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  3. javax.servlet.UnavailableException

Java 类javax.servlet.UnavailableException 实例源码

项目：tomcat7    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init()
    throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(
                getServletConfig().getInitParameter("maxDepth"));

    if (getServletConfig().getInitParameter("allowSpecialPaths") != null)
        allowSpecialPaths = Boolean.parseBoolean(
                getServletConfig().getInitParameter("allowSpecialPaths"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：tomcat7    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
项目：lams    文件：InvokerServlet.java    
/**
 * Initialize this servlet.
 */
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("invokerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    if (getServletConfig().getInitParameter("debug") != null)
        debug = Integer.parseInt(getServletConfig().getInitParameter("debug"));

    if (debug >= 1)
        log("init: Associated with Context '" + context.getPath() + "'");

}
项目：lams    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
public void init()
    throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(
                getServletConfig().getInitParameter("maxDepth"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：lams    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Verify that we were not accessed using the invoker servlet
    String servletName = getServletConfig().getServletName();
    if (servletName == null)
        servletName = "";
    if (servletName.startsWith("org.apache.catalina.INVOKER."))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.cannotInvoke"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ;
    }

}
项目：lams    文件：ValidatorPlugIn.java    
/**
 * Initialize and load our resources.
 *
 * @param servlet The ActionServlet for our application
 * @param config  The ModuleConfig for our owning module
 * @throws ServletException if we cannot configure ourselves correctly
 */
public void init(ActionServlet servlet, ModuleConfig config)
        throws ServletException {

    // Remember our associated configuration and servlet
    this.config = config;
    this.servlet = servlet;

    // Load our database from persistent storage
    try {
        this.initResources();

        servlet.getServletContext().setAttribute(VALIDATOR_KEY + config.getPrefix(),
                                                 resources);

        servlet.getServletContext().setAttribute(STOP_ON_ERROR_KEY + '.' + config.getPrefix(),
                                                 (this.stopOnFirstError ? Boolean.TRUE : Boolean.FALSE));

    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new UnavailableException("Cannot load a validator resource from '" + pathnames + "'");
    }

}
项目：lams    文件：ManagedServlet.java    
public void createServlet() throws ServletException {
    if (permanentlyUnavailable) {
        return;
    }
    try {
        if (!started && servletInfo.getLoadOnStartup() != null && servletInfo.getLoadOnStartup() >= 0) {
            instanceStrategy.start();
            started = true;
        }
    } catch (UnavailableException e) {
        if (e.isPermanent()) {
            permanentlyUnavailable = true;
            stop();
        }
    }
}
项目：jerrydog    文件：InvokerServlet.java    
/**
 * Initialize this servlet.
 */
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("invokerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ;
    }
    if (debug >= 1)
        log("init: Associated with Context '" + context.getPath() + "'");

}
项目：apache-tomcat-7.0.73-with-comment    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init()
    throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(
                getServletConfig().getInitParameter("maxDepth"));

    if (getServletConfig().getInitParameter("allowSpecialPaths") != null)
        allowSpecialPaths = Boolean.parseBoolean(
                getServletConfig().getInitParameter("allowSpecialPaths"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：apache-tomcat-7.0.73-with-comment    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
项目：lazycat    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(getServletConfig().getInitParameter("maxDepth"));

    if (getServletConfig().getInitParameter("allowSpecialPaths") != null)
        allowSpecialPaths = Boolean.parseBoolean(getServletConfig().getInitParameter("allowSpecialPaths"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：lazycat    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException(sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
项目：sistra    文件：LayoutServlet.java    
public void init() throws ServletException {
    super.init();
    // Nombre del layout por defecto
    defaultLayoutName = getServletConfig().getInitParameter("defaultLayoutName");

    try {
        Context context = new InitialContext();
        // Bajo JNDI habr� todos los pares: nombre, path que metemos en el Map
        NamingEnumeration namingEnum = context.listBindings("java:comp/env/layout");
        while (namingEnum.hasMore()) {
            Binding binding = (Binding) namingEnum.next();
            layoutPathMap.put(binding.getName(), binding.getObject());
        }
    } catch (NamingException e) {
        log.error("Error accediendo a JNDI", e);
    }

