Quellcode-Bibliothek ManagerServlet.java Sprache: JAVA

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.manager;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;

import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.naming.Binding;
import javax.naming.NamingEnumeration;

import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletInputStream;
import jakarta.servlet.UnavailableException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import org.apache.catalina.Container;
import org.apache.catalina.ContainerServlet;
import org.apache.catalina.Context;
import org.apache.catalina.Engine;
import org.apache.catalina.Host;
import org.apache.catalina.Manager;
import org.apache.catalina.Server;
import org.apache.catalina.Service;
import org.apache.catalina.Session;
import org.apache.catalina.Wrapper;
import org.apache.catalina.connector.Connector;
import org.apache.catalina.core.StandardHost;
import org.apache.catalina.startup.ExpandWar;
import org.apache.catalina.util.ContextName;
import org.apache.catalina.util.IOTools;
import org.apache.catalina.util.ServerInfo;
import org.apache.coyote.ProtocolHandler;
import org.apache.coyote.http11.AbstractHttp11Protocol;
import org.apache.tomcat.util.Diagnostics;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tomcat.util.IntrospectionUtils;
import org.apache.tomcat.util.buf.StringUtils;
import org.apache.tomcat.util.modeler.Registry;
import org.apache.tomcat.util.net.SSLContext;
import org.apache.tomcat.util.net.SSLHostConfig;
import org.apache.tomcat.util.net.SSLHostConfigCertificate;
import org.apache.tomcat.util.net.SSLUtilBase;
import org.apache.tomcat.util.res.StringManager;
import org.apache.tomcat.util.security.Escape;

/**
* Servlet that enables remote management of the web applications installed within the same virtual host as this web
* application is. Normally, this functionality will be protected by a security constraint in the web application
* deployment descriptor. However, this requirement can be relaxed during testing.
* 
* This servlet examines the value returned by <code>getPathInfo()</code> and related query parameters to determine what
* action is being requested. The following actions and parameters (starting after the servlet path) are supported:
* <ul>
* <li>/deploy?config={config-url} - Install and start a new web application, based on the contents of the
* context configuration file found at the specified URL. The <code>docBase</code> attribute of the context
* configuration file is used to locate the actual WAR or directory containing the application.</li>
* <li>/deploy?config={config-url}&war={war-url}/ - Install and start a new web application, based on the
* contents of the context configuration file found at <code>{config-url}</code>, overriding the <code>docBase</code>
* attribute with the contents of the web application archive found at <code>{war-url}</code>.</li>
* <li>/deploy?path=/xxx&war={war-url} - Install and start a new web application attached to context path
* <code>/xxx</code>, based on the contents of the web application archive found at the specified URL.</li>
* <li>/list - List the context paths of all currently installed web applications for this virtual host. Each
* context will be listed with the following format <code>path:status:sessions</code>. Where path is the context path.
* Status is either running or stopped. Sessions is the number of active Sessions.</li>
* <li>/reload?path=/xxx - Reload the Java classes and resources for the application at the specified path.</li>
* <li>/resources?type=xxxx - Enumerate the available global JNDI resources, optionally limited to those of the
* specified type (fully qualified Java class name), if available.</li>
* <li>/serverinfo - Display system OS and JVM properties.
* <li>/sessions - Deprecated. Use expire.
* <li>/expire?path=/xxx - List session idle time information about the web application attached to context path
* <code>/xxx</code> for this virtual host.</li>
* <li>/expire?path=/xxx&idle=mm - Expire sessions for the context path <code>/xxx</code> which were idle for
* at least mm minutes.</li>
* <li>/sslConnectorCiphers - Display diagnostic info on SSL/TLS ciphers that are currently configured for each
* connector.
* <li>/start?path=/xxx - Start the web application attached to context path <code>/xxx</code> for this virtual
* host.</li>
* <li>/stop?path=/xxx - Stop the web application attached to context path <code>/xxx</code> for this virtual
* host.</li>
* <li>/threaddump - Write a JVM thread dump.</li>
* <li>/undeploy?path=/xxx - Shutdown and remove the web application attached to context path <code>/xxx</code>
* for this virtual host, and remove the underlying WAR file or document base directory. (NOTE - This is only
* allowed if the WAR file or document base is stored in the <code>appBase</code> directory of this host, typically as a
* result of being placed there via the <code>/deploy</code> command.</li>
* <li>/vminfo - Write some VM info.</li>
* <li>/save - Save the current server configuration to server.xml</li>
* <li>/save?path=/xxx - Save the context configuration for the web application deployed with path
* <code>/xxx</code> to an appropriately named context.xml file in the <code>xmlBase</code> for the associated
* Host.</li>
* </ul>
* 
* Use <code>path=/</code> for the ROOT context.
* 
* 
* The syntax of the URL for a web application archive must conform to one of the following patterns to be successfully
* deployed:
* 
* <ul>
* <li>file:/absolute/path/to/a/directory - You can specify the absolute path of a directory that contains the
* unpacked version of a web application. This directory will be attached to the context path you specify without any
* changes.</li>
* </ul>
* 
* NOTE - Attempting to reload or remove the application containing this servlet itself will not succeed.
* Therefore, this servlet should generally be deployed as a separate web application within the virtual host to be
* managed.
* 
* The following servlet initialization parameters are recognized:
* <ul>
* <li>debug - The debugging detail level that controls the amount of information that is logged by this servlet.
* Default is zero.
* </ul>
*
* @author Craig R. McClanahan
* @author Remy Maucherat
*/
public class ManagerServlet extends HttpServlet implements ContainerServlet {

 private static final long serialVersionUID = 1L;

 // ----------------------------------------------------- Instance Variables

 /**
 * Path where context descriptors should be deployed.
 */
 protected File configBase = null;

 /**
 * The Context container associated with our web application.
 */
 protected transient Context context = null;

 /**
 * The debugging detail level for this servlet.
 */
 protected int debug = 1;

 /**
 * Path used to store revisions of webapps.
 */
 protected File versioned = null;

 /**
 * The associated host.
 */
 protected transient Host host = null;

