Hamzah khammash

Hello ,
I am new to the Webservice i used wsgen tool to generate wsdl file and i have it now the problem is how i deploy it in tomcat ?
Initially i used Endpoint.publish to test my work now i need to publish it to tomcat
any help is welcomed

Hi Guys ,,
I want someone give me a hint about cashing the whole returned result set row by row to a map where is the key is the row index and value
is the whole row?
Help please

Hello ,
Is there a way to get a boolean value from the MYSQL database using JDBC using ResultSet.getObject() method
i know that there is ResultSet.getBoolean() but i don't want to use it because its need allot of code refactoring

Hi,
I have question about <security-constraint> element in case i have 2 <security-constrain> elements one of them have <auth-constraint> element and its cover all roles and the
other <security-constrain> have <auth-contraint/> elements with no role selected and both of them have the same resource and <url-patteren>
in this case which <security-constrain> will execute ?

Hello ,
I have table in database that its primary key is incremented from sequence now in my jpa code i need to delete the row but because the primary key at this stage is null i cann't get the row ,
so anyone have suggestions /

Alex Armenteros wrote:I get this exception every time and never search for it as my programs are all working correctly despite this error.

I solve it man , it happened because i give an name for <session-factory> and this wrong so just removed my name attribute and it works , i hope it work with you to.

Hi ,
i have face a strange thing , i created a JPA project with hibernate annotations implementation ,when i run the application it give me this 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(Unknown Source) at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source) at javax.naming.InitialContext.getURLOrDefaultInitCtx(Unknown Source) at javax.naming.InitialContext.getNameParser(Unknown Source) at org.hibernate.util.NamingHelper.bind(NamingHelper.java:75) at org.hibernate.impl.SessionFactoryObjectFactory.addInstance(SessionFactoryObjectFactory.java:113) at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:376) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1385) at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:954) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:891) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:57) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:48) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:32) at com.jpa.model.factory.ConnectionFactory.getEntityManager(ConnectionFactory.java:11)


and then get the data i want so what is happened here ?

here is the persistence.xml which is inside src/META-INF folder :
<?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="JPATester" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <class>com.jpa.model.entity.Course</class> <class>com.jpa.model.entity.Student</class> <class>com.jpa.model.entity.Phone</class> <properties> <property name="javax.persistence.jdbc.url" value="jdbc:oracle:thin:@192.168.2.11:1521:rdfbuild" /> <property name="javax.persistence.jdbc.user" value="HAMZAH" /> <property name="javax.persistence.jdbc.password" value="hamzah" /> <property name="javax.persistence.jdbc.driver" value="oracle.jdbc.OracleDriver" /> <property name="hibernate.ejb.cfgfile" value="hibernate.cfg.xml" /> </properties> </persistence-unit> </persistence>


and Hibernate.cfg.xml :
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory name="HibernateFactory"> <property name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property> <property name="hibernate.connection.url">jdbc:oracle:thin:@192.168.2.11:1521:rdfbuild</property> <property name="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</property> <property name="hibernate.connection.username">HAMZAH</property> <property name="hibernate.connection.password">hamzah</property> </session-factory> </hibernate-configuration>
I faced this problem before it caused by persistence not correctly named and didn't give any output but now is strange for me .

hello i have this exception Exception in thread "main" java.lang.IllegalArgumentException: Named query not found: select c from com.hibernate.Course c at org.hibernate.ejb.AbstractEntityManagerImpl.createNamedQuery(AbstractEntityManagerImpl.java:451) at com.main.MainTest.listDatabase(MainTest.java:22) at com.main.MainTest.main(MainTest.java:12)
in my code here is some file i used:
persistence.xml:
<?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="MainTest"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <class>com.hibernate.Course</class> <properties> <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost/TEST" /> <property name="javax.persistence.jdbc.user" value="root" /> <property name="javax.persistence.jdbc.password" value="password" /> <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" /> <property name="hibernate.ejb.cfgfile" value="hibernate.cfg.xml" /> <property name="hibernate.archive.autodetection" value="class, hbm" /> </properties> </persistence-unit> </persistence>
and hibernate.xml:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory> <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> <property name="hibernate.connection.url">jdbc:mysql://localhost/TEST</property> <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> <property name="hibernate.connection.username">root</property> <property name="hibernate.connection.password">password</property> <property name="hibernate.current_session_context_class">thread</property> </session-factory> </hibernate-configuration>
and main class:
package com.main; import javax.persistence.EntityManager; import javax.persistence.Query; import com.hibernate.ConnectionFactory; public class MainTest { public static void main(String[] args) { MainTest mainTest = new MainTest(); mainTest.listDatabase(); } public void listDatabase() { EntityManager em = ConnectionFactory.getPrimaryEM(); // em.persist(arg0); // em.merge(arg0); String queryString = "select c from com.hibernate.Course c"; javax.persistence.Query query = (Query) em .createNamedQuery(queryString).getResultList(); // List course = // Factory.getPrimaryEM().createQuery("from course").getResultList(); /* * List course = query.list(); Iterator iterator = course.iterator(); * while (iterator.hasNext()) { Course course1 = (Course) * iterator.next(); System.out.println(course1.getCourseId()); * System.out.println(course1.getCourseName()); } */ } }
so what is happened and how can o solve this ?