    // El layout por defecto debe estar en el Map!
    if (!layoutPathMap.containsKey(defaultLayoutName)) {
        log.error("El layout por defecto \"" + defaultLayoutName + "\" no est� definido bajo java:comp/env/layout");
        throw new UnavailableException("Error de configuraci�n");
    }
}
项目：OpenMobster    文件：AgentInstaller.java    
public void init(ServletConfig servletConfig) throws ServletException 
{
    try
    {                       
        this.agentModules = new HashMap<String, byte[]>();

        //Parse the JAD file
        this.parseAgentJAD("rimos/430/MobileCloud.jad");

        //Parse the Modules
        this.parseAgentModules("rimos/430/MobileCloud.cod");

        //Parse the JAD file
        this.parseAgentJAD("rimos/430/CloudManager.jad");

        //Parse the Modules
        this.parseAgentModules("rimos/430/CloudManager.cod");

        log.info("OpenMobster AppStore Successfully Initialized........................");
    }
    catch(Exception exception)
    {
        log.error(this, exception);
        throw new UnavailableException(exception.getMessage());
    }
}
项目：OpenMobster    文件：AndroidAgentInstaller.java    
public void init(ServletConfig servletConfig) throws ServletException 
{
    try
    {                       
        InputStream is = Thread.currentThread().getContextClassLoader().
        getResourceAsStream("android/20/CloudManager.apk");

        this.cloudModule = IOUtilities.readBytes(is);

        log.info("OpenMobster Android AppStore Successfully Initialized........................");
    }
    catch(Exception exception)
    {
        log.error(this, exception);
        throw new UnavailableException(exception.getMessage());
    }
}
项目：sonar-scanner-maven    文件：ValidatorPlugIn.java    
/**
 * Initialize and load our resources.
 *
 * @param servlet The ActionServlet for our application
 * @param config  The ModuleConfig for our owning module
 * @throws ServletException if we cannot configure ourselves correctly
 */
public void init(ActionServlet servlet, ModuleConfig config)
    throws ServletException {
    // Remember our associated configuration and servlet
    this.config = config;
    this.servlet = servlet;

    // Load our database from persistent storage
    try {
        this.initResources();

        servlet.getServletContext().setAttribute(VALIDATOR_KEY
            + config.getPrefix(), resources);

        servlet.getServletContext().setAttribute(STOP_ON_ERROR_KEY + '.'
            + config.getPrefix(),
            (this.stopOnFirstError ? Boolean.TRUE : Boolean.FALSE));
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new UnavailableException(
            "Cannot load a validator resource from '" + pathnames + "'");
    }
}
项目：sonar-scanner-maven    文件：ActionServlet.java    
/**
 * <p>Look up and return the {@link RequestProcessor} responsible for the
 * specified module, creating a new one if necessary.</p>
 *
 * @param config The module configuration for which to acquire and return
 *               a RequestProcessor.
 * @return The {@link RequestProcessor} responsible for the specified
 *         module,
 * @throws ServletException If we cannot instantiate a RequestProcessor
 *                          instance a {@link UnavailableException} is
 *                          thrown, meaning your application is not loaded
 *                          and will not be available.
 * @since Struts 1.1
 */
protected synchronized RequestProcessor getRequestProcessor(
    ModuleConfig config) throws ServletException {
    RequestProcessor processor = this.getProcessorForModule(config);

    if (processor == null) {
        try {
            processor =
                (RequestProcessor) RequestUtils.applicationInstance(config.getControllerConfig()
                                                                          .getProcessorClass());
        } catch (Exception e) {
            throw new UnavailableException(
                "Cannot initialize RequestProcessor of class "
                + config.getControllerConfig().getProcessorClass() + ": "
                + e);
        }

        processor.init(this, config);