 /**
 * MBean server.
 */
 protected transient MBeanServer mBeanServer = null;

 /**
 * The associated deployer ObjectName.
 */
 protected ObjectName oname = null;

 /**
 * The global JNDI <code>NamingContext</code> for this server, if available.
 */
 protected transient javax.naming.Context global = null;

 /**
 * The string manager for this package.
 */
 protected static final StringManager sm = StringManager.getManager(Constants.Package);

 /**
 * The Wrapper container associated with this servlet.
 */
 protected transient Wrapper wrapper = null;

 // ----------------------------------------------- ContainerServlet Methods

 /**
 * Return the Wrapper with which we are associated.
 */
 @Override
 public Wrapper getWrapper() {
 return this.wrapper;
 }

 /**
 * Set the Wrapper with which we are associated.
 *
 * @param wrapper The new wrapper
 */
 @Override
 public void setWrapper(Wrapper wrapper) {

 this.wrapper = wrapper;
 if (wrapper == null) {
 context = null;
 host = null;
 oname = null;
 } else {
 context = (Context) wrapper.getParent();
 host = (Host) context.getParent();
 Engine engine = (Engine) host.getParent();
 String name = engine.getName() + ":type=Deployer,host=" + host.getName();
 try {
 oname = new ObjectName(name);
 } catch (Exception e) {
 log(sm.getString("managerServlet.objectNameFail", name), e);
 }
 }

 // Retrieve the MBean server
 mBeanServer = Registry.getRegistry(null, null).getMBeanServer();

 }

 // --------------------------------------------------------- Public Methods

 /**
 * Finalize this servlet.
 */
 @Override
 public void destroy() {

 // No actions necessary

 }

 /**
 * Process a GET request for the specified resource.
 *
 * @param request The servlet request we are processing
 * @param response The servlet response we are creating
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet-specified error occurs
 */
 @Override
 public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {

 StringManager smClient = StringManager.getManager(Constants.Package, request.getLocales());

 // Identify the request parameters that we need
 String command = request.getPathInfo();
 if (command == null) {
 command = request.getServletPath();
 }

 String path = request.getParameter("path");
 String war = request.getParameter("war");
 String config = request.getParameter("config");
 ContextName cn = null;
 if (path != null) {
 cn = new ContextName(path, request.getParameter("version"));
 } else if (config != null) {
 cn = ContextName.extractFromPath(config);
 } else if (war != null) {
 cn = ContextName.extractFromPath(war);
 }

 String type = request.getParameter("type");
 String tag = request.getParameter("tag");
 boolean update = false;
 if (request.getParameter("update") != null && request.getParameter("update").equals("true")) {
 update = true;
 }
 String tlsHostName = request.getParameter("tlsHostName");

 boolean statusLine = false;
 if ("true".equals(request.getParameter("statusLine"))) {
 statusLine = true;
 }

 // Prepare our output writer to generate the response message
 response.setContentType("text/plain; charset=" + Constants.CHARSET);
 // Stop older versions of IE thinking they know best. We set text/plain
 // in the line above for a reason. IE's behaviour is unwanted at best
 // and dangerous at worst.
 response.setHeader("X-Content-Type-Options", "nosniff");
 PrintWriter writer = response.getWriter();

 // Process the requested command
 if (command == null) {
 writer.println(smClient.getString("managerServlet.noCommand"));
 } else if (command.equals("/deploy")) {
 if (war != null || config != null) {
 deploy(writer, config, cn, war, update, smClient);
 } else if (tag != null) {
 deploy(writer, cn, tag, smClient);
 } else {
 writer.println(smClient.getString("managerServlet.invalidCommand", command));
 }
 } else if (command.equals("/list")) {
 list(writer, smClient);
 } else if (command.equals("/reload")) {
 reload(writer, cn, smClient);
 } else if (command.equals("/resources")) {
 resources(writer, type, smClient);
 } else if (command.equals("/save")) {
 save(writer, path, smClient);
 } else if (command.equals("/serverinfo")) {
 serverinfo(writer, smClient);
 } else if (command.equals("/sessions")) {
 expireSessions(writer, cn, request, smClient);
 } else if (command.equals("/expire")) {
 expireSessions(writer, cn, request, smClient);
 } else if (command.equals("/start")) {
 start(writer, cn, smClient);
 } else if (command.equals("/stop")) {
 stop(writer, cn, smClient);
 } else if (command.equals("/undeploy")) {
 undeploy(writer, cn, smClient);
 } else if (command.equals("/findleaks")) {
 findleaks(statusLine, writer, smClient);
 } else if (command.equals("/vminfo")) {
 vmInfo(writer, smClient, request.getLocales());
 } else if (command.equals("/threaddump")) {
 threadDump(writer, smClient, request.getLocales());
 } else if (command.equals("/sslConnectorCiphers")) {
 sslConnectorCiphers(writer, smClient);
 } else if (command.equals("/sslConnectorCerts")) {
 sslConnectorCerts(writer, smClient);
 } else if (command.equals("/sslConnectorTrustedCerts")) {
 sslConnectorTrustedCerts(writer, smClient);
 } else if (command.equals("/sslReload")) {
 sslReload(writer, tlsHostName, smClient);
 } else {
 writer.println(smClient.getString("managerServlet.unknownCommand", command));
 }

 // Finish up the response
 writer.flush();
 writer.close();

 }

 /**
 * Process a PUT request for the specified resource.
 *
 * @param request The servlet request we are processing
 * @param response The servlet response we are creating
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet-specified error occurs
 */
 @Override
 public void doPut(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {

 StringManager smClient = StringManager.getManager(Constants.Package, request.getLocales());

 // Identify the request parameters that we need
 String command = request.getPathInfo();
 if (command == null) {
 command = request.getServletPath();
 }
 String path = request.getParameter("path");
 ContextName cn = null;
 if (path != null) {
 cn = new ContextName(path, request.getParameter("version"));
 }
 String config = request.getParameter("config");
 String tag = request.getParameter("tag");
 boolean update = false;
 if (request.getParameter("update") != null && request.getParameter("update").equals("true")) {
 update = true;
 }

