Example usage for javax.servlet ServletException ServletException

Introduction

In this page you can find the example usage for javax.servlet ServletException ServletException.

Prototype


public ServletException(String message, Throwable rootCause)

Source Link

Document

Constructs a new servlet exception when the servlet needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation, including a description message.

Usage

From source file:io.fns.calculator.filter.CORSFilter.java

@Override
public void init(FilterConfig filterConfig) throws ServletException {
    super.init(filterConfig);
    try {//from  w w w  .  j  av a  2 s  .  co  m
        CORSConfiguration config = (CORSConfiguration) getInstanceField(this, "config");
        CORSRequestHandler handler = (CORSRequestHandler) getInstanceField(this, "handler");
        config = new CORSConfiguration(yamlProperties.getObject());
        handler = new CORSRequestHandler(config);
    } catch (CORSConfigurationException e) {
        throw new ServletException(e.getMessage(), e);
    } catch (Throwable t) {
        throw new ServletException(t.getMessage(), t);
    }
}

From source file:com.example.getstarted.basicactions.UpdateBookServlet.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    BookDao dao = (BookDao) this.getServletContext().getAttribute("dao");
    try {/*ww  w .j av a2 s . c o  m*/
        Book book = dao.readBook(Long.decode(req.getParameter("id")));
        req.setAttribute("book", book);
        req.setAttribute("action", "Edit");
        req.setAttribute("destination", "update");
        req.setAttribute("page", "form");
        req.getRequestDispatcher("/base.jsp").forward(req, resp);
    } catch (Exception e) {
        throw new ServletException("Error loading book for editing", e);
    }
}

From source file:org.osgpfoundation.osgp.webdemoapp.application.config.WebDemoInitializer.java

@Override
public void onStartup(final ServletContext servletContext) throws ServletException {
    try {// w  w w  . j  av  a 2s.co m
        TimeZone.setDefault(TimeZone.getTimeZone("UTC"));

        final Context initialContext = new InitialContext();

        final AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(ApplicationContext.class);

        final ServletRegistration.Dynamic dispatcher = servletContext.addServlet(DISPATCHER_SERVLET_NAME,
                new DispatcherServlet(rootContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping(DISPATCHER_SERVLET_MAPPING);

        servletContext.addListener(new ContextLoaderListener(rootContext));
    } catch (final NamingException e) {
        throw new ServletException("naming exception", e);
    }
}

From source file:com.example.appengine.analytics.AnalyticsServlet.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    String trackingId = System.getenv("GA_TRACKING_ID");
    URIBuilder builder = new URIBuilder();
    builder.setScheme("http").setHost("www.google-analytics.com").setPath("/collect").addParameter("v", "1") // API Version.
            .addParameter("tid", trackingId) // Tracking ID / Property ID.
            // Anonymous Client Identifier. Ideally, this should be a UUID that
            // is associated with particular user, device, or browser instance.
            .addParameter("cid", "555").addParameter("t", "event") // Event hit type.
            .addParameter("ec", "example") // Event category.
            .addParameter("ea", "test action"); // Event action.
    URI uri = null;//w w  w  .  ja va  2  s.  c o  m
    try {
        uri = builder.build();
    } catch (URISyntaxException e) {
        throw new ServletException("Problem building URI", e);
    }
    URLFetchService fetcher = URLFetchServiceFactory.getURLFetchService();
    URL url = uri.toURL();
    fetcher.fetch(url);
    resp.getWriter().println("Event tracked.");
}

From source file:de.fhg.igd.vaadin.util.servlets.AutowiringApplicationServlet.java

/**
 * Get the {@link AutowireCapableBeanFactory} associated with the containing Spring {@link WebApplicationContext}.
 * This only works after the servlet has been initialized (via {@link #init init()}).
 *
 * @throws ServletException if the operation fails
 *//* w w w.  j a v  a2 s .  c  o m*/
protected final AutowireCapableBeanFactory getAutowireCapableBeanFactory() throws ServletException {
    try {
        return getWebApplicationContext().getAutowireCapableBeanFactory();
    } catch (final IllegalStateException e) {
        throw new ServletException(
                "containing context " + getWebApplicationContext() + " is not autowire-capable", e);
    }
}