        String key = Globals.REQUEST_PROCESSOR_KEY + config.getPrefix();

        getServletContext().setAttribute(key, processor);
    }

    return (processor);
}
项目：sonar-scanner-maven    文件：TestActionServlet.java    
/**
 * Make sure processFormBeanConfigClass() returns what it was given if the
 * form passed to it doesn't extend anything.
 */
public void testProcessFormBeanConfigClassNoExtends()
    throws Exception {
    moduleConfig.addFormBeanConfig(baseFormBean);

    FormBeanConfig result = null;

    try {
        result =
            actionServlet.processFormBeanConfigClass(baseFormBean,
                moduleConfig);
    } catch (UnavailableException e) {
        fail("An exception should not be thrown when there's nothing to do");
    }

    assertSame("Result should be the same as the input.", baseFormBean,
        result);
}
项目：sonar-scanner-maven    文件：TestActionServlet.java    
/**
 * Make sure processExceptionConfigClass() returns what it was given if
 * the handler passed to it doesn't extend anything.
 */
public void testProcessExceptionConfigClassNoExtends()
    throws Exception {
    moduleConfig.addExceptionConfig(baseException);

    ExceptionConfig result = null;

    try {
        result =
            actionServlet.processExceptionConfigClass(baseException,
                moduleConfig, null);
    } catch (UnavailableException e) {
        fail("An exception should not be thrown when there's nothing to do");
    }

    assertSame("Result should be the same as the input.", baseException,
        result);
}
项目：sonar-scanner-maven    文件：TestActionServlet.java    
/**
 * Make sure processForwardConfigClass() returns what it was given if the
 * forward passed to it doesn't extend anything.
 */
public void testProcessForwardConfigClassNoExtends()
    throws Exception {
    moduleConfig.addForwardConfig(baseForward);

    ForwardConfig result = null;

    try {
        result =
            actionServlet.processForwardConfigClass(baseForward,
                moduleConfig, null);
    } catch (UnavailableException e) {
        fail("An exception should not be thrown when there's nothing to do");
    }

    assertSame("Result should be the same as the input.", baseForward,
        result);
}
项目：sonar-scanner-maven    文件：TestActionServlet.java    
/**
 * Make sure processActionConfigClass() returns what it was given if the
 * action passed to it doesn't extend anything.
 */
public void testProcessActionConfigClassNoExtends()
    throws Exception {
    moduleConfig.addActionConfig(baseAction);

    ActionConfig result = null;

    try {
        result =
            actionServlet.processActionConfigClass(baseAction, moduleConfig);
    } catch (UnavailableException e) {
        fail("An exception should not be thrown here");
    }

    assertSame("Result should be the same as the input.", baseAction, result);
}
项目：opengse    文件：PUTestServlet.java    
/**
 *  By passing  ServletTest's service method
 *
 */

public void service( ServletRequest request, ServletResponse response ) throws ServletException , IOException {

    PrintWriter out = response.getWriter();

    try {
        throw new UnavailableException( "Throwing Permanent unavailable Exception " );
    } catch ( UnavailableException ex ) {
        if ( ex.isPermanent() == true ) {
            out.println( "PUTest test PASSED" );
        } else {
            out.println( "PUTest test FAILED <BR>" );
            out.println( "isPermanent() method is returing false for Permanent Unavailable Exception" );
        }
    }
}
项目：Wilma    文件：XMLConfiguration.java    
protected void initFilter(XmlParser.Node node) throws ClassNotFoundException,UnavailableException
{
    String name=node.getString("filter-name",false,true);
    String className=node.getString("filter-class",false,true);
    if(className==null)
    {
        log.warn("Missing filter-class in "+node);
        return;
    }
    if(name==null)
        name=className;
    FilterHolder holder=getWebApplicationHandler().defineFilter(name,className);
    Iterator iter=node.iterator("init-param");
    while(iter.hasNext())
    {
        XmlParser.Node paramNode=(XmlParser.Node)iter.next();
        String pname=paramNode.getString("param-name",false,true);
        String pvalue=paramNode.getString("param-value",false,true);
        holder.put(pname,pvalue);
    }
}
项目：java-docs-samples    文件：AbstractRestServlet.java    
@Override
public void init(ServletConfig servletConfig) throws ServletException {
  // First try the servlet context init-param.
  String source = "InitParameter";
  key = servletConfig.getInitParameter(APPKEY);
  if (key == null || key.startsWith("${")) {
    source = "System Property";
    key = System.getProperty(APPKEY);
  }
  if (key == null || key.startsWith("${")) {
    source = "Environment Variable";
    key = System.getenv(APPKEY_ENV);
  }
  if (key == null) {
    throw new UnavailableException("Places App Key not set");
  }
  if (key.startsWith("${")) {
    throw new UnavailableException("Places App Key not expanded from " + source);
  }
}
项目：yawl    文件：InterfaceA_EngineBasedServer.java    
public void init() throws ServletException {     