 // Prepare our output writer to generate the response message
 response.setContentType("text/plain;charset=" + Constants.CHARSET);
 // Stop older versions of IE thinking they know best. We set text/plain
 // in the line above for a reason. IE's behaviour is unwanted at best
 // and dangerous at worst.
 response.setHeader("X-Content-Type-Options", "nosniff");
 PrintWriter writer = response.getWriter();

 // Process the requested command
 if (command == null) {
 writer.println(smClient.getString("managerServlet.noCommand"));
 } else if (command.equals("/deploy")) {
 deploy(writer, config, cn, tag, update, request, smClient);
 } else {
 writer.println(smClient.getString("managerServlet.unknownCommand", command));
 }

 // Finish up the response
 writer.flush();
 writer.close();

 }

 /**
 * 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("managerServlet.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);
 }

 // Acquire global JNDI resources if available
 Server server = ((Engine) host.getParent()).getService().getServer();
 if (server != null) {
 global = server.getGlobalNamingContext();
 }

 // Calculate the directory into which we will be deploying applications
 versioned = (File) getServletContext().getAttribute(ServletContext.TEMPDIR);

 configBase = new File(context.getCatalinaBase(), "conf");
 Container container = context;
 Container host = null;
 Container engine = null;
 while (container != null) {
 if (container instanceof Host) {
 host = container;
 }
 if (container instanceof Engine) {
 engine = container;
 }
 container = container.getParent();
 }
 if (engine != null) {
 configBase = new File(configBase, engine.getName());
 }
 if (host != null) {
 configBase = new File(configBase, host.getName());
 }
 // Note: The directory must exist for this to work.

 // Log debugging messages as necessary
 if (debug >= 1) {
 log("init: Associated with Deployer '" + oname + "'");
 if (global != null) {
 log("init: Global resources are available");
 }
 }

 }

 // -------------------------------------------------------- Private Methods

 /**
 * Find potential memory leaks caused by web application reload.
 *
 * @param statusLine Print a status line
 * @param writer The output writer
 * @param smClient StringManager for the client's locale
 */
 protected void findleaks(boolean statusLine, PrintWriter writer, StringManager smClient) {

 if (!(host instanceof StandardHost)) {
 writer.println(smClient.getString("managerServlet.findleaksFail"));
 return;
 }

 String[] results = ((StandardHost) host).findReloadedContextMemoryLeaks();

 if (results.length > 0) {
 if (statusLine) {
 writer.println(smClient.getString("managerServlet.findleaksList"));
 }
 for (String result : results) {
 if (result.isEmpty()) {
 result = "/";
 }
 writer.println(result);
 }
 } else if (statusLine) {
 writer.println(smClient.getString("managerServlet.findleaksNone"));
 }
 }

 protected void sslReload(PrintWriter writer, String tlsHostName, StringManager smClient) {
 Connector connectors[] = getConnectors();
 boolean found = false;
 for (Connector connector : connectors) {
 if (Boolean.TRUE.equals(connector.getProperty("SSLEnabled"))) {
 ProtocolHandler protocol = connector.getProtocolHandler();
 if (protocol instanceof AbstractHttp11Protocol<?>) {
 AbstractHttp11Protocol<?> http11Protoocol = (AbstractHttp11Protocol<?>) protocol;
 if (tlsHostName == null || tlsHostName.length() == 0) {
 found = true;
 http11Protoocol.reloadSslHostConfigs();
 } else {
 SSLHostConfig[] sslHostConfigs = http11Protoocol.findSslHostConfigs();
 for (SSLHostConfig sslHostConfig : sslHostConfigs) {
 // tlsHostName is as provided by the user so use a case insensitive
 // comparison as host names are case insensitive.
 if (sslHostConfig.getHostName().equalsIgnoreCase(tlsHostName)) {
 found = true;
 http11Protoocol.reloadSslHostConfig(tlsHostName);
 }
 }
 }
 }
 }
 }
 if (found) {
 if (tlsHostName == null || tlsHostName.length() == 0) {
 writer.println(smClient.getString("managerServlet.sslReloadAll"));
 } else {
 writer.println(smClient.getString("managerServlet.sslReload", tlsHostName));
 }
 } else {
 writer.println(smClient.getString("managerServlet.sslReloadFail"));
 }
 }

 /**
 * Write some VM info.
 *
 * @param writer The output writer
 * @param smClient StringManager for the client's locale
 * @param requestedLocales the client's locales
 */
 protected void vmInfo(PrintWriter writer, StringManager smClient, Enumeration<Locale> requestedLocales) {
 writer.println(smClient.getString("managerServlet.vminfo"));
 writer.print(Diagnostics.getVMInfo(requestedLocales));
 }

 /**
 * Write a JVM thread dump.
 *
 * @param writer The output writer
 * @param smClient StringManager for the client's locale
 * @param requestedLocales the client's locales
 */
 protected void threadDump(PrintWriter writer, StringManager smClient, Enumeration<Locale> requestedLocales) {
 writer.println(smClient.getString("managerServlet.threaddump"));
 writer.print(Diagnostics.getThreadDump(requestedLocales));
 }

 protected void sslConnectorCiphers(PrintWriter writer, StringManager smClient) {
 writer.println(smClient.getString("managerServlet.sslConnectorCiphers"));
 Map<String,List<String>> connectorCiphers = getConnectorCiphers(smClient);
 for (Map.Entry<String,List<String>> entry : connectorCiphers.entrySet()) {
 writer.println(entry.getKey());
 for (String cipher : entry.getValue()) {
 writer.print(" ");
 writer.println(cipher);
 }
 }
 }

 private void sslConnectorCerts(PrintWriter writer, StringManager smClient) {
 writer.println(smClient.getString("managerServlet.sslConnectorCerts"));
 Map<String,List<String>> connectorCerts = getConnectorCerts(smClient);
 for (Map.Entry<String,List<String>> entry : connectorCerts.entrySet()) {
 writer.println(entry.getKey());
 for (String cert : entry.getValue()) {
 writer.println(cert);
 }
 }
 }

 private void sslConnectorTrustedCerts(PrintWriter writer, StringManager smClient) {
 writer.println(smClient.getString("managerServlet.sslConnectorTrustedCerts"));
 Map<String,List<String>> connectorTrustedCerts = getConnectorTrustedCerts(smClient);
 for (Map.Entry<String,List<String>> entry : connectorTrustedCerts.entrySet()) {
 writer.println(entry.getKey());
 for (String cert : entry.getValue()) {
 writer.println(cert);
 }
 }
 }

