| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed 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 com.google.gwt.dev.shell.jetty; |
| |
| import com.google.gwt.core.ext.ServletContainer; |
| import com.google.gwt.core.ext.ServletContainerLauncher; |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.dev.util.InstalledHelpInfo; |
| import com.google.gwt.dev.util.Util; |
| |
| import org.apache.tools.ant.taskdefs.Javac; |
| import org.eclipse.jdt.core.JDTCompilerAdapter; |
| import org.eclipse.jetty.http.HttpFields; |
| import org.eclipse.jetty.http.HttpFields.Field; |
| import org.eclipse.jetty.server.AbstractConnector; |
| import org.eclipse.jetty.server.AbstractHttpConnection; |
| import org.eclipse.jetty.server.Request; |
| import org.eclipse.jetty.server.RequestLog; |
| import org.eclipse.jetty.server.Response; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.handler.RequestLogHandler; |
| import org.eclipse.jetty.server.nio.SelectChannelConnector; |
| import org.eclipse.jetty.server.ssl.SslSocketConnector; |
| import org.eclipse.jetty.util.component.AbstractLifeCycle; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| import org.eclipse.jetty.webapp.ClasspathPattern; |
| import org.eclipse.jetty.webapp.WebAppClassLoader; |
| import org.eclipse.jetty.webapp.WebAppContext; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| |
| import javax.imageio.ImageIO; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| /** |
| * A {@link ServletContainerLauncher} for an embedded Jetty server. |
| */ |
| public class JettyLauncher extends ServletContainerLauncher { |
| |
| /** |
| * Ant compiler adapter for Eclipse Java compiler, but with default |
| * target and source compatibility set to Java 6. |
| */ |
| public static final class JDTCompiler16 extends JDTCompilerAdapter { |
| @Override |
| public void setJavac(Javac attributes) { |
| if (attributes.getTarget() == null) { |
| attributes.setTarget("1.6"); |
| } |
| if (attributes.getSource() == null) { |
| attributes.setSource("1.6"); |
| } |
| super.setJavac(attributes); |
| } |
| } |
| |
| /** |
| * Log jetty requests/responses to TreeLogger. |
| */ |
| public static class JettyRequestLogger extends AbstractLifeCycle implements |
| RequestLog { |
| |
| private final TreeLogger logger; |
| private final TreeLogger.Type normalLogLevel; |
| |
| public JettyRequestLogger(TreeLogger logger, TreeLogger.Type normalLogLevel) { |
| this.logger = logger; |
| assert (normalLogLevel != null); |
| this.normalLogLevel = normalLogLevel; |
| } |
| |
| /** |
| * Log an HTTP request/response to TreeLogger. |
| */ |
| public void log(Request request, Response response) { |
| int status = response.getStatus(); |
| if (status < 0) { |
| // Copied from NCSARequestLog |
| status = 404; |
| } |
| TreeLogger.Type logStatus, logHeaders; |
| if (status >= 500) { |
| logStatus = TreeLogger.ERROR; |
| logHeaders = TreeLogger.INFO; |
| } else if (status == 404) { |
| if ("/favicon.ico".equals(request.getRequestURI()) |
| && request.getQueryString() == null) { |
| /* |
| * We do not want to call the developer's attention to a 404 when |
| * requesting favicon.ico. This is a very common 404. |
| */ |
| logStatus = TreeLogger.TRACE; |
| logHeaders = TreeLogger.DEBUG; |
| } else { |
| logStatus = TreeLogger.WARN; |
| logHeaders = TreeLogger.INFO; |
| } |
| } else if (status >= 400) { |
| logStatus = TreeLogger.WARN; |
| logHeaders = TreeLogger.INFO; |
| } else { |
| logStatus = normalLogLevel; |
| logHeaders = TreeLogger.DEBUG; |
| } |
| |
| String userString = request.getRemoteUser(); |
| if (userString == null) { |
| userString = ""; |
| } else { |
| userString += "@"; |
| } |
| String bytesString = ""; |
| if (response.getContentCount() > 0) { |
| bytesString = " " + response.getContentCount() + " bytes"; |