From source file:cn.vlabs.duckling.vwb.ui.servlet.AbstractLoginServlet.java

private Config loadConfig(String realPath) throws ServletException {
    Config config = new Config();
    FileInputStream in = null;//  ww w .j  a  v a  2  s .  c o  m
    try {
        in = new FileInputStream(realPath);
        config.load(in);
    } catch (IOException e) {
        throw new ServletException("Load SSO configuration failed.", e);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                // Do noting
            }
        }
    }
    return config;
}

From source file:be.fedict.eid.applet.service.PdfServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    LOG.debug("doGet");

    HttpSession httpSession = request.getSession();
    EIdData eIdData = (EIdData) httpSession.getAttribute("eid");

    byte[] document;
    try {/*from   w  w w.  j a v a  2s  . c  o  m*/
        document = this.pdfGenerator.generatePdf(eIdData);
    } catch (DocumentException e) {
        throw new ServletException("PDF generator error: " + e.getMessage(), e);
    }

    response.setHeader("Expires", "0");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");

    response.setContentType("application/pdf");
    response.setContentLength(document.length);
    ServletOutputStream out = response.getOutputStream();
    out.write(document);
    out.flush();
}

From source file:be.fedict.eid.applet.service.VcardServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    LOG.debug("doGet");

    HttpSession httpSession = request.getSession();
    EIdData eIdData = (EIdData) httpSession.getAttribute("eid");

    byte[] document;
    try {/*  w w  w .  j av  a 2  s .c  o m*/
        document = this.vcardGenerator.generateVcard(eIdData);
    } catch (IOException e) {
        throw new ServletException("vCard generator error: " + e.getMessage(), e);
    }

    response.setHeader("Expires", "0");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");

    response.setContentType(VcardLight.MIME_TYPE);
    response.setContentLength(document.length);
    ServletOutputStream out = response.getOutputStream();
    out.write(document);
    out.flush();
}

From source file:se.vgregion.mobile.qr.QrController.java

@RequestMapping("/qr")
public void image(@RequestParam("url") String url,
        @RequestParam(value = "width", defaultValue = "300") int width,
        @RequestParam(value = "height", defaultValue = "300") int height, HttpServletResponse response)
        throws ServletException {

    OutputStream out = null;// ww  w. ja v a 2  s .  c o m
    try {
        response.setContentType("image/png");
        out = response.getOutputStream();
        Writer writer = new QRCodeWriter();
        BitMatrix matrix = writer.encode(url, BarcodeFormat.QR_CODE, width, height);
        MatrixToImageWriter.writeToStream(matrix, "png", out);
        out.flush();
    } catch (WriterException e) {
        throw new ServletException("Failed writing QR", e);
    } catch (IOException e) {
        throw new ServletException("Failed writing QR", e);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                // ignore
            }
        }
    }

}

From source file:com.example.analytics.AnalyticsServlet.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    String trackingId = System.getenv("GA_TRACKING_ID");
    HttpClient client = HttpClientBuilder.create().build();
    URIBuilder builder = new URIBuilder();
    builder.setScheme("http").setHost("www.google-analytics.com").setPath("/collect").addParameter("v", "1") // API Version.
            .addParameter("tid", trackingId) // Tracking ID / Property ID.
            // Anonymous Client Identifier. Ideally, this should be a UUID that
            // is associated with particular user, device, or browser instance.
            .addParameter("cid", "555").addParameter("t", "event") // Event hit type.
            .addParameter("ec", "example") // Event category.
            .addParameter("ea", "test action"); // Event action.
    URI uri = null;/*  w  ww  . j  a va2 s .  c om*/
    try {
        uri = builder.build();
    } catch (URISyntaxException e) {
        throw new ServletException("Problem building URI", e);
    }
    HttpPost request = new HttpPost(uri);
    client.execute(request);
    resp.getWriter().println("Event tracked.");
}