Java ServletException.printStackTrace方法代码示例

import javax.servlet.ServletException; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    o = (Options) request.getSession().getAttribute("options");
    v = (Votes) request.getSession().getAttribute("votes");

    response.setContentType("text/html; charset=ISO-8859-1");

    request.getSession().setAttribute("options", o);
    request.getSession().setAttribute("votes", v);

    try {
        request.getRequestDispatcher("result.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
        response.sendRedirect("error");
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws
        ServletException, IOException {
    response.setContentType("text/html; charset=ISO-8859-1");
    if (haveCookies(request)) {
        String fname = findCookies(request, "fname");
        String lname = findCookies(request, "lname");

        System.out.println("doGet " + fname + " " + fname);

        request.getSession().setAttribute("fname", fname);
        request.getSession().setAttribute("lname", lname);
    }

    try {
        request.getRequestDispatcher("register.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
/**
 * Returns the list of asteroids to iterate over
 * 
 * @return list of asteroids
 * @throws ServletException
 */
public ArrayList<Asteroid> listAsteroids() throws ServletException
{
	try
	{
		return db.getAsteroidsFromDatabase();
	} catch (ServletException e)
	{
		e.printStackTrace();
	}
	return null;
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
/**
 *  Override process method to catch the infamous BeanUtils.populate exception, which is thrown when a
 *  session has timed out. The problem is that we can't return a forward from here, so we probably have to
 *  create a new exception and catch it elsewhere (but where?).
 *
 * @param  request               Description of the Parameter
 * @param  response              Description of the Parameter
 * @exception  ServletException  Description of the Exception
 * @exception  IOException       Description of the Exception
 */
public void process(HttpServletRequest request, HttpServletResponse response)
	 throws ServletException, IOException {
	// prtln("PROCESS");

	/*
		here is the place (before the request is acted upon by any other class)
		to explicitly set the encoding of the request. The is necessary ONLY if
		the content-type/charset of the page containing a form has been set to UTF:
			<%@ page contentType="text/html; charset=UTF-8" %>
		In this case, the input from the form (i.e., the request params) are garbled
		if the request encoding is not also set to UTF-8 as below.
		NOTE: if the content-type/charset is NOT explicitly set, then setting the request
		encoding to UTF-8 as below will also garble the input!!
	*/
	// set request encoding to UTF-8
	try {
		request.setCharacterEncoding("UTF-8");
	} catch (Throwable t) {
		t.printStackTrace();
	}
	// prtln ("request encoding: " + request.getCharacterEncoding());

	try {
		super.process(request, response);
	} catch (ServletException e) {
		prtln("process caught exception: " + e.getMessage());
		if ("BeanUtils.populate".equals(e.getMessage())) {
			handleBeanUtilsPopulateError(request, response);
		}
		else {
			e.printStackTrace();
			throw e;
		}
	}
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
private void setupAndAddTestTomcat(int i) {
	Tomcat testTomcat = new Tomcat();
	testTomcat.setPort(0);
	testTomcat.setBaseDir(testWorkingDir);
	Context context;
	try {
		context = testTomcat.addWebapp(CONTEXT, testWorkingDir);
		testTomcat.getEngine().setName("Catalina" + i);
		TestServlet testServlet = new TestServlet();
		testServlet.setId(i);
		testTomcat.addServlet(CONTEXT, "notFoundServlet", new NotFoundServlet());
		testTomcat.addServlet(CONTEXT, "timeoutStatusServlet", new TimeoutStatusServlet());
		testTomcat.addServlet(CONTEXT, "timeoutingServlet", new SlowTimeoutingServlet());
		testTomcat.addServlet(CONTEXT, "restServlet", testServlet);
		context.addServletMappingDecoded("/rest/" + ENDPOINT, "restServlet");
		context.addServletMappingDecoded("/rest/" + ENDPOINT + "/*", "restServlet");
		context.addServletMappingDecoded("/rest/" + NOT_FOUND_ENDPOINT, "notFoundServlet");
		context.addServletMappingDecoded("/rest/" + NOT_FOUND_ENDPOINT + "/*", "notFoundServlet");
		context.addServletMappingDecoded("/rest/" + TIMEOUT_STATUS_ENDPOINT, "timeoutStatusServlet");
		context.addServletMappingDecoded("/rest/" + TIMEOUT_STATUS_ENDPOINT + "/*", "timeoutStatusServlet");
		context.addServletMappingDecoded("/rest/" + TIMEOUTING_ENDPOINT, "timeoutStatusServlet");
		context.addServletMappingDecoded("/rest/" + TIMEOUTING_ENDPOINT + "/*", "timeoutStatusServlet");
		testTomcats.add(testTomcat);
	} catch (ServletException e) {
		e.printStackTrace();
	}
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
public static void main(String[] args) {