| } |
| if (logger.isLoggable(logStatus)) { |
| TreeLogger branch = logger.branch(logStatus, String.valueOf(status) |
| + " - " + request.getMethod() + ' ' + request.getUri() + " (" |
| + userString + request.getRemoteHost() + ')' + bytesString); |
| if (branch.isLoggable(logHeaders)) { |
| AbstractHttpConnection connection = request.getConnection(); |
| logHeaders(branch.branch(logHeaders, "Request headers"), logHeaders, |
| connection.getRequestFields()); |
| logHeaders(branch.branch(logHeaders, "Response headers"), logHeaders, |
| connection.getResponseFields()); |
| } |
| } |
| } |
| |
| private void logHeaders(TreeLogger logger, TreeLogger.Type logLevel, HttpFields fields) { |
| for (int i = 0; i < fields.size(); ++i) { |
| Field field = fields.getField(i); |
| logger.log(logLevel, field.getName() + ": " + field.getValue()); |
| } |
| } |
| } |
| |
| /** |
| * An adapter for the Jetty logging system to GWT's TreeLogger. This |
| * implementation class is only public to allow {@link Log} to instantiate it. |
| * |
| * The weird static data / default construction setup is a game we play with |
| * {@link Log}'s static initializer to prevent the initial log message from |
| * going to stderr. |
| */ |
| public static class JettyTreeLogger implements Logger { |
| private final TreeLogger logger; |
| |
| public JettyTreeLogger(TreeLogger logger) { |
| if (logger == null) { |
| throw new NullPointerException(); |
| } |
| this.logger = logger; |
| } |
| |
| public void debug(String msg, Object... args) { |
| if (logger.isLoggable(TreeLogger.SPAM)) { |
| logger.log(TreeLogger.SPAM, format(msg, args)); |
| } |
| } |
| |
| public void debug(String msg, Throwable th) { |
| logger.log(TreeLogger.SPAM, msg, th); |
| } |
| |
| public void debug(Throwable th) { |
| logger.log(TreeLogger.SPAM, "", th); |
| } |
| |
| public Logger getLogger(String name) { |
| return this; |
| } |
| |
| public String getName() { |
| return ""; |
| } |
| |
| public void info(String msg, Object... args) { |
| if (logger.isLoggable(TreeLogger.TRACE)) { |
| logger.log(TreeLogger.TRACE, format(msg, args)); |
| } |
| } |
| |
| public void info(String msg, Throwable th) { |
| logger.log(TreeLogger.TRACE, msg, th); |
| } |
| |
| public void info(Throwable th) { |
| logger.log(TreeLogger.TRACE, "", th); |
| } |
| |
| public boolean isDebugEnabled() { |
| return logger.isLoggable(TreeLogger.SPAM); |
| } |
| |
| public void setDebugEnabled(boolean enabled) { |
| // ignored |
| } |
| |
| public void warn(String msg, Object... args) { |
| if (logger.isLoggable(TreeLogger.WARN)) { |
| logger.log(TreeLogger.WARN, format(msg, args)); |
| } |
| } |
| |
| public void warn(String msg, Throwable th) { |
| logger.log(TreeLogger.WARN, msg, th); |
| } |
| |
| public void warn(Throwable th) { |
| logger.log(TreeLogger.WARN, "", th); |
| } |
| |
| public void ignore(Throwable th) { |
| logger.log(TreeLogger.SPAM, "IGNORE", th); |
| } |
| |
| /** |
| * Copied from org.eclipse.log.StdErrLog. |
| */ |
| private String format(String msg, Object... args) { |
| if (msg == null) { |
| msg = ""; |
| for (int i = 0; i < args.length; i++) { |
| msg += "{} "; |
| } |
| } |
| String braces = "{}"; |
| int start = 0; |
| StringBuilder builder = new StringBuilder(); |
| for (Object arg : args) { |
| int bracesIndex = msg.indexOf(braces, start); |
| if (bracesIndex < 0) { |
| builder.append(msg.substring(start)); |
| builder.append(" "); |
| builder.append(arg); |
| start = msg.length(); |
| } else { |
| builder.append(msg.substring(start, bracesIndex)); |
| builder.append(String.valueOf(arg)); |
| start = bracesIndex + braces.length(); |
| } |
| } |
| builder.append(msg.substring(start)); |
| return builder.toString(); |
| } |
| } |
| |
| /** |