Hello , i am new to hibernate and this stuff ,i try to code a student-course example hibernate but always got a set of exception
this are the exception i will but the hibernate.cfg.xml file and the main class and factory class and hope somebody helps me in this example i used Mysql database:
Jan 25, 2012 5:46:42 PM org.hibernate.annotations.common.Version <clinit> INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final} Jan 25, 2012 5:46:42 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {4.0.0.Final} Jan 25, 2012 5:46:42 PM org.hibernate.cfg.Environment <clinit> INFO: HHH000206: hibernate.properties not found Jan 25, 2012 5:46:42 PM org.hibernate.cfg.Environment buildBytecodeProvider INFO: HHH000021: Bytecode provider name : javassist Jan 25, 2012 5:46:42 PM org.hibernate.cfg.Configuration configure INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml Jan 25, 2012 5:46:42 PM org.hibernate.cfg.Configuration getConfigurationInputStream INFO: HHH000040: Configuration resource: /hibernate.cfg.xml Jan 25, 2012 5:46:42 PM org.hibernate.internal.util.xml.XMLHelper$ErrorLogger error ERROR: HHH000197: Error parsing XML: /hibernate.cfg.xml(2) Content is not allowed in prolog. Initial SessionFactory creation failed.org.hibernate.HibernateException: Could not parse configuration: /hibernate.cfg.xml Exception in thread "main" java.lang.ExceptionInInitializerError at com.hibernate.Factory.<clinit>(Factory.java:17) at com.main.MainTest.listDatabase(MainTest.java:23) at com.main.MainTest.main(MainTest.java:18) Caused by: org.hibernate.HibernateException: Could not parse configuration: /hibernate.cfg.xml at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2010) at org.hibernate.cfg.AnnotationConfiguration.doConfigure(AnnotationConfiguration.java:201) at org.hibernate.cfg.AnnotationConfiguration.doConfigure(AnnotationConfiguration.java:46) at org.hibernate.cfg.Configuration.configure(Configuration.java:1922) at org.hibernate.cfg.AnnotationConfiguration.configure(AnnotationConfiguration.java:183) at org.hibernate.cfg.AnnotationConfiguration.configure(AnnotationConfiguration.java:46) at org.hibernate.cfg.Configuration.configure(Configuration.java:1901) at org.hibernate.cfg.AnnotationConfiguration.configure(AnnotationConfiguration.java:177) at com.hibernate.Factory.<clinit>(Factory.java:12) ... 2 more Caused by: org.dom4j.DocumentException: Error on line 2 of document : Content is not allowed in prolog. Nested exception: Content is not allowed in prolog. at org.dom4j.io.SAXReader.read(SAXReader.java:482) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2002) ... 10 more
here is the factory class which is the factory of SessionFactory import org.hibernate.SessionFactory; import org.hibernate.cfg.AnnotationConfiguration; @SuppressWarnings("deprecation") public class Factory { private static final SessionFactory sessionFactory; static { try { // Create the SessionFactory from hibernate.cfg.xml sessionFactory = new AnnotationConfiguration().configure() .buildSessionFactory(); } catch (Throwable ex) { // Make sure you log the exception, as it might be swallowed System.err.println("Initial SessionFactory creation failed." + ex); throw new ExceptionInInitializerError(ex); } } public static SessionFactory getSessionFactory() { return sessionFactory; } }
and my main class is : package com.main; import java.util.Iterator; import java.util.List; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import com.hibernate.Course; import com.hibernate.Factory; import com.hibernate.Student; public class MainTest { public static void main(String[] args) { MainTest mainTest = new MainTest(); mainTest.listDatabase(); } public void listDatabase() { SessionFactory session = Factory.getSessionFactory(); Session session1 = session.getCurrentSession(); Transaction transaction = session1.beginTransaction(); List course = session1.createQuery("from course").list(); Iterator iterator = course.iterator(); while (iterator.hasNext()) { Course course1 = (Course) iterator.next(); System.out.println(course1.getCourseId()); System.out.println(course1.getCourseName()); transaction.commit(); } } } and my XML File is - <hibernate-configuration> - <session-factory> - <!-- Database connection settings --> <property name="connection.driver_class">org.postgresql.Driver</property> <property name="connection.url">jdbc:postgresql://localhost:3306/Hibernate </property> <property name="connection.username">root</property> <property name="connection.password">4896558</property> - <!-- JDBC connection pool (use the built-in) --> <property name="connection.pool_size">1</property> - <!-- SQL dialect --> <property name="dialect">org.hibernate.dialect.PostgreSQLDialect </property> - <!-- Disable the second-level cache --> <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider </property> - <!-- Echo all executed SQL to stdout --> <property name="show_sql">true</property> - <!-- Drop and re-create the database schema on startup --> <property name="hbm2ddl.auto">create</property> - <!-- Names the annotated entity class --> <mapping class="com.hibernate.Student" /> <mapping class="com.hibernate.Course" /> </session-factory> </hibernate-configuration>
so any help will be appropriated .