        ServletContext context = getServletContext();

        // read persistence flag from web.xml & get engine instance
        try {
            String persistOn = context.getInitParameter("EnablePersistence") ;
            boolean enablePersist = "true".equalsIgnoreCase(persistOn);

            _engine = (EngineGateway) context.getAttribute("engine");
            if (_engine == null) {
                _engine = new EngineGatewayImpl(enablePersist);
                context.setAttribute("engine", _engine);
            }
        } catch (YPersistenceException e) {
            logger.fatal("Failure to initialise runtime (persistence failure)", e);
            throw new UnavailableException("Persistence failure");
        }
    }
项目：class-guard    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init()
    throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(
                getServletConfig().getInitParameter("maxDepth"));

    if (getServletConfig().getInitParameter("allowSpecialPaths") != null)
        allowSpecialPaths = Boolean.parseBoolean(
                getServletConfig().getInitParameter("allowSpecialPaths"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：class-guard    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
项目：fenixedu-spaces    文件：SpaceSearchController.java    
@RequestMapping(value = "/view/{space}", method = RequestMethod.GET)
public String view(@PathVariable Space space, Model model, @RequestParam(defaultValue = "50") BigDecimal scale,
        @RequestParam(defaultValue = "") Boolean viewOriginalSpaceBlueprint,
        @RequestParam(defaultValue = "") Boolean viewBlueprintNumbers,
        @RequestParam(defaultValue = "") Boolean viewIdentifications,
        @RequestParam(defaultValue = "") Boolean viewDoorNumbers) throws UnavailableException {
    model.addAttribute("scale", scale);
    model.addAttribute("viewOriginalSpaceBlueprint", viewOriginalSpaceBlueprint);
    model.addAttribute("viewBlueprintNumbers", viewBlueprintNumbers);
    model.addAttribute("viewIdentifications", viewIdentifications);
    model.addAttribute("viewDoorNumbers", viewDoorNumbers);
    model.addAttribute("information", space.bean());
    model.addAttribute("blueprintTextRectangles", getBlueprintTextRectangles(space, scale));
    model.addAttribute("spaces", getChildrenOrderedByName(space));
    model.addAttribute("parentSpace", space.getParent());
    model.addAttribute("currentUser", Authenticate.getUser());
    model.addAttribute("spacePhotos", photoService.getVisiblePhotos(space));

    return "spaces/view";
}
项目：fenixedu-spaces    文件：SpaceSearchController.java    
@RequestMapping(value = "/blueprint/{space}", method = RequestMethod.GET)
public void blueprint(@PathVariable Space space,
        @DateTimeFormat(pattern = InformationBean.DATE_FORMAT) @RequestParam(
                defaultValue = "#{new org.joda.time.DateTime()}") DateTime when,
        @RequestParam(defaultValue = "50") BigDecimal scale,
        @RequestParam(defaultValue = "false") Boolean viewOriginalSpaceBlueprint,
        @RequestParam(defaultValue = "true") Boolean viewBlueprintNumbers,
        @RequestParam(defaultValue = "true") Boolean viewIdentifications,
        @RequestParam(defaultValue = "false") Boolean viewDoorNumbers, HttpServletResponse response)
        throws IOException, UnavailableException {