| * The resulting {@link ServletContainer} this is launched. |
| */ |
| protected static class JettyServletContainer extends ServletContainer { |
| private final int actualPort; |
| private final File appRootDir; |
| private final TreeLogger logger; |
| private final Server server; |
| private final WebAppContext wac; |
| |
| public JettyServletContainer(TreeLogger logger, Server server, |
| WebAppContext wac, int actualPort, File appRootDir) { |
| this.logger = logger; |
| this.server = server; |
| this.wac = wac; |
| this.actualPort = actualPort; |
| this.appRootDir = appRootDir; |
| } |
| |
| @Override |
| public int getPort() { |
| return actualPort; |
| } |
| |
| @Override |
| public void refresh() throws UnableToCompleteException { |
| String msg = "Reloading web app to reflect changes in " |
| + appRootDir.getAbsolutePath(); |
| TreeLogger branch = logger.branch(TreeLogger.INFO, msg); |
| // Temporarily log Jetty on the branch. |
| Log.setLog(new JettyTreeLogger(branch)); |
| try { |
| wac.stop(); |
| server.stop(); |
| wac.start(); |
| server.start(); |
| branch.log(TreeLogger.INFO, "Reload completed successfully"); |
| } catch (Exception e) { |
| branch.log(TreeLogger.ERROR, "Unable to restart embedded Jetty server", |
| e); |
| throw new UnableToCompleteException(); |
| } finally { |
| // Reset the top-level logger. |
| Log.setLog(new JettyTreeLogger(logger)); |
| } |
| } |
| |
| @Override |
| public void stop() throws UnableToCompleteException { |
| TreeLogger branch = logger.branch(TreeLogger.INFO, |
| "Stopping Jetty server"); |
| // Temporarily log Jetty on the branch. |
| Log.setLog(new JettyTreeLogger(branch)); |
| try { |
| server.stop(); |
| server.setStopAtShutdown(false); |
| branch.log(TreeLogger.TRACE, "Stopped successfully"); |
| } catch (Exception e) { |
| branch.log(TreeLogger.ERROR, "Unable to stop embedded Jetty server", e); |
| throw new UnableToCompleteException(); |
| } finally { |
| // Reset the top-level logger. |
| Log.setLog(new JettyTreeLogger(logger)); |
| } |
| } |
| } |
| |
| /** |
| * A {@link WebAppContext} tailored to GWT hosted mode. Features hot-reload |
| * with a new {@link WebAppClassLoader} to pick up disk changes. The default |
| * Jetty {@code WebAppContext} will create new instances of servlets, but it |
| * will not create a brand new {@link ClassLoader}. By creating a new {@code |
| * ClassLoader} each time, we re-read updated classes from disk. |
| * |
| * Also provides special class filtering to isolate the web app from the GWT |
| * hosting environment. |
| */ |
| protected static final class WebAppContextWithReload extends WebAppContext { |
| |
| /** |
| * Specialized {@link WebAppClassLoader} that allows outside resources to be |
| * brought in dynamically from the system path. A warning is issued when |
| * this occurs. |
| */ |
| private class WebAppClassLoaderExtension extends WebAppClassLoader { |
| |
| private static final String META_INF_SERVICES = "META-INF/services/"; |
| |
| private final ClasspathPattern systemClassesFromWebappFirst = new ClasspathPattern(new String[] { |
| "-javax.servlet.", |
| "javax.", |
| }); |
| private final ClasspathPattern allowedFromSystemClassLoader = new ClasspathPattern(new String[] { |
| "org.eclipse.jetty.", |
| // Jasper |
| "org.apache.jasper.", |
| "org.apache.commons.logging.", |
| // Xerces |
| "org.apache.xerces.", |
| "javax.xml.", // Used by Jetty for jetty-web.xml parsing |
| }); |
| |
| public WebAppClassLoaderExtension() throws IOException { |
| super(bootStrapOnlyClassLoader, WebAppContextWithReload.this); |
| } |
| |
| @Override |
| public URL findResource(String name) { |
| // Specifically for META-INF/services/javax.xml.parsers.SAXParserFactory |
| String checkName = name; |
| if (checkName.startsWith(META_INF_SERVICES)) { |