Hello ,
I am creating simple multithread call center application server received messages from clients with there IDs and response for each one independently i mean when server is send message to client1 client2 connot see it and same to client 2 ,my problem is when i send or received messages it not sent directly it wait until all clients and server to send then it do send and receive process i will put the code of server , client code didn't contain anything special
import java.io.PrintWriter; import java.net.ServerSocket; import java.net.Socket; import java.util.HashMap; import java.util.Map; import java.util.Random; import java.io.IOException; public class Server { private int port = 5878; private ServerSocket serverSocket; private Socket socket; HashMap<Integer, Socket> map = new HashMap<Integer, Socket>(); PrintWriter writer; int clientCode = 0; ServerThread severServerThread; public Server() throws IOException { serverSocket = new ServerSocket(port); System.out.println("waiting For connection on this port " + " " + port); while (true) { socket = serverSocket.accept(); new ServerThread(socket).start(); } } public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException { Server server = new Server(); // server.invokingMethod(); } }
server thread code :
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.Socket; import java.util.HashMap; import java.util.Map; import java.util.Random; class ServerThread extends Thread { Socket socket = null; HashMap<Integer, Socket> map = new HashMap<Integer, Socket>(); BufferedReader inputStream; BufferedWriter outputStream; BufferedWriter bufferedWriter; BufferedReader inputSt; int clientCode = 0; public ServerThread(Socket clientSocket) { this.socket = clientSocket; Random random = new Random(); clientCode = Math.abs(random.nextInt()); } public synchronized void run() { try { inputStream = new BufferedReader(new InputStreamReader( socket.getInputStream())); outputStream = new BufferedWriter(new OutputStreamWriter( socket.getOutputStream())); outputStream.flush(); inputSt = new BufferedReader(new InputStreamReader(System.in)); processing(); } catch (Exception e) { e.printStackTrace(); } } public void add(Integer clientCode) { map.put(clientCode, socket); } public void processing() throws IOException, ClassNotFoundException, InterruptedException { System.out.println("Client with ClientCode " + clientCode + " " + "Connected"); add(clientCode); String message = "Connected Succefully"; send(message); } public synchronized void send(String message) throws IOException, ClassNotFoundException, InterruptedException { while (true) { message = inputSt.readLine(); outputStream.write(message); outputStream.newLine(); outputStream.flush(); outputStream.flush(); outputStream.flush(); outputStream.flush(); Thread.sleep(1000); recive(); } } public void recive() throws IOException, ClassNotFoundException { System.out.println("message from client: " + clientCode + ">>>" + inputStream.readLine()); outputStream.flush(); } public void invokingMethod() throws IOException, ClassNotFoundException, InterruptedException { processing(); close(clientCode); } public int getclientCode() { return clientCode; } public void close(int clientCode) throws IOException, ClassNotFoundException { System.out.println("The Client is disconnected"); inputSt.close(); inputStream.close(); outputStream.close(); socket.close(); } }