 /**
 * Store server configuration.
 *
 * @param writer Destination for any user message(s) during this operation
 * @param path Optional context path to save
 * @param smClient i18n support for current client's locale
 */
 protected synchronized void save(PrintWriter writer, String path, StringManager smClient) {

 ObjectName storeConfigOname;
 try {
 // Note: Hard-coded domain used since this object is per Server/JVM
 storeConfigOname = new ObjectName("Catalina:type=StoreConfig");
 } catch (MalformedObjectNameException e) {
 // Should never happen. The name above is valid.
 log(sm.getString("managerServlet.exception"), e);
 writer.println(smClient.getString("managerServlet.exception", e.toString()));
 return;
 }

 if (!mBeanServer.isRegistered(storeConfigOname)) {
 writer.println(smClient.getString("managerServlet.storeConfig.noMBean", storeConfigOname));
 return;
 }

 if (path == null || path.length() == 0 || !path.startsWith("/")) {
 try {
 mBeanServer.invoke(storeConfigOname, "storeConfig", null, null);
 writer.println(smClient.getString("managerServlet.saved"));
 } catch (Exception e) {
 log(sm.getString("managerServlet.error.storeConfig"), e);
 writer.println(smClient.getString("managerServlet.exception", e.toString()));
 }
 } else {
 String contextPath = path;
 if (path.equals("/")) {
 contextPath = "";
 }
 Context context = (Context) host.findChild(contextPath);
 if (context == null) {
 writer.println(smClient.getString("managerServlet.noContext", path));
 return;
 }
 try {
 Boolean result = (Boolean) mBeanServer.invoke(storeConfigOname, "store", new Object[] { context },
 new String[] { "org.apache.catalina.Context" });
 if (result.booleanValue()) {
 writer.println(smClient.getString("managerServlet.savedContext", path));
 } else {
 writer.println(smClient.getString("managerServlet.savedContextFail", path));
 }
 } catch (Exception e) {
 log(sm.getString("managerServlet.error.storeContextConfig", path), e);
 writer.println(smClient.getString("managerServlet.exception", e.toString()));
 }
 }
 }

 /**
 * Deploy a web application archive (included in the current request) at the specified context path.
 *
 * @param writer Writer to render results to
 * @param config URL of the context configuration file to be installed
 * @param cn Name of the application to be installed
 * @param tag Tag to be associated with the webapp
 * @param update Flag that indicates that any existing app should be replaced
 * @param request Servlet request we are processing
 * @param smClient i18n messages using the locale of the client
 */
 protected void deploy(PrintWriter writer, String config, ContextName cn, String tag, boolean update,
 HttpServletRequest request, StringManager smClient) {

 if (config != null && config.length() == 0) {
 config = null;
 }

 if (debug >= 1) {
 if (config == null) {
 log("deploy: Deploying web application '" + cn + "'");
 } else {
 log("deploy: Deploying web application '" + cn + "' " + "with context configuration at '" + config +
 "'");
 }
 }

 // Validate the requested context path
 if (!validateContextName(cn, writer, smClient)) {
 return;
 }
 String name = cn.getName();
 String baseName = cn.getBaseName();
 String displayPath = cn.getDisplayName();

 // If app exists deployment can only proceed if update is true
 // Note existing WAR will be deleted and then replaced
 Context context = (Context) host.findChild(name);
 if (context != null && !update) {
 writer.println(smClient.getString("managerServlet.alreadyContext", displayPath));
 return;
 }

 if (config != null && config.startsWith("file:")) {
 config = config.substring("file:".length());
 }

 File deployedWar = new File(host.getAppBaseFile(), baseName + ".war");

 // Determine full path for uploaded WAR
 File uploadedWar;
 if (tag == null) {
 if (update) {
 // Append ".tmp" to the file name so it won't get deployed if auto
 // deployment is enabled. It also means the old war won't get
 // deleted if the upload fails
 uploadedWar = new File(deployedWar.getAbsolutePath() + ".tmp");
 if (uploadedWar.exists() && !uploadedWar.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", uploadedWar));
 }
 } else {
 uploadedWar = deployedWar;
 }
 } else {
 File uploadPath = new File(versioned, tag);
 if (!uploadPath.mkdirs() && !uploadPath.isDirectory()) {
 writer.println(smClient.getString("managerServlet.mkdirFail", uploadPath));
 return;
 }
 uploadedWar = new File(uploadPath, baseName + ".war");
 }
 if (debug >= 2) {
 log("Uploading WAR file to " + uploadedWar);
 }

 try {
 if (tryAddServiced(name)) {
 try {
 if (config != null) {
 if (!configBase.mkdirs() && !configBase.isDirectory()) {
 writer.println(smClient.getString("managerServlet.mkdirFail", configBase));
 return;
 }
 if (ExpandWar.copy(new File(config), new File(configBase, baseName + ".xml")) == false) {
 throw new Exception(sm.getString("managerServlet.copyError", config));
 }
 }
 // Upload WAR
 uploadWar(writer, request, uploadedWar, smClient);
 if (update && tag == null) {
 if (deployedWar.exists() && !deployedWar.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", deployedWar));
 return;
 }
 // Rename uploaded WAR file
 if (!uploadedWar.renameTo(deployedWar)) {
 writer.println(smClient.getString("managerServlet.renameFail", uploadedWar, deployedWar));
 return;
 }
 }
 if (tag != null) {
 // Copy WAR to the host's appBase
 ExpandWar.copy(uploadedWar, deployedWar);
 }
 } finally {
 removeServiced(name);
 }
 // Perform new deployment
 check(name);
 } else {
 writer.println(smClient.getString("managerServlet.inService", displayPath));
 }
 } catch (Exception e) {
 log(sm.getString("managerServlet.error.deploy", displayPath), e);
 writer.println(smClient.getString("managerServlet.exception", e.toString()));
 return;
 }

 writeDeployResult(writer, smClient, name, displayPath);
 }

 /**
 * Install an application for the specified path from the specified web application archive.
 *
 * @param writer Writer to render results to
 * @param tag Revision tag to deploy from
 * @param cn Name of the application to be installed
 * @param smClient i18n messages using the locale of the client
 */
 protected void deploy(PrintWriter writer, ContextName cn, String tag, StringManager smClient) {

 // NOTE: It is assumed that update is always true in this method.

