new to ejbs.I am trying to deploy session bean to jboss3.2.7 app server.Can anyone please let me know how should i pass jndi connection parameters in the client side code.In some tutorials i have seen that jndi.properties file has to be in the classpath but they didn't provide contents of it .Can anyone please let me know the solution.

Hello SoumyaSoma,
Please find some code cnippet I use to connect to JBoss Server. you do not need jndi.properties file.
String url = "jnp://localhost:1099";
Properties h = new Properties();
h.put (Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
h.put ("java.naming.factory.url.pkgs", "org.jboss.naming:org.jnp.interfaces");
h.put (Context.PROVIDER_URL, url);
Context ctx = new InitialContext(h);
See the weblink for more information also.
http://www.huihoo.com/jboss/online_manual/3.0/ch01s15.html
Thanks and regards,
Pazhanikanthan. P

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package com.ba.cdLookup.manager;
import com.ba.cdLookup.exception.CDLookupException;
import com.ba.cdLookup.server.CdLookupProperties;
import java.util.Vector;
import javax.naming.Context;
import javax.naming.NamingException;
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     } catch (Exception e) {
         String errMsg = "CDLdapBuilder connect() - failure while releasing connection "
              + " Exception is " + e.toString();
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     String methodIdentifier = "run";
     try {
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         log.error(methodIdentifier + " " + ie.getStackTrace());
     * @param connectionPool
     * @return
     * Thread
    public static Thread getInstance() {
     if(houseKeeperThread==null){
         houseKeeperThread = new HouseKeeperThread();
     return houseKeeperThread ;
package com.ba.cdLookup.manager;
import com.ba.cdLookup.exception.CDLookupException;
import com.ba.cdLookup.server.CdLookupProperties;
import com.ba.cdwebservice.schema.cdLookupPacket.LookupFailureReasons;
import java.util.Properties;
import java.util.Vector;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
* ConnectionPool class manages, allocates LDAP connections. It works as a lazy
* binder and retrieves connections only when required. It doesn't allow
* connection greater then the maximum connection stated.
* To retrieve a connection the singelton method getConnectionPool is to used,
* which retruns thread safe singleton object for the connection.
public class ConnectionPool implements Runnable {
    private int initialConnections = 0;
    private int maxConnections = 0;
    private boolean waitIfBusy = false;
    private Vector availableConnections, busyConnections;
    private boolean connectionPending = false;
    private static int threadCount = 0;
         * classIdentifier
    private final String classIdentifier = "ConnectionPool";
         * Apache Logger to log erro/info/debug statements.
    protected static org.apache.commons.logging.Log log = org.apache.axis.components.logger.LogFactory
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         * <p>
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//      this.maxConnections = 5;
//      this.initialConnections = 1;
//      this.waitIfBusy = true;
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     availableConnections = new Vector(maxConnections);
     busyConnections = new Vector(maxConnections);
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         availableConnections.add(makeNewConnection());
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         * @return ConnectionPool Returns singleton object of ConnectionPool
         *         class.
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     private static ConnectionPool getInstance() throws CDLookupException {
         if (connectionPool == null) {
          connectionPool = new ConnectionPool();
          new Thread(connectionPool).start();
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          HouseKeeperThread.getInstance().start();
         return connectionPool;
         * Returns singleton object of ConnectionPool class.
         * @return ConnectionPool
         * @throws CDLookupException
    public static ConnectionPool getConnectionPool() throws CDLookupException {
     return ConnectionPoolHolder.getInstance();
         * getConnection retrieves connections to the corp directory. In case
         * there is no available connections in the pool then it'll try to
         * create one, if the max connection limit for the connection pool
         * reaches then this waits to retrieve one.
         * @return Context
         * @throws CDLookupException
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     String methodIdentifier = "getConnection";
     if (!availableConnections.isEmpty()) {
         int connectionSize = availableConnections.size() - 1;
         DirContext existingConnection = (DirContext) availableConnections
              .get(connectionSize);
         availableConnections.remove(connectionSize);
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                 * out), then remove it from available list and repeat the
                 * process of obtaining a connection. Also wake up threads that
                 * were waiting for a connection because maxConnection limit was
                 * reached.
         if (existingConnection == null) {
          notifyAll(); // Freed up a spot for anybody waiting
          return (getConnection());
         } else {
          busyConnections.add(existingConnection);
          return (existingConnection);
     } else {
                 * Three possible cases: 1) You haven't reached maxConnections
                 * limit. So establish one in the background if there isn't
                 * already one pending, then wait for the next available