| checkName = checkName.substring(META_INF_SERVICES.length()); |
| } |
| checkName = checkName.replace('/', '.'); |
| |
| // For a system path, load from the outside world. |
| // Note: bootstrap has already been searched, so javax. classes should be |
| // tried from the webapp first (except for javax.servlet). |
| URL found; |
| if (isSystemClass(checkName) && !systemClassesFromWebappFirst.match(checkName)) { |
| found = systemClassLoader.getResource(name); |
| if (found != null) { |
| return found; |
| } |
| } |
| |
| // Always check this ClassLoader first. |
| found = super.findResource(name); |
| if (found != null) { |
| return found; |
| } |
| |
| // See if the outside world has it. |
| found = systemClassLoader.getResource(name); |
| if (found == null || isServerClass(checkName)) { |
| return null; |
| } |
| |
| // Special-case Jetty/Jasper/etc. resources |
| if (allowedFromSystemClassLoader.match(checkName) || |
| // Jasper uses Log4j (via Commons Logging), which will try |
| // to load those. |
| // We have a log4j.properties in user/test and don't want |
| // to add gwt-user when using a "Developer SDK" in Eclipse. |
| "log4j.xml".equals(name) || |
| "log4j.properties".equals(name)) { |
| return found; |
| } |
| |
| // Warn, add containing URL to our own ClassLoader, and retry the call. |
| String warnMessage = "Server resource '" |
| + name |
| + "' could not be found in the web app, but was found on the system classpath"; |
| if (!addContainingClassPathEntry(warnMessage, found, name)) { |
| return null; |
| } |
| return super.findResource(name); |
| } |
| |
| @Override |
| protected Class<?> findClass(String name) throws ClassNotFoundException { |
| // For system path, always prefer the outside world. |
| // Note: bootstrap has already been searched, so javax. classes should be |
| // tried from the webapp first (except for javax.servlet). |
| if (isSystemClass(name) && !systemClassesFromWebappFirst.match(name)) { |
| try { |
| return systemClassLoader.loadClass(name); |
| } catch (ClassNotFoundException e) { |
| } |
| } |
| |
| try { |
| return super.findClass(name); |
| } catch (ClassNotFoundException e) { |
| // Don't allow server classes to be loaded from the outside. |
| if (isServerClass(name)) { |
| throw e; |
| } |
| } |
| |
| // See if the outside world has a URL for it. |
| String resourceName = name.replace('.', '/') + ".class"; |
| URL found = systemClassLoader.getResource(resourceName); |
| if (found == null) { |
| return null; |
| } |
| |
| // Those classes are allowed to be loaded right from the systemClassLoader |
| // Note: Jetty classes here are not "server classes", handled above. |
| if (allowedFromSystemClassLoader.match(name)) { |
| return systemClassLoader.loadClass(name); |
| } |
| |
| // Warn, add containing URL to our own ClassLoader, and retry the call. |
| String warnMessage = "Server class '" |
| + name |
| + "' could not be found in the web app, but was found on the system classpath"; |
| if (!addContainingClassPathEntry(warnMessage, found, resourceName)) { |
| throw new ClassNotFoundException(name); |
| } |
| return super.findClass(name); |
| } |
| |
| private boolean addContainingClassPathEntry(String warnMessage, |
| URL resource, String resourceName) { |
| TreeLogger.Type logLevel = (System.getProperty(PROPERTY_NOWARN_WEBAPP_CLASSPATH) == null) |
| ? TreeLogger.WARN : TreeLogger.DEBUG; |
| TreeLogger branch = logger.branch(logLevel, warnMessage); |
| String classPathURL; |
| String foundStr = resource.toExternalForm(); |
| if (resource.getProtocol().equals("file")) { |
| assert foundStr.endsWith(resourceName); |
| classPathURL = foundStr.substring(0, foundStr.length() |
| - resourceName.length()); |
| } else if (resource.getProtocol().equals("jar")) { |
| assert foundStr.startsWith("jar:"); |