 // Validate the requested context path
 if (!validateContextName(cn, writer, smClient)) {
 return;
 }

 String baseName = cn.getBaseName();
 String name = cn.getName();
 String displayPath = cn.getDisplayName();

 // Find the local WAR file
 File localWar = new File(new File(versioned, tag), baseName + ".war");

 File deployedWar = new File(host.getAppBaseFile(), baseName + ".war");

 // Copy WAR to appBase
 try {
 if (tryAddServiced(name)) {
 try {
 if (!deployedWar.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", deployedWar));
 return;
 }
 ExpandWar.copy(localWar, deployedWar);
 } finally {
 removeServiced(name);
 }
 // Perform new deployment
 check(name);
 } else {
 writer.println(smClient.getString("managerServlet.inService", displayPath));
 }
 } catch (Exception e) {
 log(sm.getString("managerServlet.error.deploy", displayPath), e);
 writer.println(smClient.getString("managerServlet.exception", e.toString()));
 return;
 }

 writeDeployResult(writer, smClient, name, displayPath);
 }

 /**
 * Install an application for the specified path from the specified web application archive.
 *
 * @param writer Writer to render results to
 * @param config URL of the context configuration file to be installed
 * @param cn Name of the application to be installed
 * @param war URL of the web application archive to be installed
 * @param update true to override any existing webapp on the path
 * @param smClient i18n messages using the locale of the client
 */
 protected void deploy(PrintWriter writer, String config, ContextName cn, String war, boolean update,
 StringManager smClient) {

 if (config != null && config.length() == 0) {
 config = null;
 }
 if (war != null && war.length() == 0) {
 war = null;
 }

 if (debug >= 1) {
 if (config != null) {
 if (war != null) {
 log("install: Installing context configuration at '" + config + "' from '" + war + "'");
 } else {
 log("install: Installing context configuration at '" + config + "'");
 }
 } else {
 if (cn != null) {
 log("install: Installing web application '" + cn + "' from '" + war + "'");
 } else {
 log("install: Installing web application from '" + war + "'");
 }
 }
 }

 if (!validateContextName(cn, writer, smClient)) {
 return;
 }
 @SuppressWarnings("null") // checked in call above
 String name = cn.getName();
 String baseName = cn.getBaseName();
 String displayPath = cn.getDisplayName();

 // If app exists deployment can only proceed if update is true
 // Note existing files will be deleted and then replaced
 Context context = (Context) host.findChild(name);
 if (context != null && !update) {
 writer.println(smClient.getString("managerServlet.alreadyContext", displayPath));
 return;
 }

 if (config != null && config.startsWith("file:")) {
 config = config.substring("file:".length());
 }
 if (war != null && war.startsWith("file:")) {
 war = war.substring("file:".length());
 }

 try {
 if (tryAddServiced(name)) {
 try {
 if (config != null) {
 if (!configBase.mkdirs() && !configBase.isDirectory()) {
 writer.println(smClient.getString("managerServlet.mkdirFail", configBase));
 return;
 }
 File localConfigFile = new File(configBase, baseName + ".xml");
 File configFile = new File(config);
 // Skip delete and copy if source == destination
 if (!configFile.getCanonicalPath().equals(localConfigFile.getCanonicalPath())) {
 if (localConfigFile.isFile() && !localConfigFile.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", localConfigFile));
 return;
 }
 ExpandWar.copy(configFile, localConfigFile);
 }
 }
 if (war != null) {
 File localWarFile;
 if (war.endsWith(".war")) {
 localWarFile = new File(host.getAppBaseFile(), baseName + ".war");
 } else {
 localWarFile = new File(host.getAppBaseFile(), baseName);
 }
 File warFile = new File(war);
 // Skip delete and copy if source == destination
 if (!warFile.getCanonicalPath().equals(localWarFile.getCanonicalPath())) {
 if (localWarFile.exists() && !ExpandWar.delete(localWarFile)) {
 writer.println(smClient.getString("managerServlet.deleteFail", localWarFile));
 return;
 }
 ExpandWar.copy(warFile, localWarFile);
 }
 }
 } finally {
 removeServiced(name);
 }
 // Perform new deployment
 check(name);
 } else {
 writer.println(smClient.getString("managerServlet.inService", displayPath));
 }
 writeDeployResult(writer, smClient, name, displayPath);
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.deploy", displayPath), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }

 }

 private void writeDeployResult(PrintWriter writer, StringManager smClient, String name, String displayPath) {
 Context deployed = (Context) host.findChild(name);
 if (deployed != null && deployed.getConfigured() && deployed.getState().isAvailable()) {
 writer.println(smClient.getString("managerServlet.deployed", displayPath));
 } else if (deployed != null && !deployed.getState().isAvailable()) {
 writer.println(smClient.getString("managerServlet.deployedButNotStarted", displayPath));
 } else {
 // Something failed
 writer.println(smClient.getString("managerServlet.deployFailed", displayPath));
 }
 }

