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Date: Thu, 13 Dec 2007 05:07:09 -0800 (PST)
From: pyaar <umadas2005@rediffmail.com>
To: torque-user@db.apache.org
Subject: Torque Runtime errors:-NoClassDefFoundError Exception
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HI all

I am trying to execute the bookstore application which is given in
http://db.apache.org/torque/releases/torque-3.1/tutorial/step4.html 
by executing the command java com.kazmier.Bookstore from my top level
directory, but some error crops up saying "Exception in thread main:
NoClassDefFoundError:org/apache/torque/om/persistent".Compilation is working
fine for me.As far as i know my classpath has been set properly, as when i
try to execute simple hellworld class in the same package ,it prints the
output, can somebody help me here.My Torque.properties file is as below:-

# Copyright 2001-2005 The Apache Software Foundation.
#
# Licensed under the Apache License, Version 2.0 (the "License")
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -------------------------------------------------------------------
# $Id: Torque.properties 239636 2005-08-24 12:38:09Z henning $
#
# This is the configuration file for Torque.
#
# Note that strings containing "," (comma) characters must backslash
# escape the comma (i.e. '\,')
#
# -------------------------------------------------------------------

torque.applicationRoot = .

# -------------------------------------------------------------------
#
#  L O G G I N G
#
# -------------------------------------------------------------------
# We use Log4J for all Torque logging and we embed the log4j
# properties within our application configuration.
# -------------------------------------------------------------------

# This first category is required and the category
# must be named 'default'. This is used for all logging
# where an explicit category is not specified.

log4j.category.org.apache.torque = ALL, org.apache.torque
log4j.appender.org.apache.torque = org.apache.log4j.FileAppender
log4j.appender.org.apache.torque.file =
${torque.applicationRoot}/logs/torque.log
log4j.appender.org.apache.torque.layout = org.apache.log4j.PatternLayout
log4j.appender.org.apache.torque.layout.conversionPattern = %d [%t] %-5p %c
- %m%n
log4j.appender.org.apache.torque.append = false

# -------------------------------------------------------------------
#
#  D E F A U L T S
#
# -------------------------------------------------------------------
#
# These values kick in, if you don't explicitly override them in your
# various database settings. At the moment they're only used if you
# configure the SharedPoolDataSourceFactory of the PerUserDataSourceFactory
# as your data source provider. It does not work with JNDI.
#
# The example is shown for SharedPoolDataSource.
#
# -------------------------------------------------------------------

# Time to wait for a connection to the database in milliseconds.
torque.defaults.pool.maxWait = 10000

# Maximum number of idle and active connections cached in a database
# definition.
# Note that, if you have multiple database definitions which access the
# same database URL, they don't share the connections but you have
# multiple pools and each has this maximum number. So if you have a
# connection licensed database engine, you must multiply this number by
# the number of times you use a specific database URL.
torque.defaults.pool.maxIdle = 8
torque.defaults.pool.maxActive = 10

# How often the pool is checked for connection which stayed in the pool
# for too long. Defaults to 5 minutes (5 * 60 * 1000)
# remove property if the idle object evictor should not be run
torque.defaults.pool.timeBetweenEvictionRunsMillis= 300000

# Lifetime of an idle connection in the pool in milliseconds.
# Defaults to one hour (1000 * 60 * 60)
torque.defaults.pool.minEvictableIdleTimeMillis = 3600000

# Sets the driver for the data sources.
torque.defaults.connection.driver =
com.microsoft.jdbc.sqlserver.SQLServerDriver

# Sets the URL for the datasources
torque.defaults.connection.url =
jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=bookstore;SelectMethod=cursor

# Sets login and password for the data sources.
torque.defaults.connection.user = user
torque.defaults.connection.password = password

# -------------------------------------------------------------------
#
#  T O R Q U E  P R O P E R T I E S
#
# -------------------------------------------------------------------
# These are your database settings. Look in the
# org.apache.torque.pool.* packages for more information.
#
# The parameters to connect to the default database.  You MUST
# configure these properly.
# -------------------------------------------------------------------

torque.database.default=bookstore
torque.database.bookstore.adapter=mssql

# # Using commons-dbcp
torque.dsfactory.bookstore.factory=org.apache.torque.dsfactory.SharedPoolDataSourceFactory
#
torque.dsfactory.bookstore.factory=org.apache.torque.dsfactory.PerUserPoolDataSourceFactory
torque.dsfactory.bookstore.pool.maxIdle=8
torque.dsfactory.bookstore.pool.maxActive=10
torque.dsfactory.bookstore.pool.testOnBorrow=true
torque.dsfactory.bookstore.pool.validationQuery=SELECT 1
torque.dsfactory.bookstore.connection.driver =
com.microsoft.jdbc.sqlserver.SQLServerDriver
torque.dsfactory.bookstore.connection.url =
jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=bookstore;SelectMethod=cursor
torque.dsfactory.bookstore.connection.user = user
torque.dsfactory.bookstore.connection.password = password


# # Using jndi
#
torque.dsfactory.bookstore.factory=org.apache.torque.dsfactory.JndiDataSourceFactory
# torque.dsfactory.bookstore.jndi.path=jdbc/bookstore
# torque.dsfactory.bookstore.jndi.java.naming.factory.initial =
org.apache.naming.java.javaURLContextFactory
# torque.dsfactory.bookstore.jndi.java.naming.factory.url.pkgs =
org.apache.naming