| assert foundStr.endsWith("!/" + resourceName); |
| classPathURL = foundStr.substring(4, foundStr.length() |
| - (2 + resourceName.length())); |
| } else { |
| branch.log(TreeLogger.ERROR, |
| "Found resouce but unrecognized URL format: '" + foundStr + '\''); |
| return false; |
| } |
| branch = branch.branch(logLevel, "Adding classpath entry '" |
| + classPathURL + "' to the web app classpath for this session", |
| null, new InstalledHelpInfo("webAppClassPath.html")); |
| try { |
| addClassPath(classPathURL); |
| return true; |
| } catch (IOException e) { |
| branch.log(TreeLogger.ERROR, "Failed add container URL: '" |
| + classPathURL + '\'', e); |
| return false; |
| } |
| } |
| } |
| |
| /** |
| * Parent ClassLoader for the Jetty web app, which can only load JVM |
| * classes. We would just use <code>null</code> for the parent ClassLoader |
| * except this makes Jetty unhappy. |
| */ |
| private final ClassLoader bootStrapOnlyClassLoader = new ClassLoader(null) { |
| }; |
| |
| private final TreeLogger logger; |
| |
| /** |
| * In the usual case of launching {@link com.google.gwt.dev.DevMode}, this |
| * will always by the system app ClassLoader. |
| */ |
| private final ClassLoader systemClassLoader = Thread.currentThread().getContextClassLoader(); |
| |
| private WebAppContextWithReload(TreeLogger logger, String webApp, |
| String contextPath) { |
| super(webApp, contextPath); |
| this.logger = logger; |
| |
| // Prevent file locking on Windows; pick up file changes. |
| getInitParams().put( |
| "org.eclipse.jetty.servlet.Default.useFileMappedBuffer", "false"); |
| |
| // Since the parent class loader is bootstrap-only, prefer it first. |
| setParentLoaderPriority(true); |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| setClassLoader(new WebAppClassLoaderExtension()); |
| super.doStart(); |
| } |
| |
| @Override |
| protected void doStop() throws Exception { |
| super.doStop(); |
| |
| Class<?> jdbcUnloader = |
| getClassLoader().loadClass("com.google.gwt.dev.shell.jetty.JDBCUnloader"); |
| java.lang.reflect.Method unload = jdbcUnloader.getMethod("unload"); |
| unload.invoke(null); |
| |
| setClassLoader(null); |
| } |
| } |
| |
| /** |
| * Represents the type of SSL client certificate authentication desired. |
| */ |
| private enum ClientAuth { |
| NONE, |
| WANT, |
| REQUIRE, |
| } |
| |
| /** |
| * System property to suppress warnings about loading web app classes from the |
| * system classpath. |
| */ |
| private static final String PROPERTY_NOWARN_WEBAPP_CLASSPATH = "gwt.nowarn.webapp.classpath"; |
| |
| static { |
| /* |
| * Make JDT the default Ant compiler so that JSP compilation just works |
| * out-of-the-box. If we don't set this, it's very, very difficult to make |
| * JSP compilation work. |
| */ |
| String antJavaC = System.getProperty("build.compiler", JDTCompiler16.class.getName()); |
| System.setProperty("build.compiler", antJavaC); |
| } |
| |
| /** |
| * Setup a connector for the bind address/port. |
| * |
| * @param connector |
| * @param bindAddress |
| * @param port |
| */ |
| private static void setupConnector(AbstractConnector connector, |
| String bindAddress, int port) { |
| if (bindAddress != null) { |
| connector.setHost(bindAddress.toString()); |
| } |
| connector.setPort(port); |
| |
| // Don't share ports with an existing process. |
| connector.setReuseAddress(false); |
| |
| // Linux keeps the port blocked after shutdown if we don't disable this. |
| connector.setSoLingerTime(0); |
| } |
| |
| // default value used if setBaseLogLevel isn't called |
| private TreeLogger.Type baseLogLevel = TreeLogger.INFO; |
| |
| private String bindAddress = null; |
| |
| private ClientAuth clientAuth; |
| |
| private String keyStore; |
| |
| private String keyStorePassword; |