 /**
 * Render a list of the currently active Contexts in our virtual host.
 *
 * @param writer Writer to render to
 * @param smClient i18n support for current client's locale
 */
 protected void list(PrintWriter writer, StringManager smClient) {

 if (debug >= 1) {
 log("list: Listing contexts for virtual host '" + host.getName() + "'");
 }

 writer.println(smClient.getString("managerServlet.listed", host.getName()));
 Container[] contexts = host.findChildren();
 for (Container container : contexts) {
 Context context = (Context) container;
 if (context != null) {
 String displayPath = context.getPath();
 if (displayPath.equals("")) {
 displayPath = "/";
 }
 List<String> parts = null;
 if (context.getState().isAvailable()) {
 parts = Arrays.asList(displayPath, "running", "" + context.getManager().findSessions().length,
 context.getDocBase());
 } else {
 parts = Arrays.asList(displayPath, "stopped", "0", context.getDocBase());
 }
 writer.println(StringUtils.join(parts, ':'));
 }
 }
 }

 /**
 * Reload the web application at the specified context path.
 *
 * @param writer Writer to render to
 * @param cn Name of the application to be restarted
 * @param smClient i18n support for current client's locale
 */
 protected void reload(PrintWriter writer, ContextName cn, StringManager smClient) {

 if (debug >= 1) {
 log("restart: Reloading web application '" + cn + "'");
 }

 if (!validateContextName(cn, writer, smClient)) {
 return;
 }

 try {
 Context context = (Context) host.findChild(cn.getName());
 if (context == null) {
 writer.println(
 smClient.getString("managerServlet.noContext", Escape.htmlElementContent(cn.getDisplayName())));
 return;
 }
 // It isn't possible for the manager to reload itself
 if (context.getName().equals(this.context.getName())) {
 writer.println(smClient.getString("managerServlet.noSelf"));
 return;
 }
 context.reload();
 writer.println(smClient.getString("managerServlet.reloaded", cn.getDisplayName()));
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.reload", cn.getDisplayName()), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }

 }

 /**
 * Render a list of available global JNDI resources.
 *
 * @param writer Writer to render to
 * @param type Fully qualified class name of the resource type of interest, or <code>null</code> to list
 * resources of all types
 * @param smClient i18n support for current client's locale
 */
 protected void resources(PrintWriter writer, String type, StringManager smClient) {

 if (debug >= 1) {
 if (type != null) {
 log("resources: Listing resources of type " + type);
 } else {
 log("resources: Listing resources of all types");
 }
 }

 // Is the global JNDI resources context available?
 if (global == null) {
 writer.println(smClient.getString("managerServlet.noGlobal"));
 return;
 }

 // Enumerate the global JNDI resources of the requested type
 if (type != null) {
 writer.println(smClient.getString("managerServlet.resourcesType", type));
 } else {
 writer.println(smClient.getString("managerServlet.resourcesAll"));
 }

 printResources(writer, "", global, type, smClient);

 }

 /**
 * List the resources of the given context.
 *
 * @param writer Writer to render to
 * @param prefix Path for recursion
 * @param namingContext The naming context for lookups
 * @param type Fully qualified class name of the resource type of interest, or <code>null</code> to list
 * resources of all types
 * @param smClient i18n support for current client's locale
 */
 protected void printResources(PrintWriter writer, String prefix, javax.naming.Context namingContext, String type,
 StringManager smClient) {
 try {
 NamingEnumeration<Binding> items = namingContext.listBindings("");
 while (items.hasMore()) {
 Binding item = items.next();
 Object obj = item.getObject();
 if (obj instanceof javax.naming.Context) {
 printResources(writer, prefix + item.getName() + "/", (javax.naming.Context) obj, type, smClient);
 } else {
 if (type != null && (obj == null || !IntrospectionUtils.isInstance(obj.getClass(), type))) {
 continue;
 }
 writer.print(prefix + item.getName());
 writer.print(':');
 writer.print(item.getClassName());
 // Do we want a description if available?
 writer.println();
 }
 }
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.resources", type), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }
 }

 /**
 * Writes System OS and JVM properties.
 *
 * @param writer Writer to render to
 * @param smClient i18n support for current client's locale
 */
 protected void serverinfo(PrintWriter writer, StringManager smClient) {
 if (debug >= 1) {
 log("serverinfo");
 }
 try {
 writer.println(smClient.getString("managerServlet.serverInfo", ServerInfo.getServerInfo(),
 System.getProperty("os.name"), System.getProperty("os.version"), System.getProperty("os.arch"),
 System.getProperty("java.runtime.version"), System.getProperty("java.vm.vendor")));
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.serverInfo"), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }
 }

 /**
 * Session information for the web application at the specified context path. Displays a profile of session
 * thisAccessedTime listing number of sessions for each 10 minute interval up to 10 hours.
 *
 * @param writer Writer to render to
 * @param cn Name of the application to list session information for
 * @param idle Expire all sessions with idle time > idle for this context
 * @param smClient i18n support for current client's locale
 */
 protected void sessions(PrintWriter writer, ContextName cn, int idle, StringManager smClient) {

 if (debug >= 1) {
 log("sessions: Session information for web application '" + cn + "'");
 if (idle >= 0) {
 log("sessions: Session expiration for " + idle + " minutes '" + cn + "'");
 }
 }

 if (!validateContextName(cn, writer, smClient)) {
 return;
 }

 String displayPath = cn.getDisplayName();

 try {
 Context context = (Context) host.findChild(cn.getName());
 if (context == null) {
 writer.println(smClient.getString("managerServlet.noContext", Escape.htmlElementContent(displayPath)));
 return;
 }
 Manager manager = context.getManager();
 if (manager == null) {
 writer.println(smClient.getString("managerServlet.noManager", Escape.htmlElementContent(displayPath)));
 return;
 }
 int maxCount = 60;
 int histoInterval = 1;
 int maxInactiveInterval = context.getSessionTimeout();
 if (maxInactiveInterval > 0) {
 histoInterval = maxInactiveInterval / maxCount;
 if (histoInterval * maxCount < maxInactiveInterval) {
 histoInterval++;
 }
 if (0 == histoInterval) {
 histoInterval = 1;
 }
 maxCount = maxInactiveInterval / histoInterval;
 if (histoInterval * maxCount < maxInactiveInterval) {
 maxCount++;
 }
 }

