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Thread: "org.hibernate.Session" ClassNotFoundException

  1. #1
    Junior Member talha06's Avatar
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    Default [SOLVED] "org.hibernate.Session" ClassNotFoundException

    Hello to all,

    Despite I added all necessary .jar files to project, I always take boring exception warnings that say "class not found". I added the code and exception output below. I'll be so happy if someone can help me.

    Thanks in advance..
    With regards,
    T
    -----------------------------------------------------
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    		// TODO Auto-generated method stub
    		KisiHelper kh = new KisiHelper();  // ======> *Exception Warning!!!*
    		try {			
    			JSONArray arr = kh.getAll();
    			response.getWriter().write(arr.toString());
    		} catch(Exception e) {
    			e.printStackTrace();
    		}
    	}
    ---------------------------------------------------------
    public class KisiHelper {
     
    	public JSONArray getAll() {	
    		JSONArray arr = null;
     
    		try {
    			System.out.println("KisiHelper calisti..");
    			SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
    			Session session = sessionFactory.openSession();
    			Transaction transaction = session.beginTransaction();
    			String hql = "from Kisi";
    		    Query query = session.createQuery(hql);
    		    List<Kisi> list = query.list();
    			List<Kisi> kisiList = list;
    		    arr = JSONArray.fromObject(kisiList);
    		    transaction.commit();
    		    session.close();
    		} catch(Exception e) {
    			e.printStackTrace();
    		}
    		return arr;
    	}
    }
    ----------------------------------------------------------------
    *Exception:*

    java.lang.ClassNotFoundException: org.hibernate.Session
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
    	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
           *at servlets.tabloDoldur.doGet(tabloDoldur.java:34)*
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    	at java.lang.Thread.run(Thread.java:619)
    Last edited by talha06; February 28th, 2010 at 12:29 PM. Reason: Solved..


  2. #2
    Junior Member talha06's Avatar
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    Default Re: "org.hibernate.Session" ClassNotFoundException

    thanx everyone who read my topic. Eventually the solution was found. I want to share the solution here, maybe it can help others. The problem was occured because of wrong build path. JAR files must be in WEB-INF folder. This is the point here.
    Thanx everyone,
    T

  3. #3
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    Default Re: "org.hibernate.Session" ClassNotFoundException

    Thank you so much, it took me over a week because of this stupid error

  4. #4
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    Default Re: "org.hibernate.Session" ClassNotFoundException

    Thank you!! =)

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