    DeploymentInfo servletBuilder
        = Servlets.deployment()
                  .setClassLoader(MainVaadin.class.getClassLoader())
                  .setContextPath(CONTEXT_PATH)
                  .setDeploymentName("ROOT.war")
                  .setDefaultEncoding("UTF-8")
                  .addServlets(
                      servlet(
                          MainServlet.class.getSimpleName(),
                          MainServlet.class).addMapping("/*")
                  );

    DeploymentManager manager = Servlets
        .defaultContainer()
        .addDeployment(servletBuilder);

    manager.deploy();

    try {
      HttpHandler httpHandler = manager.start();
      PathHandler path = Handlers.path(redirect(CONTEXT_PATH))
                                 .addPrefixPath(CONTEXT_PATH, httpHandler);

      Undertow undertowServer = Undertow.builder()
                                        .addHttpListener(8080, "0.0.0.0")
                                        .setHandler(path)
                                        .build();
      undertowServer.start();

      undertow = Result.success(undertowServer);

      undertowServer.getListenerInfo().forEach(System.out::println);

    } catch (ServletException e) {
      e.printStackTrace();
      undertow = Result.failure(e.getMessage());
    }
  }
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
protected void writeToScreen(HttpServletRequest req, HttpServletResponse resp, String message,
                             String mode,
                             String view, String subview, String url) throws IOException {
  xLogger.fine("Entered writeToScreen: view = {0}", view);
  resp.setStatus(200);
  resp.setContentType("text/html; charset=UTF-8");
  message = "<p style=\"font-size:12px;\">" + message + "</p>";
  req.setAttribute("message", message);
  if (mode != null && !mode.isEmpty()) {
    req.setAttribute("mode", mode);
  }
  if (view != null && !view.isEmpty()) {
    req.setAttribute("view", view);
  }
  if (subview != null && !subview.isEmpty()) {
    req.setAttribute("subview", subview);
  }
  try {
    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
    dispatcher.include(req, resp);
  } catch (ServletException e) {
    xLogger.severe("Exception when writing to screen: {0}", e.getMessage());
    e.printStackTrace();
  }

  xLogger.fine("Exiting writeToScreen");
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
public void init(){
 try {
   super.init();
 } catch (ServletException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
 }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // Viser innloggingsskjema med evt. feilmelding.

    response.setContentType("text/html; charset=ISO-8859-1");
    try {
        request.getRequestDispatcher("index.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // Krever at bruker er innlogget!
    // Hvis bruker er innlogget vises siden. Hvis ikke sendes bruker til
    // innloggingsside med melding om at man må være innlogget for å se
    // siden

    response.setContentType("text/html; charset=ISO-8859-1");
    try {
        request.getRequestDispatcher("hemmelig.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType("text/html; charset=ISO-8859-1");
    request.getSession().setAttribute("votes", v);
    request.getSession().setAttribute("options", o);

    try {
        request.getRequestDispatcher("index.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
        response.sendRedirect("error");
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType("text/html; charset=ISO-8859-1");
    try {
        request.getRequestDispatcher("error.jsp").include(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
    }

}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    name = (String) request.getSession().getAttribute("name");

    response.setContentType("text/html; charset=ISO-8859-1");

    try {
        request.getSession().setAttribute("name", name);
        request.getRequestDispatcher("greetings.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
        response.sendRedirect("error");
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType("text/html; charset=ISO-8859-1");
    try {
        request.getRequestDispatcher("index.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
    }
}
 

import javax.servlet.ServletException; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType("text/html; charset=ISO-8859-1");
    try {
        request.getRequestDispatcher("error.jsp").forward(request, response);
    } catch (ServletException e) {
        e.printStackTrace();
    }
}