 writer.println(smClient.getString("managerServlet.sessions", displayPath));
 writer.println(smClient.getString("managerServlet.sessiondefaultmax", "" + maxInactiveInterval));
 Session[] sessions = manager.findSessions();
 int[] timeout = new int[maxCount + 1];
 int notimeout = 0;
 int expired = 0;
 for (Session session : sessions) {
 int time = (int) (session.getIdleTimeInternal() / 1000L);
 if (idle >= 0 && time >= idle * 60) {
 session.expire();
 expired++;
 }
 time = time / 60 / histoInterval;
 if (time < 0) {
 notimeout++;
 } else if (time >= maxCount) {
 timeout[maxCount]++;
 } else {
 timeout[time]++;
 }
 }
 if (timeout[0] > 0) {
 writer.println(
 smClient.getString("managerServlet.sessiontimeout", "<" + histoInterval, "" + timeout[0]));
 }
 for (int i = 1; i < maxCount; i++) {
 if (timeout[i] > 0) {
 writer.println(smClient.getString("managerServlet.sessiontimeout",
 "" + i * histoInterval + " - <" + (i + 1) * histoInterval, "" + timeout[i]));
 }
 }
 if (timeout[maxCount] > 0) {
 writer.println(smClient.getString("managerServlet.sessiontimeout", ">=" + maxCount * histoInterval,
 "" + timeout[maxCount]));
 }
 if (notimeout > 0) {
 writer.println(smClient.getString("managerServlet.sessiontimeout.unlimited", "" + notimeout));
 }
 if (idle >= 0) {
 writer.println(smClient.getString("managerServlet.sessiontimeout.expired", ">" + idle, "" + expired));
 }
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.sessions", displayPath), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }

 }

 /**
 * Extract the expiration request parameter
 *
 * @param writer Writer to render to
 * @param cn Name of the application to list session information for
 * @param req The Servlet request
 * @param smClient i18n support for current client's locale
 */
 protected void expireSessions(PrintWriter writer, ContextName cn, HttpServletRequest req, StringManager smClient) {
 int idle = -1;
 String idleParam = req.getParameter("idle");
 if (idleParam != null) {
 try {
 idle = Integer.parseInt(idleParam);
 } catch (NumberFormatException e) {
 log(sm.getString("managerServlet.error.idleParam", idleParam));
 }
 }
 sessions(writer, cn, idle, smClient);
 }

 /**
 * Start the web application at the specified context path.
 *
 * @param writer Writer to render to
 * @param cn Name of the application to be started
 * @param smClient i18n support for current client's locale
 */
 protected void start(PrintWriter writer, ContextName cn, StringManager smClient) {

 if (debug >= 1) {
 log("start: Starting web application '" + cn + "'");
 }

 if (!validateContextName(cn, writer, smClient)) {
 return;
 }

 String displayPath = cn.getDisplayName();

 try {
 Context context = (Context) host.findChild(cn.getName());
 if (context == null) {
 writer.println(smClient.getString("managerServlet.noContext", Escape.htmlElementContent(displayPath)));
 return;
 }
 context.start();
 if (context.getState().isAvailable()) {
 writer.println(smClient.getString("managerServlet.started", displayPath));
 } else {
 writer.println(smClient.getString("managerServlet.startFailed", displayPath));
 }
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.start", displayPath), t);
 writer.println(smClient.getString("managerServlet.startFailed", displayPath));
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }

 }

 /**
 * Stop the web application at the specified context path.
 *
 * @param writer Writer to render to
 * @param cn Name of the application to be stopped
 * @param smClient i18n support for current client's locale
 */
 protected void stop(PrintWriter writer, ContextName cn, StringManager smClient) {

 if (debug >= 1) {
 log("stop: Stopping web application '" + cn + "'");
 }

 if (!validateContextName(cn, writer, smClient)) {
 return;
 }

 String displayPath = cn.getDisplayName();

 try {
 Context context = (Context) host.findChild(cn.getName());
 if (context == null) {
 writer.println(smClient.getString("managerServlet.noContext", Escape.htmlElementContent(displayPath)));
 return;
 }
 // It isn't possible for the manager to stop itself
 if (context.getName().equals(this.context.getName())) {
 writer.println(smClient.getString("managerServlet.noSelf"));
 return;
 }
 context.stop();
 writer.println(smClient.getString("managerServlet.stopped", displayPath));
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.stop", displayPath), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }

 }

 /**
 * Undeploy the web application at the specified context path.
 *
 * @param writer Writer to render to
 * @param cn Name of the application to be removed
 * @param smClient i18n support for current client's locale
 */
 protected void undeploy(PrintWriter writer, ContextName cn, StringManager smClient) {

 if (debug >= 1) {
 log("undeploy: Undeploying web application at '" + cn + "'");
 }

 if (!validateContextName(cn, writer, smClient)) {
 return;
 }

 String name = cn.getName();
 String baseName = cn.getBaseName();
 String displayPath = cn.getDisplayName();

 try {

 // Validate the Context of the specified application
 Context context = (Context) host.findChild(name);
 if (context == null) {
 writer.println(smClient.getString("managerServlet.noContext", Escape.htmlElementContent(displayPath)));
 return;
 }

 if (!isDeployed(name)) {
 writer.println(
 smClient.getString("managerServlet.notDeployed", Escape.htmlElementContent(displayPath)));
 return;
 }

 if (tryAddServiced(name)) {
 try {
 // Try to stop the context first to be nicer
 context.stop();
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 }
 try {
 File war = new File(host.getAppBaseFile(), baseName + ".war");
 File dir = new File(host.getAppBaseFile(), baseName);
 File xml = new File(configBase, baseName + ".xml");
 if (war.exists() && !war.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", war));
 return;
 } else if (dir.exists() && !ExpandWar.delete(dir, false)) {
 writer.println(smClient.getString("managerServlet.deleteFail", dir));
 return;
 } else if (xml.exists() && !xml.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", xml));
 return;
 }
 } finally {
 removeServiced(name);
 }
 // Perform new deployment
 check(name);
 } else {
 writer.println(smClient.getString("managerServlet.inService", displayPath));
 }
 writer.println(smClient.getString("managerServlet.undeployed", displayPath));
 } catch (Throwable t) {
 ExceptionUtils.handleThrowable(t);
 log(sm.getString("managerServlet.error.undeploy", displayPath), t);
 writer.println(smClient.getString("managerServlet.exception", t.toString()));
 }