| |
| private final Object privateInstanceLock = new Object(); |
| |
| private boolean useSsl; |
| |
| @Override |
| public String getName() { |
| return "Jetty"; |
| } |
| |
| @Override |
| public boolean isSecure() { |
| return useSsl; |
| } |
| |
| @Override |
| public boolean processArguments(TreeLogger logger, String arguments) { |
| if (arguments != null && arguments.length() > 0) { |
| // TODO(jat): better parsing of the args |
| for (String arg : arguments.split(",")) { |
| int equals = arg.indexOf('='); |
| String tag; |
| String value = null; |
| if (equals < 0) { |
| tag = arg; |
| } else { |
| tag = arg.substring(0, equals); |
| value = arg.substring(equals + 1); |
| } |
| if ("ssl".equals(tag)) { |
| useSsl = true; |
| URL keyStoreUrl = getClass().getResource("localhost.keystore"); |
| if (keyStoreUrl == null) { |
| logger.log(TreeLogger.ERROR, "Default GWT keystore not found"); |
| return false; |
| } |
| keyStore = keyStoreUrl.toExternalForm(); |
| keyStorePassword = "localhost"; |
| } else if ("keystore".equals(tag)) { |
| useSsl = true; |
| keyStore = value; |
| } else if ("password".equals(tag)) { |
| useSsl = true; |
| keyStorePassword = value; |
| } else if ("pwfile".equals(tag)) { |
| useSsl = true; |
| keyStorePassword = Util.readFileAsString(new File(value)).trim(); |
| if (keyStorePassword == null) { |
| logger.log(TreeLogger.ERROR, |
| "Unable to read keystore password from '" + value + "'"); |
| return false; |
| } |
| } else if ("clientAuth".equals(tag)) { |
| useSsl = true; |
| try { |
| clientAuth = ClientAuth.valueOf(value); |
| } catch (IllegalArgumentException e) { |
| logger.log(TreeLogger.WARN, "Ignoring invalid clientAuth of '" |
| + value + "'"); |
| } |
| } else { |
| logger.log(TreeLogger.ERROR, "Unexpected argument to " |
| + JettyLauncher.class.getSimpleName() + ": " + arg); |
| return false; |
| } |
| } |
| if (useSsl) { |
| if (keyStore == null) { |
| logger.log(TreeLogger.ERROR, "A keystore is required to use SSL"); |
| return false; |
| } |
| if (keyStorePassword == null) { |
| logger.log(TreeLogger.ERROR, |
| "A keystore password is required to use SSL"); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| /* |
| * TODO: This is a hack to pass the base log level to the SCL. We'll have to |
| * figure out a better way to do this for SCLs in general. Please do not |
| * depend on this method, as it is subject to change. |
| */ |
| public void setBaseRequestLogLevel(TreeLogger.Type baseLogLevel) { |
| synchronized (privateInstanceLock) { |
| this.baseLogLevel = baseLogLevel; |
| } |
| } |
| |
| @Override |
| public void setBindAddress(String bindAddress) { |
| this.bindAddress = bindAddress; |
| } |
| |
| @Override |
| public ServletContainer start(TreeLogger logger, int port, File appRootDir) |
| throws Exception { |
| TreeLogger branch = logger.branch(TreeLogger.TRACE, |
| "Starting Jetty on port " + port, null); |
| |
| checkStartParams(branch, port, appRootDir); |
| |
| // Setup our branch logger during startup. |
| Log.setLog(new JettyTreeLogger(branch)); |
| |
| // Force load some JRE singletons that can pin the classloader. |
| jreLeakPrevention(logger); |
| |
| // Turn off XML validation. |
| System.setProperty("org.eclipse.jetty.xml.XmlParser.Validating", "false"); |
| |
| Server server = new Server(); |
| |
| AbstractConnector connector = getConnector(logger); |
| setupConnector(connector, bindAddress, port); |
| server.addConnector(connector); |
| |
| // Create a new web app in the war directory. |
| WebAppContext wac = createWebAppContext(logger, appRootDir); |
| |
| RequestLogHandler logHandler = new RequestLogHandler(); |
| logHandler.setRequestLog(new JettyRequestLogger(logger, getBaseLogLevel())); |
| logHandler.setHandler(wac); |
| server.setHandler(logHandler); |