# torque.dsfactory.bookstore.datasource.dataSourceName=jdbc/DBbookstore
#
torque.dsfactory.bookstore.datasource.jndiEnvironment.java.naming.factory.initial
= org.apache.naming.java.javaURLContextFactory
#
torque.dsfactory.bookstore.datasource.jndiEnvironment.java.naming.factory.url.pkgs
= org.apache.naming
# torque.dsfactory.bookstore.datasource.maxIdle=8
# torque.dsfactory.bookstore.datasource.maxActive=10

# # ConnectionPoolDataSource
#
torque.dsfactory.bookstore.factory=org.apache.torque.dsfactory.JndiDataSourceFactory
# torque.dsfactory.bookstore.jndi.path=jdbc/DBbookstore
# torque.dsfactory.bookstore.jndi.java.naming.factory.initial =
org.apache.naming.java.javaURLContextFactory
# torque.dsfactory.bookstore.jndi.java.naming.factory.url.pkgs =
org.apache.naming
#
torque.dsfactory.bookstore.datasource.classname=org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS
# torque.dsfactory.bookstore.datasource.driver =
com.microsoft.jdbc.sqlserver.SQLServerDriver
# torque.dsfactory.bookstore.datasource.url =
jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=bookstore;SelectMethod=cursor
# torque.dsfactory.bookstore.datasource.user = user
# torque.dsfactory.bookstore.datasource.password = password

# Determines if the quantity column of the IDBroker's id_table should
# be increased automatically if requests for ids reaches a high
# volume.

torque.idbroker.clever.quantity=true

# Determines whether the managers cache instances of the business objects.
# And also whether the MethodResultCache will really cache results.

torque.manager.useCache = true
------------------------------------------------------------------------------------------------------

Bookstore.java file is as under


package com.kazmier;

import java.util.*;
import org.apache.torque.*;
import org.apache.torque.Torque;
import org.apache.torque.util.Criteria;
import org.apache.torque.om.Persistent;


public class BookStore
{
  public static void main(String[] args)
  {


    try
    {

      /*
       * Initializing Torque
       */
      Torque.init("Torque.properties");

      /*
       * Creating new objects.  These will be inserted
       * into your database automatically when the
       * save method is called.
       */
      Publisher addison = new Publisher();
      addison.setName("Addison Wesley Professional");
      addison.save();

      Author bloch = new Author();
      bloch.setFirstName("Joshua");
      bloch.setLastName("Bloch");
      bloch.save();

      /*
       * An alternative method to inserting rows
       * in your database.
       */
      Author stevens = new Author();
      stevens.setFirstName("W.");
      stevens.setLastName("Stevens");
      AuthorPeer.doInsert(stevens);

      /*
       * Using the convenience methods to handle
       * the foreign keys.
       */
      Book effective = new Book();
      effective.setTitle("Effective Java");
      effective.setISBN("0-618-12902-2");
      effective.setPublisher(addison);
      effective.setAuthor(bloch);
      effective.save();

      /*
       * Inserting the foreign-keys manually.
       */
      Book tcpip = new Book();
      tcpip.setTitle("TCP/IP Illustrated, Volume 1");
      tcpip.setISBN("0-201-63346-9");
      tcpip.setPublisherId(addison.getPublisherId());
      tcpip.setAuthorId(stevens.getAuthorId());
      tcpip.save();

      /*
       * Selecting all books from the database and
       * printing the results to stdout using our
       * helper method defined in BookPeer
       * (doSelectAll).
       */
      System.out.println("Full booklist:\n");
      List booklist = BookPeer.doSelectAll();
      printBooklist(booklist);

      /*
       * Selecting specific objects.  Just search for
       * objects that match this criteria (and print
       * to stdout).
       */
      System.out.println("Booklist (specific ISBN):\n");
      Criteria crit = new Criteria();
      crit.add(BookPeer.ISBN, "0-201-63346-9");
      booklist = BookPeer.doSelect(crit);
      printBooklist(booklist);

      /*
       * Updating data.  These lines will swap the
       * authors of the two books.  The booklist is
       * printed to stdout to verify the results.
       */
      effective.setAuthor(stevens);
      effective.save();

      tcpip.setAuthor(bloch);
      BookPeer.doUpdate(tcpip);

      System.out.println("Booklist (authors swapped):\n");
      booklist = BookPeer.doSelectAll();
      printBooklist(booklist);

      /*
       * Deleting data.  These lines will delete the
       * data that matches the specified criteria.
       */
      crit = new Criteria();
      crit.add(BookPeer.ISBN, "0-618-12902-2");
      BookPeer.doDelete(crit);

      crit = new Criteria();
      crit.add(BookPeer.ISBN, "0-201-63346-9");
      crit.add(BookPeer.TITLE, "TCP/IP Illustrated, Volume 1");
      BookPeer.doDelete(crit);

      /*
       * Deleting data by passing Data Objects instead of
       * specifying criteria.
       */
      AuthorPeer.doDelete(bloch);
      AuthorPeer.doDelete(stevens);
      PublisherPeer.doDelete(addison);

      System.out.println("Booklist (should be empty):\n");
      booklist = BookPeer.doSelectAll();
      printBooklist(booklist);
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }

  /*
   * Helper method to print a booklist to standard out.
   */
  private static void printBooklist(List booklist)
    throws Exception
  {
    Iterator i = booklist.iterator();
    while (i.hasNext())
    {
      Book book = (Book) i.next();
      System.out.println(book);
    }
  }
}
-- 
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