    Boolean isToViewOriginalSpaceBlueprint = viewOriginalSpaceBlueprint;
    Boolean isToViewBlueprintNumbers = viewBlueprintNumbers;
    Boolean isToViewIdentifications = viewIdentifications;
    Boolean isToViewDoorNumbers = viewDoorNumbers;
    BigDecimal scalePercentage = scale;
    response.setContentType("image/jpeg");
    try (OutputStream outputStream = response.getOutputStream()) {
        SpaceBlueprintsDWGProcessor.writeBlueprint(space, when, isToViewOriginalSpaceBlueprint, isToViewBlueprintNumbers,
                isToViewIdentifications, isToViewDoorNumbers, scalePercentage, outputStream);
    }
}
项目：apache-tomcat-7.0.57    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init()
    throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(
                getServletConfig().getInitParameter("maxDepth"));

    if (getServletConfig().getInitParameter("allowSpecialPaths") != null)
        allowSpecialPaths = Boolean.parseBoolean(
                getServletConfig().getInitParameter("allowSpecialPaths"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：apache-tomcat-7.0.57    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
项目：apache-tomcat-7.0.57    文件：WebdavServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init()
    throws ServletException {

    super.init();

    if (getServletConfig().getInitParameter("secret") != null)
        secret = getServletConfig().getInitParameter("secret");

    if (getServletConfig().getInitParameter("maxDepth") != null)
        maxDepth = Integer.parseInt(
                getServletConfig().getInitParameter("maxDepth"));

    if (getServletConfig().getInitParameter("allowSpecialPaths") != null)
        allowSpecialPaths = Boolean.parseBoolean(
                getServletConfig().getInitParameter("allowSpecialPaths"));

    // Load the MD5 helper used to calculate signatures.
    try {
        md5Helper = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        throw new UnavailableException("No MD5");
    }

}
项目：apache-tomcat-7.0.57    文件：HostManagerServlet.java    
/**
 * Initialize this servlet.
 */
@Override
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("hostManagerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ExceptionUtils.handleThrowable(t);
    }

}
项目：HowTomcatWorks    文件：InvokerServlet.java    
/**
 * Initialize this servlet.
 */
public void init() throws ServletException {

    // Ensure that our ContainerServlet properties have been set
    if ((wrapper == null) || (context == null))
        throw new UnavailableException
            (sm.getString("invokerServlet.noWrapper"));

    // Set our properties from the initialization parameters
    String value = null;
    try {
        value = getServletConfig().getInitParameter("debug");
        debug = Integer.parseInt(value);
    } catch (Throwable t) {
        ;
    }
    if (debug >= 1)
        log("init: Associated with Context '" + context.getPath() + "'");

}
项目：gocd    文件：Jetty9Server.java    
WebAppContext createWebAppContext() throws IOException, SAXException, ClassNotFoundException, UnavailableException {
    webAppContext = new WebAppContext();
    webAppContext.setDefaultsDescriptor(GoWebXmlConfiguration.configuration(getWarFile()));

    webAppContext.setConfigurationClasses(new String[]{
            WebInfConfiguration.class.getCanonicalName(),
            WebXmlConfiguration.class.getCanonicalName(),
            JettyWebXmlConfiguration.class.getCanonicalName()
    });
    webAppContext.setContextPath(systemEnvironment.getWebappContextPath());

    // delegate all logging to parent classloader to avoid initialization of loggers in multiple classloaders
    webAppContext.addSystemClass("org.apache.log4j.");
    webAppContext.addSystemClass("org.slf4j.");
    webAppContext.addSystemClass("org.apache.commons.logging.");

    webAppContext.setWar(getWarFile());
    webAppContext.setParentLoaderPriority(systemEnvironment.getParentLoaderPriority());
    return webAppContext;
}
项目：log4j2    文件：Log4jWebInitializerImpl.java    
@Override
public synchronized void initialize() throws UnavailableException {
    if (this.deinitialized) {
        throw new IllegalStateException("Cannot initialize Log4jWebInitializer after it was destroyed.");
    }

