Java EE (Java Enterprise Edition) General Discussion

Hi folks,

I am using iText for PDF report generation, I am new to this API, I just included a snippet of code to check wheather it's running properly or not.

when i did the build it's compiled properly without errors, i deployed the web application into WebLogic application server. When i am accessing the URL it's giving the follwing exception.

"Error 500--Internal Server Error
java.lang.NoClassDefFoundError: com/lowagie/text/DocumentException
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
at java.lang.Class.getConstructor0(Class.java:1930)
at java.lang.Class.newInstance0(Class.java:278)
at java.lang.Class.newInstance(Class.java:261)
at weblogic.servlet.internal.ServletStubImpl$ServletInitAction.run(ServletStubImpl.java:1092)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java:970)
at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.java:949)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:888)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:598)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:406)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:348)
at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:322)
at com.fanniemae.cs.ecom.presentation.servlet.EcomRequestRouter.service(EcomRequestRouter.java:346)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:463)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:348)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6981)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183) "

Can anyone help me on this please?

the code i included is as follows:



Document doc = new Document();

try {
PdfWriter writer = PdfWriter.getInstance(doc, response.getOutputStream());
doc.open();
doc.add(new Paragraph("Hello World"));
doc.close();


} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Thanks,