                 * connection (whether or not it was the newly established one).
                 * 2) You reached maxConnections limit and waitIfBusy flag is
                 * false. Throw SQLException in such a case. 3) You reached
                 * maxConnections limit and waitIfBusy flag is true. Then do the
                 * same thing as in second part of step 1: wait for next
                 * available connection.
         if ((totalConnections() < maxConnections) && !connectionPending) {
          makeBackgroundConnection();
         } else if (!waitIfBusy) {
          throw new CDLookupException("Connection limit reached", 0);
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                 * called makeBackgroundConnection) or for an existing
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         try {
          wait();
         } catch (InterruptedException ie) {
          String errMsg = "Exception raised =" + ie.getStackTrace();
          log.error(errMsg);
          throw new CDLookupException(classIdentifier, methodIdentifier,
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         return (getConnection());
         * You can't just make a new connection in the foreground when none are
         * available, since this can take several seconds with a slow network
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         * connection, then wait. You get woken up either when the new
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         * connection.
    private void makeBackgroundConnection() {
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     try {
         Thread connectThread = new Thread(this);
         log.debug("background thread created");
         connectThread.start();
     } catch (OutOfMemoryError oome) {
         log.error("makeBackgroundConnection ="+ oome.getStackTrace());
         * Thread run method
    public void run() {
     String methodIdentifier = "run";
     try {
         Context connection = makeNewConnection();
         synchronized (this) {
          availableConnections.add(connection);
          connectionPending = false;
          notifyAll();
     } catch (Exception e) { // SQLException or OutOfMemory
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         String errMsg = "Exception raised =" + e.getStackTrace();
         log.error(errMsg);
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         * running.
         * @return Context
         * @throws CDLookupException
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     String methodIdentifier = "makeNewConnection";
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     env = new Properties();
     log.debug("inside " + methodIdentifier);
     try {
         env.put(Context.INITIAL_CONTEXT_FACTORY,
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         env.put(Context.PROVIDER_URL, getLdapServerUrl());
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         String errMsg = "CDLdapBuilder connect() - failure while attempting to contact "
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         * @param context
    public synchronized void free(Context context) {
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     availableConnections.add(context);
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         * @return int give total no of avail connections.
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     closeConnections(availableConnections);
     availableConnections = new Vector();
     closeConnections(busyConnections);
     busyConnections = new Vector();
         * Close all connections existing.
         * @param connections
         *                void
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     String methodIdentifier = "closeConnections";
     try {
         for (int i = 0; i < connections.size(); i++) {
          Context context = (Context) connections.get(i);
          if (context != null) {
              log.info(" connection name:" + context
                   + " removed. Threadcount =" + (threadCount++));
              context.close();
              context = null;
     } catch (NamingException e) {
         String errMsg = "CDLdapBuilder connect() - failure while attempting to contact "
              + ldapServerUrl + " Exception is " + e.toString();
         log.error(errMsg);
    public synchronized String toString() {
     String info = "ConnectionPool(" + getLdapServerUrl() + ","
          + getVendorContextFactoryClass() + ")" + ", available="
          + availableConnections.size() + ", busy="
          + busyConnections.size() + ", max=" + maxConnections;
     return (info);
         * @return the defaultSearchBase
    public final String getDefaultSearchBase() {
     return defaultSearchBase;
         * @param defaultSearchBase
         *                the defaultSearchBase to set
    public final void setDefaultSearchBase(String defaultSearchBase) {
     this.defaultSearchBase = defaultSearchBase;
         * @return the ldapServerUrl
    public final String getLdapServerUrl() {
     return ldapServerUrl;
         * @param ldapServerUrl
         *                the ldapServerUrl to set
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     this.ldapServerUrl = ldapServerUrl;
         * @return the vendorContextFactoryClass
    public final String getVendorContextFactoryClass() {
     return vendorContextFactoryClass;
         * @param vendorContextFactoryClass
         *                the vendorContextFactoryClass to set
    public final void setVendorContextFactoryClass(
         String vendorContextFactoryClass) {
     this.vendorContextFactoryClass = vendorContextFactoryClass;
     * @return the availableConnections
    public final Vector getAvailableConnections() {
        return availableConnections;
}