    // only do this once
    if (!this.initialized) {
        this.initialized = true;

        this.name = this.substitutor.replace(this.servletContext.getInitParameter(LOG4J_CONTEXT_NAME));
        final String location = this.substitutor.replace(this.servletContext.getInitParameter(LOG4J_CONFIG_LOCATION));
        final boolean isJndi = "true".equals(this.servletContext.getInitParameter(IS_LOG4J_CONTEXT_SELECTOR_NAMED));

        if (isJndi) {
            this.initializeJndi(location);
        } else {
            this.initializeNonJndi(location);
        }
    }
}
项目：log4j2    文件：Log4jServletContainerInitializer.java    
@Override
public void onStartup(final Set<Class<?>> classes, final ServletContext servletContext) throws ServletException {
    if (servletContext.getMajorVersion() > 2) {
        servletContext.log("Log4jServletContainerInitializer starting up Log4j in Servlet 3.0+ environment.");

        final Log4jWebInitializer initializer = Log4jWebInitializerImpl.getLog4jWebInitializer(servletContext);
        initializer.initialize();
        initializer.setLoggerContext(); // the application is just now starting to start up

        servletContext.addListener(new Log4jServletContextListener());

        final FilterRegistration.Dynamic filter =
                servletContext.addFilter("log4jServletFilter", new Log4jServletFilter());
        if (filter == null) {
            throw new UnavailableException("In a Servlet 3.0+ application, you must not define a " +
                    "log4jServletFilter in web.xml. Log4j 2 defines this for you automatically.");
        }
        filter.addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), false, "/*");
    }
}
项目：log4j2    文件：Log4jServletContextListenerTest.java    
@Test
public void testInitFailure() throws Exception {
    expect(this.event.getServletContext()).andReturn(this.servletContext);
    this.servletContext.log(anyObject(String.class));
    expectLastCall();
    expect(this.servletContext.getAttribute(Log4jWebInitializer.INITIALIZER_ATTRIBUTE)).andReturn(this.initializer);
    this.initializer.initialize();
    expectLastCall().andThrow(new UnavailableException(""));

    replay(this.event, this.servletContext, this.initializer);

    try {
        this.listener.contextInitialized(this.event);
        fail("Expected a RuntimeException.");
    } catch (final RuntimeException e) {
        assertEquals("The message is not correct.", "Failed to initialize Log4j properly.", e.getMessage());
    }
}
项目：log4j2    文件：Log4jServletContainerInitializerTest.java    
@Test
public void testOnStartupFailedDueToInitializerFailure() throws Exception {
    final UnavailableException exception = new UnavailableException("");

    expect(this.servletContext.getMajorVersion()).andReturn(3);
    this.servletContext.log(anyObject(String.class));
    expectLastCall();
    expect(this.servletContext.getAttribute(Log4jWebInitializer.INITIALIZER_ATTRIBUTE)).andReturn(this.initializer);
    this.initializer.initialize();
    expectLastCall().andThrow(exception);

    replay(this.servletContext, this.initializer);

    try {
        this.containerInitializer.onStartup(null, this.servletContext);
        fail("Expected the exception thrown by the initializer; got no exception.");
    } catch (final UnavailableException e) {
        assertSame("The exception is not correct.", exception, e);
    }
}
项目：log4j2    文件：Log4jWebInitializerImplTest.java    
@Test
public void testInitializeUsingJndiSelectorFails() throws Exception {
    expect(this.servletContext.getInitParameter(Log4jWebInitializer.LOG4J_CONTEXT_NAME)).andReturn(null);
    expect(this.servletContext.getInitParameter(Log4jWebInitializer.LOG4J_CONFIG_LOCATION)).andReturn(null);
    expect(this.servletContext.getInitParameter(Log4jWebInitializer.IS_LOG4J_CONTEXT_SELECTOR_NAMED))
            .andReturn("true");

    replay(this.servletContext);

    assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());

    try {
        this.initializer.initialize();
        fail("Expected an UnavailableException.");
    } catch (final UnavailableException ignore) {

    }
}