Hello , <?xml version="1.0" encoding="UTF-8"?> <School name="Aloroba" > <class id ="1"> <Name>math</Name> <Student id="1"> <Name>Hamzah</Name> <Address> <id>1441</id> </Address> </Student > <Student id="2"> <Name>khammash</Name> <Address> <id>1442</id> </Address> </Student> <Student id="3"> <Name>Hani</Name> <Address> <id>1443</id> </Address> </Student> <Student id="4"> <Name>kim</Name> <Address> <id>1445</id> </Address> </Student> <Student id="5"> <Name>Viper</Name> <Address> <id>14454</id> </Address> </Student> </class> <class id="2"> <Name>phisics</Name> <Student id="1"> <Name>Hamzah</Name> <Address> <id>14421</id> </Address> </Student> <Student id="2"> <Name>khammash</Name> <Address> <id>144213</id> </Address> </Student> <Student id="3"> <Name>Hani</Name> <Address> <id>144151</id> </Address> </Student> <Student id="4"> <Name>kim</Name> <Address> <id>1442131</id> </Address> </Student> <Student id="5"> <Name>Viper</Name> <Address> <id>144121312</id> </Address> </Student> </class> <class id="3"> <Name>Java</Name> <Student id="1"> <Name>Hamzah</Name> <Address> <id>144213213</id> </Address> </Student> <Student id="2"> <Name>khammash</Name> <Address> <id>144871</id> </Address> </Student> <Student id="3"> <Name>Hani</Name> <Address> <id>1441879</id> </Address> </Student> <Student id="4"> <Name>kim</Name> <Address> <id>144189798</id> </Address> </Student> <Student id="5"> <Name>Viper</Name> <Address> <id>1441454</id> </Address> </Student> </class> </School>
Java code :
import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.jdom.Document; import org.jdom.Element; import org.jdom.JDOMException; import org.jdom.input.SAXBuilder; // TODO: Auto-generated Javadoc /** * The Class PlayWithJDom. */ public class PlayWithJDom { /** The cls. */ static Classe cls = new Classe(); /** The school. */ static School school = new School(); /** The xml file. */ static File xmlFile; /** The builder. */ static SAXBuilder builder; /** * The main method. * * @param args * the arguments * @throws JDOMException * the jDOM exception * @throws IOException * Signals that an I/O exception has occurred. */ public static void main(String[] args) throws JDOMException, IOException { builder = new SAXBuilder(); xmlFile = new File( "C:\\Users\\h.khammash\\Desktop\\Studening workspace\\XMLParsing\\Schools.xml"); readXml(); System.out.println(school.getName()); } /** * Read xml. */ public static void readXml() { try { Document document = (Document) builder.build(xmlFile); Element rootNode = document.getRootElement(); String schoolName = rootNode.getAttribute("name").getValue(); school.setName(schoolName); List list = rootNode.getChildren("class"); for (int i = 0; i < list.size(); i++) { Element node = (Element) list.get(i); String classid = node.getAttribute("id").getValue(); String name = node.getChildText("Name"); System.out.println("Class ID: " + classid); System.out.println("Name: " + name); List list1 = node.getChildren("Student"); for (int j = 0; j < list1.size(); j++) { Element node1 = (Element) list1.get(j); String sid = node1.getAttribute("id").getValue(); String sname = node1.getChildText("Name"); System.out.println("Student ID: " + sid); System.out.println("Student Name: " + sname); List list2 = node1.getChildren("Address"); for (int k = 0; k < list2.size(); k++) { Element node2 = (Element) list2.get(k); String saddress = node2.getChildText("id"); System.out.println("Address: " + saddress); } } } } catch (Exception e) { System.out.println("Execption " + e.getMessage()); } } }
i have xml file above and 4 classes school ,classe ,student,address and the above class i need a way to put xml constants to java objects for these class ?

Jesper de Jong wrote:There is documentation on how to use JDOM, including examples, on the website: http://www.jdom.org/downloads/docs.html

sorry but can you check my XML File because when i run it ,give me a spaces for a tags .

<?xml version="1.0" encoding="UTF-8"?> <School> <Name>Hamzah</Name> <class id ="1"> <Name>Alsharef Husain</Name> <Student id="1"> <Name>Hamzah</Name> <Address> <id>1441</id> </Address> </Student > <Student id="2"> <Name>khammash</Name> <Address> <id>1442</id> </Address> </Student> <Student id="3"> <Name>Hani</Name> <Address> <id>1443</id> </Address> </Student> <Student id="4"> <Name>kim</Name> <Address> <id>1445</id> </Address> </Student> <Student id="5"> <Name>Viper</Name> <Address> <id>14454</id> </Address> </Student> </class> <class id="2"> <Name>HSJAH</Name> <Student id="1"> <Name>Hamzah</Name> <Address> <id>14421</id> </Address> </Student> <Student id="2"> <Name>khammash</Name> <Address> <id>144213</id> </Address> </Student> <Student id="3"> <Name>Hani</Name> <Address> <id>144151</id> </Address> </Student> <Student id="4"> <Name>kim</Name> <Address> <id>1442131</id> </Address> </Student> <Student id="5"> <Name>Viper</Name> <Address> <id>144121312</id> </Address> </Student> </class> <class id="3"> <Name>kshdas;d</Name> <Student id="1"> <Name>Hamzah</Name> <Address> <id>144213213</id> </Address> </Student> <Student id="2"> <Name>khammash</Name> <Address> <id>144871</id> </Address> </Student> <Student id="3"> <Name>Hani</Name> <Address> <id>1441879</id> </Address> </Student> <Student id="4"> <Name>kim</Name> <Address> <id>144189798</id> </Address> </Student> <Student id="5"> <Name>Viper</Name> <Address> <id>1441454</id> </Address> </Student> </class> </School>