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<Parameter name="context.param.name" value="context.param.value"
override="false"/>
<Resource name="jdbc/EmployeeAppDb" auth="SERVLET"
type="javax.sql.DataSource"/>
<Resource name="jdbc/TestDB"
     auth="Container"
     type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/TestDB">
<parameter>
     <name>factory</name>
     <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
     </parameter>
     
     <parameter>
     <name>maxActive</name>
     <value>100</value>
     </parameter>
     
     <parameter>
     <name>maxIdle</name>
     <value>30</value>
     </parameter>
     
     <parameter>
     <name>maxWait</name>
     <value>10000</value>
     </parameter>

<parameter>
<name>user</name>
<value>javauser</value>
</parameter>
<parameter>
<name>password</name>
<value>javadude</value>
</parameter>

<parameter>
<name>driverClassName</name>
<value>org.gjt.mm.mysql.Driver</value>
</parameter>

     <parameter>
     <name>url</name>
     <value>jdbc:mysql://localhost:3306/javatest?autoReconnect=true</value>
</parameter>
</ResourceParams>
<Resource name="mail/Session" auth="Container"
type="javax.mail.Session"/>
<ResourceParams name="mail/Session">
<parameter>
<name>mail.smtp.host</name>
<value>localhost</value>
</parameter>
</ResourceParams>
<ResourceLink name="linkToGlobalResource"
global="simpleValue"
type="java.lang.Integer"/>
</Context>
</Host>
</Engine>
</Service>



</Server>
Pleas4 help!!!

you have your driver jar in Tomcat\common\lib?
if so, check your classpath, it could be that.

Crystal Reports 2008 - Eclipse and JNDI connection.

I am evaluting Crystal Reports 2008 .
I want to use JNDI connection that is defined within my app server by Crystal reports so that I'll have better control of the properties defined.
How do I set up JNDI data source connection in Crystal Reports 2008 ?
I defined the following parameters u2026
                JNDI Provider URL : jnp://localhost:1099
                Initla Context as : org.jnp.interfaces.NamingContextFactory
And user name / password as defined in JBoss setup
I also have u201Cjboss\client\jbossall-client.jaru201D in the classpath .
But I am getting Cannot instantiate class exception .
Thanks in Advance for the help.

Mr. Ted, We can expose JNDI connections from the appserver. Infact the database connection pool resoures are exposed as JNDI resources, JMS factory and connections are exposed as JNDI etc.
In fact, JNDI is a means of securely exposing the resources managed by the app server to be used by trusted clients.
We have achieved this on weblogic (8.1 - JDK 1.4.2) but we would like to replicate the same in glassfish app server ver 3.1.2 and would require the proper factory placed inside the rpt as well as the CRConfig.xml.
Otherwise, (if we are using conventional URL string) when we ship the rpt files, we need to place this only as localhost. This mandates the presence of rpt files to be in the same server as database server and database. We want to avaoid this by creating a JNDI and use that database access resource inside the rpt files.

Jndi connection parameters for deplyoing ejb

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