Below is the stacktrace when I run the sample program on WebLogic r10g:
java.lang.InternalError: erroneous handlers
at servlets.TestServlet.doGet(TestServlet.java:37)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(Stu
bSecurityHelper.java:227)
at
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHe
lper.java:125)
at
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:29
2)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at
weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:4
3)
at
weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilte
r.java:27)
at
weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:4
3)
at
weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.ru
n(WebAppServletContext.java:3496)
at
weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSub
ject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at
weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServl
etContext.java:2180)
at
weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletConte
xt.java:2086)
at
weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:
1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
public void doPost(HttpServletRequest request, HttpServletResponse
response)
throws ServletException, IOException {
response.setContentType("application/pdf");
try{
Document document = new Document();
PdfWriter.getInstance(document,
response.getOutputStream());
document.open();
document.add(new Paragraph("Hey there!!!"));
document.add(new Paragraph(new Date().toString()));
document.close();
} catch (DocumentException e){
e.printStackTrace();
}
}}
And below is the sample code:
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