 }

 // -------------------------------------------------------- Support Methods

 /**
 * Invoke the isDeployed method on the deployer.
 *
 * @param name The webapp name
 *
 * @return <code>true</code> if a webapp with that name is deployed
 *
 * @throws Exception Propagate JMX invocation error
 */
 protected boolean isDeployed(String name) throws Exception {
 String[] params = { name };
 String[] signature = { "java.lang.String" };
 Boolean result = (Boolean) mBeanServer.invoke(oname, "isDeployed", params, signature);
 return result.booleanValue();
 }

 /**
 * Invoke the check method on the deployer.
 *
 * @param name The webapp name
 *
 * @throws Exception Propagate JMX invocation error
 */
 protected void check(String name) throws Exception {
 String[] params = { name };
 String[] signature = { "java.lang.String" };
 mBeanServer.invoke(oname, "check", params, signature);
 }

 /**
 * Attempt to mark a context as being serviced
 *
 * @param name The context name
 *
 * @return {@code true} if the application was marked as being serviced and {@code false} if the application was
 * already marked as being serviced
 *
 * @throws Exception Error invoking the deployer
 */
 protected boolean tryAddServiced(String name) throws Exception {
 String[] params = { name };
 String[] signature = { "java.lang.String" };
 Boolean result = (Boolean) mBeanServer.invoke(oname, "tryAddServiced", params, signature);
 return result.booleanValue();
 }

 /**
 * Invoke the removeServiced method on the deployer.
 *
 * @param name The webapp name
 *
 * @throws Exception Propagate JMX invocation error
 */
 protected void removeServiced(String name) throws Exception {
 String[] params = { name };
 String[] signature = { "java.lang.String" };
 mBeanServer.invoke(oname, "removeServiced", params, signature);
 }

 /**
 * Upload the WAR file included in this request, and store it at the specified file location.
 *
 * @param writer Writer to render to
 * @param request The servlet request we are processing
 * @param war The file into which we should store the uploaded WAR
 * @param smClient The StringManager used to construct i18n messages based on the Locale of the client
 *
 * @exception IOException if an I/O error occurs during processing
 */
 protected void uploadWar(PrintWriter writer, HttpServletRequest request, File war, StringManager smClient)
 throws IOException {

 if (war.exists() && !war.delete()) {
 String msg = smClient.getString("managerServlet.deleteFail", war);
 throw new IOException(msg);
 }

 try (ServletInputStream istream = request.getInputStream(); OutputStream ostream = new FileOutputStream(war)) {
 IOTools.flow(istream, ostream);
 } catch (IOException e) {
 if (war.exists() && !war.delete()) {
 writer.println(smClient.getString("managerServlet.deleteFail", war));
 }
 throw e;
 }
 }

 protected static boolean validateContextName(ContextName cn, PrintWriter writer, StringManager smClient) {

 // ContextName should be non-null with a path that is empty or starts
 // with /
 if (cn != null && (cn.getPath().startsWith("/") || cn.getPath().equals(""))) {
 return true;
 }

 String path = null;
 if (cn != null) {
 path = Escape.htmlElementContent(cn.getPath());
 }
 writer.println(smClient.getString("managerServlet.invalidPath", path));
 return false;
 }

 protected Map<String,List<String>> getConnectorCiphers(StringManager smClient) {
 Map<String,List<String>> result = new HashMap<>();

 Connector connectors[] = getConnectors();
 for (Connector connector : connectors) {
 if (Boolean.TRUE.equals(connector.getProperty("SSLEnabled"))) {
 SSLHostConfig[] sslHostConfigs = connector.getProtocolHandler().findSslHostConfigs();
 for (SSLHostConfig sslHostConfig : sslHostConfigs) {
 String name = connector.toString() + "-" + sslHostConfig.getHostName();
 /* Add cipher list, keep order but remove duplicates */
 result.put(name,
 new ArrayList<>(new LinkedHashSet<>(Arrays.asList(sslHostConfig.getEnabledCiphers()))));
 }
 } else {
 ArrayList<String> cipherList = new ArrayList<>(1);
 cipherList.add(smClient.getString("managerServlet.notSslConnector"));
 result.put(connector.toString(), cipherList);
 }
 }
 return result;
 }

 protected Map<String,List<String>> getConnectorCerts(StringManager smClient) {
 Map<String,List<String>> result = new HashMap<>();

 Connector connectors[] = getConnectors();
 for (Connector connector : connectors) {
 if (Boolean.TRUE.equals(connector.getProperty("SSLEnabled"))) {
 SSLHostConfig[] sslHostConfigs = connector.getProtocolHandler().findSslHostConfigs();
 for (SSLHostConfig sslHostConfig : sslHostConfigs) {
 if (sslHostConfig.getOpenSslContext().longValue() == 0) {
 // Not set. Must be JSSE based.
 Set<SSLHostConfigCertificate> sslHostConfigCerts = sslHostConfig.getCertificates();
 for (SSLHostConfigCertificate sslHostConfigCert : sslHostConfigCerts) {
 String name = connector.toString() + "-" + sslHostConfig.getHostName() + "-" +
 sslHostConfigCert.getType();
 List<String> certList = new ArrayList<>();
 SSLContext sslContext = sslHostConfigCert.getSslContext();
 String alias = sslHostConfigCert.getCertificateKeyAlias();
 if (alias == null) {
 alias = SSLUtilBase.DEFAULT_KEY_ALIAS;
 }
 X509Certificate[] certs = sslContext.getCertificateChain(alias);
 if (certs == null) {
 certList.add(smClient.getString("managerServlet.certsNotAvailable"));
 } else {
 for (Certificate cert : certs) {
 certList.add(cert.toString());
 }
 }
 result.put(name, certList);
 }
 } else {
 List<String> certList = new ArrayList<>();
--> --------------------

--> maximum size reached

--> --------------------

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