| server.start(); |
| server.setStopAtShutdown(true); |
| |
| // Now that we're started, log to the top level logger. |
| Log.setLog(new JettyTreeLogger(logger)); |
| |
| // DevMode#doStartUpServer() fails from time to time (rarely) due |
| // to an unknown error. Adding some logging to pinpoint the problem. |
| int connectorPort = connector.getLocalPort(); |
| if (connector.getLocalPort() < 0) { |
| branch.log(TreeLogger.ERROR, String.format( |
| "Failed to connect to open channel with port %d (return value %d)", |
| port, connectorPort)); |
| if (connector.getConnection() == null) { |
| branch.log(TreeLogger.TRACE, "Connection is null"); |
| } |
| } |
| return createServletContainer(logger, appRootDir, server, wac, |
| connectorPort); |
| } |
| |
| protected JettyServletContainer createServletContainer(TreeLogger logger, |
| File appRootDir, Server server, WebAppContext wac, int localPort) { |
| return new JettyServletContainer(logger, server, wac, localPort, appRootDir); |
| } |
| |
| protected WebAppContext createWebAppContext(TreeLogger logger, File appRootDir) { |
| return new WebAppContextWithReload(logger, appRootDir.getAbsolutePath(), "/"); |
| } |
| |
| @SuppressWarnings("deprecation") |
| protected AbstractConnector getConnector(TreeLogger logger) { |
| if (useSsl) { |
| TreeLogger sslLogger = logger.branch(TreeLogger.INFO, |
| "Listening for SSL connections"); |
| if (sslLogger.isLoggable(TreeLogger.TRACE)) { |
| sslLogger.log(TreeLogger.TRACE, "Using keystore " + keyStore); |
| } |
| SslSocketConnector conn = new SslSocketConnector(); |
| if (clientAuth != null) { |
| switch (clientAuth) { |
| case NONE: |
| conn.setWantClientAuth(false); |
| conn.setNeedClientAuth(false); |
| break; |
| case WANT: |
| sslLogger.log(TreeLogger.TRACE, "Requesting client certificates"); |
| conn.setWantClientAuth(true); |
| conn.setNeedClientAuth(false); |
| break; |
| case REQUIRE: |
| sslLogger.log(TreeLogger.TRACE, "Requiring client certificates"); |
| conn.setWantClientAuth(true); |
| conn.setNeedClientAuth(true); |
| break; |
| } |
| } |
| conn.setKeystore(keyStore); |
| conn.setTruststore(keyStore); |
| conn.setKeyPassword(keyStorePassword); |
| conn.setTrustPassword(keyStorePassword); |
| return conn; |
| } |
| return new SelectChannelConnector(); |
| } |
| |
| private void checkStartParams(TreeLogger logger, int port, File appRootDir) { |
| if (logger == null) { |
| throw new NullPointerException("logger cannot be null"); |
| } |
| |
| if (port < 0 || port > 65535) { |
| throw new IllegalArgumentException( |
| "port must be either 0 (for auto) or less than 65536"); |
| } |
| |
| if (appRootDir == null) { |
| throw new NullPointerException("app root direcotry cannot be null"); |
| } |
| } |
| |
| /* |
| * TODO: This is a hack to pass the base log level to the SCL. We'll have to |
| * figure out a better way to do this for SCLs in general. |
| */ |
| private TreeLogger.Type getBaseLogLevel() { |
| synchronized (privateInstanceLock) { |
| return this.baseLogLevel; |
| } |
| } |
| |
| /** |
| * This is a modified version of JreMemoryLeakPreventionListener.java found |
| * in the Apache Tomcat project at |
| * |
| * http://svn.apache.org/repos/asf/tomcat/trunk/java/org/apache/catalina/core/ |
| * JreMemoryLeakPreventionListener.java |
| * |
| * Relevant part of the Tomcat NOTICE, retrieved from |
| * http://svn.apache.org/repos/asf/tomcat/trunk/NOTICE Apache Tomcat Copyright |
| * 1999-2010 The Apache Software Foundation |
| * |
| * This product includes software developed by The Apache Software Foundation |
| * (http://www.apache.org/). |
| */ |
| private void jreLeakPrevention(TreeLogger logger) { |
| // Trigger a call to sun.awt.AppContext.getAppContext(). This will |
| // pin the common class loader in memory but that shouldn't be an |
