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(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.

Usage

From source file:cc.aileron.wsgi.WsgiHttpFilter.java

@Override
public void init(final FilterConfig config) throws ServletException {
    context = config.getServletContext();
    try {/*from   ww  w .  j  a  v  a  2 s.  c o  m*/
        appendResourceLoader(context.getRealPath("/"));
        model = new WsgiModel(config.getInitParameter("environment"));
    } catch (final Exception e) {
        logger.error("init-error", e);
        throw new ServletException(e);
    }
}

From source file:net.scran24.admin.server.services.SurveyManagementServiceImpl.java

@Override
public void init() throws ServletException {
    try {//from   w ww.j  ava2s. c o m
        Injector injector = (Injector) this.getServletContext().getAttribute("intake24.injector");
        dataStore = injector.getInstance(DataStore.class);
    } catch (Throwable e) {
        throw new ServletException(e);
    }
}

From source file:com.github.matthesrieke.simplebroker.SimpleBrokerServlet.java

public void init() throws ServletException {
    super.init();
    try {//from   w w w  .  j  av a 2 s  .  c o m
        this.allowedProducers = FileUtil.readConfigFilePerLine(PRODUCERS_FILE);
    } catch (IOException e) {
        throw new ServletException(e);
    }

    startWatchThread();
}

From source file:com.controlj.green.istat.web.BookmarkServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    //System.out.println("Area Servlet called at:"+new Date());

    resp.setHeader("Expires", "Wed, 01 Jan 2003 12:00:00 GMT");
    resp.setHeader("Cache-Control", "no-cache");
    ServletOutputStream out = resp.getOutputStream();
    try {/*from  w w  w .  j  av  a 2s  .c om*/
        writeLocations(out, req.getParameterValues("bookmarks"), req);
    } catch (Exception e) {
        Logging.LOGGER.println("Unexpected exception:");
        e.printStackTrace(Logging.LOGGER);

        throw new ServletException(e);
    }
    /*
    out.println("[");
    out.println("{ display:'Main Conf Room', id:'mainconf'},");
    out.println("{ display:'Board Room', id:'boardroom'},");
    out.println("{ display:'Room 235', id:'room235'}");
    out.println("]");
    */
}

From source file:org.ws13.vaadin.osgi.dm.app.SpringApplicationServlet.java

/**
 * Get the application bean in Spring's context.
 * /*from w  ww. j a v  a 2 s. c  om*/
 * @see AbstractApplicationServlet#getNewApplication(HttpServletRequest)
 */
@Override
protected Application getNewApplication(HttpServletRequest request) throws ServletException {

    WebApplicationContext wac = WebApplicationContextUtils.getWebApplicationContext(getServletContext());

    if (wac == null) {
        throw new ServletException("Cannot get an handle on Spring's context. Is Spring running?"
                + "Check there's an org.springframework.web.context.ContextLoaderListener configured.");
    }

    String[] beanDefinitionNames = wac.getBeanDefinitionNames();
    for (String string : beanDefinitionNames) {
        System.out.println("SpringApplicationServlet.getNewApplication() ->" + string);
    }

    Application bean = wac.getBean(name, Application.class);

    if (!(bean instanceof Application)) {

        throw new ServletException("Bean " + name + " is not of expected class Application");
    }

    return bean;
}

From source file:org.fusesource.restygwt.server.complex.DTOTypeResolverServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    DTO1 one = new DTO1();
    one.name = "Fred Flintstone";
    one.size = 1024;/*from w w w.j a  va  2s .c  o  m*/

    DTO2 two = new DTO2();
    two.name = "Barney Rubble";
    two.foo = "schmaltzy";

    DTO2 three = new DTO2();
    three.name = "BamBam Rubble";
    three.foo = "dorky";

    resp.setContentType("application/json");
    ObjectMapper om = new ObjectMapper();
    try {
        ObjectWriter writer = om.writer()
                .withType(om.constructType(getClass().getMethod("prototype").getGenericReturnType()));
        writer.writeValue(resp.getOutputStream(), Lists.newArrayList(one, two, three));
    } catch (Exception e) {
        throw new ServletException(e);
    }
}

From source file:be.fedict.eid.applet.beta.webapp.JAASLoginFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    LOG.debug("doFilter");
    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpSession httpSession = httpRequest.getSession();
    Credentials credentials = (Credentials) httpSession.getAttribute("org.jboss.seam.security.credentials");
    LoginContext loginContext = null;
    String username = credentials.getUsername();
    if (null != username) {
        CallbackHandler callbackHandler = new UsernamePasswordHandler(username, username);
        try {//w w  w  . j  ava 2s  . com
            loginContext = new LoginContext("client-login", callbackHandler);
            loginContext.login();
        } catch (LoginException e) {
            throw new ServletException("JAAS login error");
        }
    }
    try {
        chain.doFilter(request, response);
    } finally {
        if (null != loginContext) {
            try {
                loginContext.logout();
            } catch (LoginException e) {
                throw new ServletException("JAAS logout error");
            }
        }
    }
}

From source file:edu.umn.msi.tropix.transfer.http.server.embedded.ControllerHandlerImpl.java

public void handle(final String target, final Request baseRequest, final HttpServletRequest request,
        final HttpServletResponse response) throws IOException, ServletException {
    try {/*from ww  w  . j ava 2  s .  com*/
        controller.handleRequest(request, response);
    } catch (final IOException e) {
        ExceptionUtils.logQuietly(LOG, e, "IOException in transfer controller.");
        throw e;
    } catch (final Exception e) {
        ExceptionUtils.logQuietly(LOG, e, "Generic exception in transfer controller.");
        throw new ServletException(e);
    }
}

From source file:hudson.security.UnwrapSecurityExceptionFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    try {/*from w  w w  .j  av  a 2s.c  o  m*/
        chain.doFilter(request, response);
    } catch (ServletException e) {
        Throwable t = e.getRootCause();
        if (t instanceof JellyTagException) {
            JellyTagException jte = (JellyTagException) t;
            Throwable cause = jte.getCause();
            if (cause instanceof AcegiSecurityException) {
                AcegiSecurityException se = (AcegiSecurityException) cause;
                throw new ServletException(se);
            }
        }
        throw e;
    }
}

From source file:DbMetaServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {

    String sql = "select * from aTable";
    Connection conn = null;/*from w w w.  jav a  2s.  c  om*/
    Statement stmt = null;
    ResultSet rs = null;
    ResultSetMetaData rsm = null;

    response.setContentType("text/html");
    java.io.PrintWriter out = response.getWriter();
    out.println("<html><head><title>Discover a ResultSet</title></head><body>");
    out.println("<h2>Here is Info about the returned ResultSet</h2>");
    out.println("<table border='1'><tr>");

    try {

        //Get a connection from the pool
        conn = pool.getConnection();

        //Create a Statement with which to run some SQL
        stmt = conn.createStatement();

        //Execute the SQL
        rs = stmt.executeQuery(sql);

        //Get a ResultSetMetaData object from the ResultSet
        rsm = rs.getMetaData();

        int colCount = rsm.getColumnCount();

        //print column names
        printMeta(rsm, "name", out, colCount);

        //print column index
        printMeta(rsm, "index", out, colCount);

        //print column type
        printMeta(rsm, "column type", out, colCount);

        //print column display size
        printMeta(rsm, "column display", out, colCount);

    } catch (Exception e) {

        throw new ServletException(e.getMessage());

    } finally {

        try {

            stmt.close();
            conn.close();

        } catch (SQLException sqle) {
        }

    }
    out.println("</table></body></html>");
    out.close();

}