| // issue. |
| ImageIO.getCacheDirectory(); |
| |
| /* |
| * Several components end up calling: sun.misc.GC.requestLatency(long) |
| * |
| * Those libraries / components known to trigger memory leaks due to |
| * eventual calls to requestLatency(long) are: - |
| * javax.management.remote.rmi.RMIConnectorServer.start() |
| */ |
| try { |
| Class<?> clazz = Class.forName("sun.misc.GC"); |
| Method method = clazz.getDeclaredMethod("requestLatency", |
| new Class[]{long.class}); |
| method.invoke(null, Long.valueOf(3600000)); |
| } catch (ClassNotFoundException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); |
| } catch (SecurityException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); |
| } catch (NoSuchMethodException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); |
| } catch (IllegalArgumentException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); |
| } catch (IllegalAccessException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); |
| } catch (InvocationTargetException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.gcDaemonFail", e); |
| } |
| |
| /* |
| * Calling getPolicy retains a static reference to the context class loader. |
| */ |
| try { |
| // Policy.getPolicy(); |
| Class<?> policyClass = Class.forName("javax.security.auth.Policy"); |
| Method method = policyClass.getMethod("getPolicy"); |
| method.invoke(null); |
| } catch (ClassNotFoundException e) { |
| // Ignore. The class is deprecated. |
| } catch (SecurityException e) { |
| // Ignore. Don't need call to getPolicy() to be successful, |
| // just need to trigger static initializer. |
| } catch (NoSuchMethodException e) { |
| logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); |
| } catch (IllegalArgumentException e) { |
| logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); |
| } catch (IllegalAccessException e) { |
| logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); |
| } catch (InvocationTargetException e) { |
| logger.log(TreeLogger.WARN, "jreLeakPrevention.authPolicyFail", e); |
| } |
| |
| /* |
| * Creating a MessageDigest during web application startup initializes the |
| * Java Cryptography Architecture. Under certain conditions this starts a |
| * Token poller thread with TCCL equal to the web application class loader. |
| * |
| * Instead we initialize JCA right now. |
| */ |
| java.security.Security.getProviders(); |
| |
| /* |
| * Several components end up opening JarURLConnections without first |
| * disabling caching. This effectively locks the file. Whilst more |
| * noticeable and harder to ignore on Windows, it affects all operating |
| * systems. |
| * |
| * Those libraries/components known to trigger this issue include: - log4j |
| * versions 1.2.15 and earlier - javax.xml.bind.JAXBContext.newInstance() |
| */ |
| |
| // Set the default URL caching policy to not to cache |
| try { |
| // Doesn't matter that this JAR doesn't exist - just as long as |
| // the URL is well-formed |
| URL url = new URL("jar:file://dummy.jar!/"); |
| URLConnection uConn = url.openConnection(); |
| uConn.setDefaultUseCaches(false); |
| } catch (MalformedURLException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.jarUrlConnCacheFail", e); |
| } catch (IOException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.jarUrlConnCacheFail", e); |
| } |
| |
| /* |
| * Haven't got to the root of what is going on with this leak but if a web |
| * app is the first to make the calls below the web application class loader |
| * will be pinned in memory. |
| */ |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| try { |
| factory.newDocumentBuilder(); |
| } catch (ParserConfigurationException e) { |
| logger.log(TreeLogger.ERROR, "jreLeakPrevention.xmlParseFail", e); |
| } |
| } |
| } |
